Merge branch 'main' into s7evink/docker

2026-01-16 18:43:10 -06:00 · 2022-11-02 13:21:44 +00:00 · 2022-11-02 13:21:44 +00:00 · 0caaeb7d44
parent 4b8f561606 51ab0a8ccf
commit 0caaeb7d44
258 changed files with 7853 additions and 2101 deletions
--- a/.github/ISSUE_TEMPLATE/BUG_REPORT.md
+++ b/.github/ISSUE_TEMPLATE/BUG_REPORT.md
@ -7,24 +7,28 @@ about: Create a report to help us improve
 <!--
 All bug reports must provide the following background information
 Text between <!-- and --> marks will be invisible in the report.
+
+IF YOUR ISSUE IS CONSIDERED A SECURITY VULNERABILITY THEN PLEASE STOP
+AND DO NOT POST IT AS A GITHUB ISSUE! Please report the issue responsibly by
+disclosing in private by email to security@matrix.org instead. For more details, please
+see: https://www.matrix.org/security-disclosure-policy/
 -->

 ### Background information
 <!-- Please include versions of all software when known e.g database versions, docker versions, client versions -->
- **Dendrite version or git SHA**: 
- **Monolith or Polylith?**: 
- **SQLite3 or Postgres?**: 
- **Running in Docker?**: 
+- **Dendrite version or git SHA**:
+- **Monolith or Polylith?**:
+- **SQLite3 or Postgres?**:
+- **Running in Docker?**:
 - **`go version`**:
 - **Client used (if applicable)**:

-
 ### Description

- - **What** is the problem:
- - **Who** is affected:
- - **How** is this bug manifesting:
- - **When** did this first appear:
+- **What** is the problem:
+- **Who** is affected:
+- **How** is this bug manifesting:
+- **When** did this first appear:

 <!--
 Examples of good descriptions:
@ -38,7 +42,6 @@ Examples of good descriptions:
 - How: "Lots of logs about device change updates"
 - When: "After my server joined Matrix HQ"

-
 Examples of bad descriptions:
 - What: "Can't send messages"  - This is bad because it isn't specfic enough. Which endpoint isn't working and what is the response code? Does the message send but encryption fail?
 - Who: "Me" - Who are you? Running the server or a user on a Dendrite server?
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@ -1,8 +1,8 @@
 ### Pull Request Checklist

-<!-- Please read docs/CONTRIBUTING.md before submitting your pull request -->
+<!-- Please read https://matrix-org.github.io/dendrite/development/contributing before submitting your pull request -->

-* [ ] I have added tests for PR _or_ I have justified why this PR doesn't need tests.
-* [ ] Pull request includes a [sign off](https://github.com/matrix-org/dendrite/blob/main/docs/CONTRIBUTING.md#sign-off)
+* [ ] I have added Go unit tests or [Complement integration tests](https://github.com/matrix-org/complement) for this PR _or_ I have justified why this PR doesn't need tests
+* [ ] Pull request includes a [sign off below using a legally identifiable name](https://matrix-org.github.io/dendrite/development/contributing#sign-off) _or_ I have already signed off privately

 Signed-off-by: `Your Name <your@email.example.org>`
--- a/.github/workflows/dendrite.yml
+++ b/.github/workflows/dendrite.yml
@ -109,6 +109,11 @@ jobs:
        uses: actions/setup-go@v3
        with:
          go-version: ${{ matrix.go }}
+      - name: Set up gotestfmt
+        uses: gotesttools/gotestfmt-action@v2
+        with:
+          # Optional: pass GITHUB_TOKEN to avoid rate limiting.
+          token: ${{ secrets.GITHUB_TOKEN }}
      - uses: actions/cache@v3
        with:
          path: |
@ -117,7 +122,7 @@ jobs:
          key: ${{ runner.os }}-go${{ matrix.go }}-test-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go${{ matrix.go }}-test-
-      - run: go test ./...
+      - run: go test -json -v ./... 2>&1 | gotestfmt
        env:
          POSTGRES_HOST: localhost
          POSTGRES_USER: postgres
@ -264,11 +269,18 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - label: SQLite
+          - label: SQLite native

-          - label: SQLite, full HTTP APIs
+          - label: SQLite Cgo
+            cgo: 1
+
+          - label: SQLite native, full HTTP APIs
            api: full-http

+          - label: SQLite Cgo, full HTTP APIs
+            api: full-http
+            cgo: 1
+
          - label: PostgreSQL
            postgres: postgres

@ -283,6 +295,7 @@ jobs:
        POSTGRES: ${{ matrix.postgres && 1}}
        API: ${{ matrix.api && 1 }}
        SYTEST_BRANCH: ${{ github.head_ref }}
+        CGO_ENABLED: ${{ matrix.cgo && 1 }}
    steps:
      - uses: actions/checkout@v3
      - name: Run Sytest
@ -318,11 +331,18 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - label: SQLite
+          - label: SQLite native

-          - label: SQLite, full HTTP APIs
+          - label: SQLite Cgo
+            cgo: 1
+
+          - label: SQLite native, full HTTP APIs
            api: full-http

+          - label: SQLite Cgo, full HTTP APIs
+            api: full-http
+            cgo: 1
+
          - label: PostgreSQL
            postgres: Postgres

@ -342,7 +362,7 @@ jobs:
        # See https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-Readme.md specifically GOROOT_1_17_X64
        run: |
          sudo apt-get update && sudo apt-get install -y libolm3 libolm-dev
-          go get -v github.com/haveyoudebuggedit/gotestfmt/v2/cmd/gotestfmt@latest
+          go get -v github.com/gotesttools/gotestfmt/v2/cmd/gotestfmt@latest

      - name: Run actions/checkout@v3 for dendrite
        uses: actions/checkout@v3
@ -388,6 +408,7 @@ jobs:
        env:
          COMPLEMENT_BASE_IMAGE: complement-dendrite:latest
          API: ${{ matrix.api && 1 }}
+          CGO_ENABLED: ${{ matrix.cgo && 1 }}
        working-directory: complement

  integration-tests-done:
--- a/.github/workflows/schedules.yaml
+++ b/.github/workflows/schedules.yaml
@ -0,0 +1,128 @@
+name: Scheduled
+
+on:
+  schedule:
+    - cron: '0 0 * * *'  # every day at midnight
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # run go test with different go versions
+  test:
+    timeout-minutes: 20
+    name: Unit tests (Go ${{ matrix.go }})
+    runs-on: ubuntu-latest
+    # Service containers to run with `container-job`
+    services:
+      # Label used to access the service container
+      postgres:
+        # Docker Hub image
+        image: postgres:13-alpine
+        # Provide the password for postgres
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: dendrite
+        ports:
+          # Maps tcp port 5432 on service container to the host
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+    strategy:
+      fail-fast: false
+      matrix:
+        go: ["1.18", "1.19"]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go${{ matrix.go }}-test-race-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go${{ matrix.go }}-test-race-
+      - run: go test -race ./...
+        env:
+          POSTGRES_HOST: localhost
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: dendrite
+
+  # Dummy step to gate other tests on without repeating the whole list
+  initial-tests-done:
+    name: Initial tests passed
+    needs: [test]
+    runs-on: ubuntu-latest
+    if: ${{ !cancelled() }} # Run this even if prior jobs were skipped
+    steps:
+      - name: Check initial tests passed
+        uses: re-actors/alls-green@release/v1
+        with:
+          jobs: ${{ toJSON(needs) }}
+
+  # run Sytest in different variations
+  sytest:
+    timeout-minutes: 60
+    needs: initial-tests-done
+    name: "Sytest (${{ matrix.label }})"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - label: SQLite
+
+          - label: SQLite, full HTTP APIs
+            api: full-http
+
+          - label: PostgreSQL
+            postgres: postgres
+
+          - label: PostgreSQL, full HTTP APIs
+            postgres: postgres
+            api: full-http
+    container:
+      image: matrixdotorg/sytest-dendrite:latest
+      volumes:
+        - ${{ github.workspace }}:/src
+      env:
+        POSTGRES: ${{ matrix.postgres && 1}}
+        API: ${{ matrix.api && 1 }}
+        SYTEST_BRANCH: ${{ github.head_ref }}
+        RACE_DETECTION: 1
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run Sytest
+        run: /bootstrap.sh dendrite
+        working-directory: /src
+      - name: Summarise results.tap
+        if: ${{ always() }}
+        run: /sytest/scripts/tap_to_gha.pl /logs/results.tap
+      - name: Sytest List Maintenance
+        if: ${{ always() }}
+        run: /src/show-expected-fail-tests.sh /logs/results.tap /src/sytest-whitelist /src/sytest-blacklist
+        continue-on-error: true # not fatal
+      - name: Are We Synapse Yet?
+        if: ${{ always() }}
+        run: /src/are-we-synapse-yet.py /logs/results.tap -v
+        continue-on-error: true # not fatal
+      - name: Upload Sytest logs
+        uses: actions/upload-artifact@v2
+        if: ${{ always() }}
+        with:
+          name: Sytest Logs - ${{ job.status }} - (Dendrite, ${{ join(matrix.*, ', ') }})
+          path: |
+            /logs/results.tap
+            /logs/**/*.log*
--- a/CHANGES.md
+++ b/CHANGES.md
@ -1,5 +1,96 @@
 # Changelog

+## Dendrite 0.10.6 (2022-11-01)
+
+### Features
+
+* History visibility checks have been optimised, which should speed up response times on a variety of endpoints (including `/sync`, `/messages`, `/context` and others) and reduce database load
+* The built-in NATS Server has been updated to version 2.9.4
+* Some other minor dependencies have been updated
+
+### Fixes
+
+* A panic has been fixed in the sync API PDU stream which could cause requests to fail
+* The `/members` response now contains the `room_id` field, which may fix some E2EE problems with clients using the JS SDK (contributed by [ashkitten](https://github.com/ashkitten))
+* The auth difference calculation in state resolution v2 has been tweaked for clarity (and moved into gomatrixserverlib with the rest of the state resolution code)
+
+## Dendrite 0.10.5 (2022-10-31)
+
+### Features
+
+* It is now possible to use hCaptcha instead of reCAPTCHA for protecting registration
+* A new `auto_join_rooms` configuration option has been added for automatically joining new users to a set of rooms
+* A new `/_dendrite/admin/downloadState/{serverName}/{roomID}` endpoint has been added, which allows a server administrator to attempt to repair a room with broken room state by downloading a state snapshot from another federated server in the room
+
+### Fixes
+
+* Querying cross-signing keys for users should now be considerably faster
+* A bug in state resolution where some events were not correctly selected for third-party invites has been fixed
+* A bug in state resolution which could result in `not in room` event rejections has been fixed
+* When accepting a DM invite, it should now be possible to see messages that were sent before the invite was accepted
+* Claiming remote E2EE one-time keys has been refactored and should be more reliable now
+* Various fixes have been made to the `/members` endpoint, which may help with E2EE reliability and clients rendering memberships
+* A race condition in the federation API destination queues has been fixed when associating queued events with remote server destinations
+* A bug in the sync API where too many events were selected resulting in high CPU usage has been fixed
+* Configuring the avatar URL for the Server Notices user should work correctly now
+
+## Dendrite 0.10.4 (2022-10-21)
+
+### Features
+
+* Various tables belonging to the user API will be renamed so that they are namespaced with the `userapi_` prefix
+  * Note that, after upgrading to this version, you should not revert to an older version of Dendrite as the database changes **will not** be reverted automatically
+* The backoff and retry behaviour in the federation API has been refactored and improved
+
+### Fixes
+
+* Private read receipt support is now advertised in the client `/versions` endpoint
+* Private read receipts will now clear notification counts properly
+* A bug where a false `leave` membership transition was inserted into the timeline after accepting an invite has been fixed
+* Some panics caused by concurrent map writes in the key server have been fixed
+* The sync API now calculates membership transitions from state deltas more accurately
+* Transaction IDs are now scoped to endpoints, which should fix some bugs where transaction ID reuse could cause nonsensical cached responses from some endpoints
+* The length of the `type`, `sender`, `state_key` and `room_id` fields in events are now verified by number of bytes rather than codepoints after a spec clarification, reverting a change made in Dendrite 0.9.6
+
+## Dendrite 0.10.3 (2022-10-14)
+
+### Features
+
+* Event relations are now tracked and support for the `/room/{roomID}/relations/...` client API endpoints have been added
+* Support has been added for private read receipts
+* The built-in NATS Server has been updated to version 2.9.3
+
+### Fixes
+
+* The `unread_notifications` are now always populated in joined room responses
+* The `/get_missing_events` federation API endpoint should now work correctly for rooms with `joined` and `invited` visibility settings, returning redacted events for events that other servers are not allowed to see
+* The `/event` client API endpoint now applies history visibility correctly
+* Read markers should now be updated much more reliably
+* A rare bug in the sync API which could cause some `join` memberships to be incorrectly overwritten by other memberships when working out which rooms to populate has been fixed
+* The federation API now correctly updates the joined hosts table during a state rewrite
+
+## Dendrite 0.10.2 (2022-10-07)
+
+### Features
+
+* Dendrite will now fail to start if there is an obvious problem with the configured `max_open_conns` when using PostgreSQL database backends, since this can lead to instability and performance issues
+  * More information on this is available [in the documentation](https://matrix-org.github.io/dendrite/installation/start/optimisation#postgresql-connection-limit)
+* Unnecessary/empty fields will no longer be sent in `/sync` responses
+* It is now possible to configure `old_private_keys` from previous Matrix installations on the same domain if only public key is known, to make it easier to expire old keys correctly
+  * You can configure either just the `private_key` path, or you can supply both the `public_key` and `key_id`
+
+### Fixes
+
+* The sync transaction behaviour has been modified further so that errors in one stream should not propagate to other streams unnecessarily
+* Rooms should now be classified as DM rooms correctly by passing through `is_direct` and unsigned hints
+* A bug which caused marking device lists as stale to consume lots of CPU has been fixed
+* Users accepting invites should no longer cause unnecessary federated joins if there are already other local users in the room
+* The sync API state range queries have been optimised by adding missing indexes
+* It should now be possible to configure non-English languages for full-text search in `search.language`
+* The roomserver will no longer attempt to perform federated requests to the local server when trying to fetch missing events
+* The `/keys/upload` endpoint will now always return the `one_time_keys_counts`, which may help with E2EE reliability
+* The sync API will now retrieve the latest stream position before processing each stream rather than at the beginning of the request, to hopefully reduce the number of round-trips to `/sync`
+
 ## Dendrite 0.10.1 (2022-09-30)

 ### Features
--- a/README.md
+++ b/README.md
@ -79,7 +79,7 @@ $ ./bin/dendrite-monolith-server --tls-cert server.crt --tls-key server.key --co

 # Create an user account (add -admin for an admin user).
 # Specify the localpart only, e.g. 'alice' for '@alice:domain.com'
-$ ./bin/create-account --config dendrite.yaml --url http://localhost:8008 --username alice
+$ ./bin/create-account --config dendrite.yaml --username alice
 ```

 Then point your favourite Matrix client at `http://localhost:8008` or `https://localhost:8448`.
@ -90,7 +90,7 @@ We use a script called Are We Synapse Yet which checks Sytest compliance rates.
 test rig with around 900 tests. The script works out how many of these tests are passing on Dendrite and it
 updates with CI. As of August 2022 we're at around 90% CS API coverage and 95% Federation coverage, though check
 CI for the latest numbers. In practice, this means you can communicate locally and via federation with Synapse
-servers such as matrix.org reasonably well, although there are still some missing features (like Search).
+servers such as matrix.org reasonably well, although there are still some missing features (like SSO and Third-party ID APIs).

 We are prioritising features that will benefit single-user homeservers first (e.g Receipts, E2E) rather
 than features that massive deployments may be interested in (OpenID, Guests, Admin APIs, AS API).
@ -112,6 +112,7 @@ This means Dendrite supports amongst others:
 - Guests
 - User Directory
 - Presence
+- Fulltext search

 ## Contributing

--- a/appservice/api/query.go
+++ b/appservice/api/query.go
@ -19,11 +19,13 @@ package api

 import (
 	"context"
+	"encoding/json"
 	"errors"

+	"github.com/matrix-org/gomatrixserverlib"
+
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/gomatrixserverlib"
 )

 // AppServiceInternalAPI is used to query user and room alias data from application
@ -41,6 +43,10 @@ type AppServiceInternalAPI interface {
 		req *UserIDExistsRequest,
 		resp *UserIDExistsResponse,
 	) error
+
+	Locations(ctx context.Context, req *LocationRequest, resp *LocationResponse) error
+	User(ctx context.Context, request *UserRequest, response *UserResponse) error
+	Protocols(ctx context.Context, req *ProtocolRequest, resp *ProtocolResponse) error
 }

 // RoomAliasExistsRequest is a request to an application service
@ -77,6 +83,73 @@ type UserIDExistsResponse struct {
 	UserIDExists bool `json:"exists"`
 }

+const (
+	ASProtocolPath = "/_matrix/app/unstable/thirdparty/protocol/"
+	ASUserPath     = "/_matrix/app/unstable/thirdparty/user"
+	ASLocationPath = "/_matrix/app/unstable/thirdparty/location"
+)
+
+type ProtocolRequest struct {
+	Protocol string `json:"protocol,omitempty"`
+}
+
+type ProtocolResponse struct {
+	Protocols map[string]ASProtocolResponse `json:"protocols"`
+	Exists    bool                          `json:"exists"`
+}
+
+type ASProtocolResponse struct {
+	FieldTypes     map[string]FieldType `json:"field_types,omitempty"` // NOTSPEC: field_types is required by the spec
+	Icon           string               `json:"icon"`
+	Instances      []ProtocolInstance   `json:"instances"`
+	LocationFields []string             `json:"location_fields"`
+	UserFields     []string             `json:"user_fields"`
+}
+
+type FieldType struct {
+	Placeholder string `json:"placeholder"`
+	Regexp      string `json:"regexp"`
+}
+
+type ProtocolInstance struct {
+	Description string          `json:"desc"`
+	Icon        string          `json:"icon,omitempty"`
+	NetworkID   string          `json:"network_id,omitempty"` // NOTSPEC: network_id is required by the spec
+	Fields      json.RawMessage `json:"fields,omitempty"`     // NOTSPEC: fields is required by the spec
+}
+
+type UserRequest struct {
+	Protocol string `json:"protocol"`
+	Params   string `json:"params"`
+}
+
+type UserResponse struct {
+	Users  []ASUserResponse `json:"users,omitempty"`
+	Exists bool             `json:"exists,omitempty"`
+}
+
+type ASUserResponse struct {
+	Protocol string          `json:"protocol"`
+	UserID   string          `json:"userid"`
+	Fields   json.RawMessage `json:"fields"`
+}
+
+type LocationRequest struct {
+	Protocol string `json:"protocol"`
+	Params   string `json:"params"`
+}
+
+type LocationResponse struct {
+	Locations []ASLocationResponse `json:"locations,omitempty"`
+	Exists    bool                 `json:"exists,omitempty"`
+}
+
+type ASLocationResponse struct {
+	Alias    string          `json:"alias"`
+	Protocol string          `json:"protocol"`
+	Fields   json.RawMessage `json:"fields"`
+}
+
 // RetrieveUserProfile is a wrapper that queries both the local database and
 // application services for a given user's profile
 // TODO: Remove this, it's called from federationapi and clientapi but is a pure function
--- a/appservice/appservice.go
+++ b/appservice/appservice.go
@ -18,6 +18,7 @@ import (
 	"context"
 	"crypto/tls"
 	"net/http"
+	"sync"
 	"time"

 	"github.com/gorilla/mux"
@ -58,8 +59,10 @@ func NewInternalAPI(
 	// Create appserivce query API with an HTTP client that will be used for all
 	// outbound and inbound requests (inbound only for the internal API)
 	appserviceQueryAPI := &query.AppServiceQueryAPI{
-		HTTPClient: client,
-		Cfg:        &base.Cfg.AppServiceAPI,
+		HTTPClient:    client,
+		Cfg:           &base.Cfg.AppServiceAPI,
+		ProtocolCache: map[string]appserviceAPI.ASProtocolResponse{},
+		CacheMu:       sync.Mutex{},
 	}

 	if len(base.Cfg.Derived.ApplicationServices) == 0 {
--- a/appservice/consumers/roomserver.go
+++ b/appservice/consumers/roomserver.go
@ -101,6 +101,11 @@ func (s *OutputRoomEventConsumer) onMessage(
 	log.WithField("appservice", state.ID).Tracef("Appservice worker received %d message(s) from roomserver", len(msgs))
 	events := make([]*gomatrixserverlib.HeaderedEvent, 0, len(msgs))
 	for _, msg := range msgs {
+		// Only handle events we care about
+		receivedType := api.OutputType(msg.Header.Get(jetstream.RoomEventType))
+		if receivedType != api.OutputTypeNewRoomEvent && receivedType != api.OutputTypeNewInviteEvent {
+			continue
+		}
 		// Parse out the event JSON
 		var output api.OutputEvent
 		if err := json.Unmarshal(msg.Data, &output); err != nil {
--- a/appservice/inthttp/client.go
+++ b/appservice/inthttp/client.go
@ -13,6 +13,9 @@ import (
 const (
 	AppServiceRoomAliasExistsPath = "/appservice/RoomAliasExists"
 	AppServiceUserIDExistsPath    = "/appservice/UserIDExists"
+	AppServiceLocationsPath       = "/appservice/locations"
+	AppServiceUserPath            = "/appservice/users"
+	AppServiceProtocolsPath       = "/appservice/protocols"
 )

 // httpAppServiceQueryAPI contains the URL to an appservice query API and a
@ -58,3 +61,24 @@ func (h *httpAppServiceQueryAPI) UserIDExists(
 		h.httpClient, ctx, request, response,
 	)
 }
+
+func (h *httpAppServiceQueryAPI) Locations(ctx context.Context, request *api.LocationRequest, response *api.LocationResponse) error {
+	return httputil.CallInternalRPCAPI(
+		"ASLocation", h.appserviceURL+AppServiceLocationsPath,
+		h.httpClient, ctx, request, response,
+	)
+}
+
+func (h *httpAppServiceQueryAPI) User(ctx context.Context, request *api.UserRequest, response *api.UserResponse) error {
+	return httputil.CallInternalRPCAPI(
+		"ASUser", h.appserviceURL+AppServiceUserPath,
+		h.httpClient, ctx, request, response,
+	)
+}
+
+func (h *httpAppServiceQueryAPI) Protocols(ctx context.Context, request *api.ProtocolRequest, response *api.ProtocolResponse) error {
+	return httputil.CallInternalRPCAPI(
+		"ASProtocols", h.appserviceURL+AppServiceProtocolsPath,
+		h.httpClient, ctx, request, response,
+	)
+}
--- a/appservice/inthttp/server.go
+++ b/appservice/inthttp/server.go
@ -2,6 +2,7 @@ package inthttp

 import (
 	"github.com/gorilla/mux"
+
 	"github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/internal/httputil"
 )
@ -17,4 +18,19 @@ func AddRoutes(a api.AppServiceInternalAPI, internalAPIMux *mux.Router) {
 		AppServiceUserIDExistsPath,
 		httputil.MakeInternalRPCAPI("AppserviceUserIDExists", a.UserIDExists),
 	)
+
+	internalAPIMux.Handle(
+		AppServiceProtocolsPath,
+		httputil.MakeInternalRPCAPI("AppserviceProtocols", a.Protocols),
+	)
+
+	internalAPIMux.Handle(
+		AppServiceLocationsPath,
+		httputil.MakeInternalRPCAPI("AppserviceLocations", a.Locations),
+	)
+
+	internalAPIMux.Handle(
+		AppServiceUserPath,
+		httputil.MakeInternalRPCAPI("AppserviceUser", a.User),
+	)
 }
--- a/appservice/query/query.go
+++ b/appservice/query/query.go
@ -18,13 +18,18 @@ package query

 import (
 	"context"
+	"encoding/json"
+	"io"
 	"net/http"
 	"net/url"
+	"strings"
+	"sync"
+
+	"github.com/opentracing/opentracing-go"
+	log "github.com/sirupsen/logrus"

 	"github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/setup/config"
-	opentracing "github.com/opentracing/opentracing-go"
-	log "github.com/sirupsen/logrus"
 )

 const roomAliasExistsPath = "/rooms/"
@ -32,8 +37,10 @@ const userIDExistsPath = "/users/"

 // AppServiceQueryAPI is an implementation of api.AppServiceQueryAPI
 type AppServiceQueryAPI struct {
-	HTTPClient *http.Client
-	Cfg        *config.AppServiceAPI
+	HTTPClient    *http.Client
+	Cfg           *config.AppServiceAPI
+	ProtocolCache map[string]api.ASProtocolResponse
+	CacheMu       sync.Mutex
 }

 // RoomAliasExists performs a request to '/room/{roomAlias}' on all known
@ -165,3 +172,178 @@ func (a *AppServiceQueryAPI) UserIDExists(
 	response.UserIDExists = false
 	return nil
 }
+
+type thirdpartyResponses interface {
+	api.ASProtocolResponse | []api.ASUserResponse | []api.ASLocationResponse
+}
+
+func requestDo[T thirdpartyResponses](client *http.Client, url string, response *T) (err error) {
+	origURL := url
+	// try v1 and unstable appservice endpoints
+	for _, version := range []string{"v1", "unstable"} {
+		var resp *http.Response
+		var body []byte
+		asURL := strings.Replace(origURL, "unstable", version, 1)
+		resp, err = client.Get(asURL)
+		if err != nil {
+			continue
+		}
+		defer resp.Body.Close() // nolint: errcheck
+		body, err = io.ReadAll(resp.Body)
+		if err != nil {
+			continue
+		}
+		return json.Unmarshal(body, &response)
+	}
+	return err
+}
+
+func (a *AppServiceQueryAPI) Locations(
+	ctx context.Context,
+	req *api.LocationRequest,
+	resp *api.LocationResponse,
+) error {
+	params, err := url.ParseQuery(req.Params)
+	if err != nil {
+		return err
+	}
+
+	for _, as := range a.Cfg.Derived.ApplicationServices {
+		var asLocations []api.ASLocationResponse
+		params.Set("access_token", as.HSToken)
+
+		url := as.URL + api.ASLocationPath
+		if req.Protocol != "" {
+			url += "/" + req.Protocol
+		}
+
+		if err := requestDo[[]api.ASLocationResponse](a.HTTPClient, url+"?"+params.Encode(), &asLocations); err != nil {
+			log.WithError(err).Error("unable to get 'locations' from application service")
+			continue
+		}
+
+		resp.Locations = append(resp.Locations, asLocations...)
+	}
+
+	if len(resp.Locations) == 0 {
+		resp.Exists = false
+		return nil
+	}
+	resp.Exists = true
+	return nil
+}
+
+func (a *AppServiceQueryAPI) User(
+	ctx context.Context,
+	req *api.UserRequest,
+	resp *api.UserResponse,
+) error {
+	params, err := url.ParseQuery(req.Params)
+	if err != nil {
+		return err
+	}
+
+	for _, as := range a.Cfg.Derived.ApplicationServices {
+		var asUsers []api.ASUserResponse
+		params.Set("access_token", as.HSToken)
+
+		url := as.URL + api.ASUserPath
+		if req.Protocol != "" {
+			url += "/" + req.Protocol
+		}
+
+		if err := requestDo[[]api.ASUserResponse](a.HTTPClient, url+"?"+params.Encode(), &asUsers); err != nil {
+			log.WithError(err).Error("unable to get 'user' from application service")
+			continue
+		}
+
+		resp.Users = append(resp.Users, asUsers...)
+	}
+
+	if len(resp.Users) == 0 {
+		resp.Exists = false
+		return nil
+	}
+	resp.Exists = true
+	return nil
+}
+
+func (a *AppServiceQueryAPI) Protocols(
+	ctx context.Context,
+	req *api.ProtocolRequest,
+	resp *api.ProtocolResponse,
+) error {
+
+	// get a single protocol response
+	if req.Protocol != "" {
+
+		a.CacheMu.Lock()
+		defer a.CacheMu.Unlock()
+		if proto, ok := a.ProtocolCache[req.Protocol]; ok {
+			resp.Exists = true
+			resp.Protocols = map[string]api.ASProtocolResponse{
+				req.Protocol: proto,
+			}
+			return nil
+		}
+
+		response := api.ASProtocolResponse{}
+		for _, as := range a.Cfg.Derived.ApplicationServices {
+			var proto api.ASProtocolResponse
+			if err := requestDo[api.ASProtocolResponse](a.HTTPClient, as.URL+api.ASProtocolPath+req.Protocol, &proto); err != nil {
+				log.WithError(err).Error("unable to get 'protocol' from application service")
+				continue
+			}
+
+			if len(response.Instances) != 0 {
+				response.Instances = append(response.Instances, proto.Instances...)
+			} else {
+				response = proto
+			}
+		}
+
+		if len(response.Instances) == 0 {
+			resp.Exists = false
+			return nil
+		}
+
+		resp.Exists = true
+		resp.Protocols = map[string]api.ASProtocolResponse{
+			req.Protocol: response,
+		}
+		a.ProtocolCache[req.Protocol] = response
+		return nil
+	}
+
+	response := make(map[string]api.ASProtocolResponse, len(a.Cfg.Derived.ApplicationServices))
+
+	for _, as := range a.Cfg.Derived.ApplicationServices {
+		for _, p := range as.Protocols {
+			var proto api.ASProtocolResponse
+			if err := requestDo[api.ASProtocolResponse](a.HTTPClient, as.URL+api.ASProtocolPath+p, &proto); err != nil {
+				log.WithError(err).Error("unable to get 'protocol' from application service")
+				continue
+			}
+			existing, ok := response[p]
+			if !ok {
+				response[p] = proto
+				continue
+			}
+			existing.Instances = append(existing.Instances, proto.Instances...)
+			response[p] = existing
+		}
+	}
+
+	if len(response) == 0 {
+		resp.Exists = false
+		return nil
+	}
+
+	a.CacheMu.Lock()
+	defer a.CacheMu.Unlock()
+	a.ProtocolCache = response
+
+	resp.Exists = true
+	resp.Protocols = response
+	return nil
+}
--- a/are-we-synapse-yet.list
+++ b/are-we-synapse-yet.list
@ -643,7 +643,7 @@ fed Inbound federation redacts events from erased users
 fme Outbound federation can request missing events 
 fme Inbound federation can return missing events for world_readable visibility 
 fme Inbound federation can return missing events for shared visibility 
-fme Inbound federation can return missing events for invite visibility 
+fme Inbound federation can return missing events for invited visibility
 fme Inbound federation can return missing events for joined visibility 
 fme outliers whose auth_events are in a different room are correctly rejected 
 fbk Outbound federation can backfill events 
--- a/build/docker/Dockerfile.demo-yggdrasil
+++ b/build/docker/Dockerfile.demo-yggdrasil
@ -0,0 +1,25 @@
+FROM docker.io/golang:1.19-alpine AS base
+
+RUN apk --update --no-cache add bash build-base
+
+WORKDIR /build
+
+COPY . /build
+
+RUN mkdir -p bin
+RUN go build -trimpath -o bin/ ./cmd/dendrite-demo-yggdrasil
+RUN go build -trimpath -o bin/ ./cmd/create-account
+RUN go build -trimpath -o bin/ ./cmd/generate-keys
+
+FROM alpine:latest
+LABEL org.opencontainers.image.title="Dendrite (Yggdrasil demo)"
+LABEL org.opencontainers.image.description="Next-generation Matrix homeserver written in Go"
+LABEL org.opencontainers.image.source="https://github.com/matrix-org/dendrite"
+LABEL org.opencontainers.image.licenses="Apache-2.0"
+
+COPY --from=base /build/bin/* /usr/bin/
+
+VOLUME /etc/dendrite
+WORKDIR /etc/dendrite
+
+ENTRYPOINT ["/usr/bin/dendrite-demo-yggdrasil"]
--- a/build/gobind-pinecone/monolith.go
+++ b/build/gobind-pinecone/monolith.go
@ -101,18 +101,46 @@ func (m *DendriteMonolith) SessionCount() int {
 	return len(m.PineconeQUIC.Protocol("matrix").Sessions())
 }

-func (m *DendriteMonolith) RegisterNetworkInterface(name string, index int, mtu int, up bool, broadcast bool, loopback bool, pointToPoint bool, multicast bool, addrs string) {
-	m.PineconeMulticast.RegisterInterface(pineconeMulticast.InterfaceInfo{
-		Name:         name,
-		Index:        index,
-		Mtu:          mtu,
-		Up:           up,
-		Broadcast:    broadcast,
-		Loopback:     loopback,
-		PointToPoint: pointToPoint,
-		Multicast:    multicast,
-		Addrs:        addrs,
-	})
+type InterfaceInfo struct {
+	Name         string
+	Index        int
+	Mtu          int
+	Up           bool
+	Broadcast    bool
+	Loopback     bool
+	PointToPoint bool
+	Multicast    bool
+	Addrs        string
+}
+
+type InterfaceRetriever interface {
+	CacheCurrentInterfaces() int
+	GetCachedInterface(index int) *InterfaceInfo
+}
+
+func (m *DendriteMonolith) RegisterNetworkCallback(intfCallback InterfaceRetriever) {
+	callback := func() []pineconeMulticast.InterfaceInfo {
+		count := intfCallback.CacheCurrentInterfaces()
+		intfs := []pineconeMulticast.InterfaceInfo{}
+		for i := 0; i < count; i++ {
+			iface := intfCallback.GetCachedInterface(i)
+			if iface != nil {
+				intfs = append(intfs, pineconeMulticast.InterfaceInfo{
+					Name:         iface.Name,
+					Index:        iface.Index,
+					Mtu:          iface.Mtu,
+					Up:           iface.Up,
+					Broadcast:    iface.Broadcast,
+					Loopback:     iface.Loopback,
+					PointToPoint: iface.PointToPoint,
+					Multicast:    iface.Multicast,
+					Addrs:        iface.Addrs,
+				})
+			}
+		}
+		return intfs
+	}
+	m.PineconeMulticast.RegisterNetworkCallback(callback)
 }

 func (m *DendriteMonolith) SetMulticastEnabled(enabled bool) {
--- a/clientapi/auth/password.go
+++ b/clientapi/auth/password.go
@ -68,7 +68,13 @@ func (t *LoginTypePassword) Login(ctx context.Context, req interface{}) (*Login,
 			JSON: jsonerror.BadJSON("A username must be supplied."),
 		}
 	}
-	localpart, err := userutil.ParseUsernameParam(username, &t.Config.Matrix.ServerName)
+	if len(r.Password) == 0 {
+		return nil, &util.JSONResponse{
+			Code: http.StatusUnauthorized,
+			JSON: jsonerror.BadJSON("A password must be supplied."),
+		}
+	}
+	localpart, _, err := userutil.ParseUsernameParam(username, t.Config.Matrix)
 	if err != nil {
 		return nil, &util.JSONResponse{
 			Code: http.StatusUnauthorized,
--- a/clientapi/routing/account_data.go
+++ b/clientapi/routing/account_data.go
@ -154,33 +154,31 @@ func SaveReadMarker(
 		return *resErr
 	}

-	if r.FullyRead == "" {
-		return util.JSONResponse{
-			Code: http.StatusBadRequest,
-			JSON: jsonerror.BadJSON("Missing m.fully_read mandatory field"),
+	if r.FullyRead != "" {
+		data, err := json.Marshal(fullyReadEvent{EventID: r.FullyRead})
+		if err != nil {
+			return jsonerror.InternalServerError()
+		}
+
+		dataReq := api.InputAccountDataRequest{
+			UserID:      device.UserID,
+			DataType:    "m.fully_read",
+			RoomID:      roomID,
+			AccountData: data,
+		}
+		dataRes := api.InputAccountDataResponse{}
+		if err := userAPI.InputAccountData(req.Context(), &dataReq, &dataRes); err != nil {
+			util.GetLogger(req.Context()).WithError(err).Error("userAPI.InputAccountData failed")
+			return util.ErrorResponse(err)
 		}
 	}

-	data, err := json.Marshal(fullyReadEvent{EventID: r.FullyRead})
-	if err != nil {
-		return jsonerror.InternalServerError()
-	}
-
-	dataReq := api.InputAccountDataRequest{
-		UserID:      device.UserID,
-		DataType:    "m.fully_read",
-		RoomID:      roomID,
-		AccountData: data,
-	}
-	dataRes := api.InputAccountDataResponse{}
-	if err := userAPI.InputAccountData(req.Context(), &dataReq, &dataRes); err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("userAPI.InputAccountData failed")
-		return util.ErrorResponse(err)
-	}
-
-	// Handle the read receipt that may be included in the read marker
+	// Handle the read receipts that may be included in the read marker.
 	if r.Read != "" {
-		return SetReceipt(req, syncProducer, device, roomID, "m.read", r.Read)
+		return SetReceipt(req, userAPI, syncProducer, device, roomID, "m.read", r.Read)
+	}
+	if r.ReadPrivate != "" {
+		return SetReceipt(req, userAPI, syncProducer, device, roomID, "m.read.private", r.ReadPrivate)
 	}

 	return util.JSONResponse{
--- a/clientapi/routing/admin.go
+++ b/clientapi/routing/admin.go
@ -70,7 +70,7 @@ func AdminEvacuateUser(req *http.Request, cfg *config.ClientAPI, device *userapi
 	if err != nil {
 		return util.MessageResponse(http.StatusBadRequest, err.Error())
 	}
-	if domain != cfg.Matrix.ServerName {
+	if !cfg.Matrix.IsLocalServerName(domain) {
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
 			JSON: jsonerror.MissingArgument("User ID must belong to this server."),
@ -169,7 +169,7 @@ func AdminMarkAsStale(req *http.Request, cfg *config.ClientAPI, keyAPI api.Clien
 	if err != nil {
 		return util.MessageResponse(http.StatusBadRequest, err.Error())
 	}
-	if domain == cfg.Matrix.ServerName {
+	if cfg.Matrix.IsLocalServerName(domain) {
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
 			JSON: jsonerror.InvalidParam("Can not mark local device list as stale"),
@ -191,3 +191,43 @@ func AdminMarkAsStale(req *http.Request, cfg *config.ClientAPI, keyAPI api.Clien
 		JSON: struct{}{},
 	}
 }
+
+func AdminDownloadState(req *http.Request, cfg *config.ClientAPI, device *userapi.Device, rsAPI roomserverAPI.ClientRoomserverAPI) util.JSONResponse {
+	vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+	if err != nil {
+		return util.ErrorResponse(err)
+	}
+	roomID, ok := vars["roomID"]
+	if !ok {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.MissingArgument("Expecting room ID."),
+		}
+	}
+	serverName, ok := vars["serverName"]
+	if !ok {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.MissingArgument("Expecting remote server name."),
+		}
+	}
+	res := &roomserverAPI.PerformAdminDownloadStateResponse{}
+	if err := rsAPI.PerformAdminDownloadState(
+		req.Context(),
+		&roomserverAPI.PerformAdminDownloadStateRequest{
+			UserID:     device.UserID,
+			RoomID:     roomID,
+			ServerName: gomatrixserverlib.ServerName(serverName),
+		},
+		res,
+	); err != nil {
+		return jsonerror.InternalAPIError(req.Context(), err)
+	}
+	if err := res.Error; err != nil {
+		return err.JSONResponse()
+	}
+	return util.JSONResponse{
+		Code: 200,
+		JSON: map[string]interface{}{},
+	}
+}
--- a/clientapi/routing/auth_fallback.go
+++ b/clientapi/routing/auth_fallback.go
@ -31,8 +31,7 @@ const recaptchaTemplate = `
 <title>Authentication</title>
 <meta name='viewport' content='width=device-width, initial-scale=1,
    user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
-<script src="https://www.google.com/recaptcha/api.js"
-    async defer></script>
+<script src="{{.apiJsUrl}}" async defer></script>
 <script src="//code.jquery.com/jquery-1.11.2.min.js"></script>
 <script>
 function captchaDone() {
@ -51,8 +50,8 @@ function captchaDone() {
        Please verify that you're not a robot.
        </p>
 		<input type="hidden" name="session" value="{{.session}}" />
-        <div class="g-recaptcha"
-            data-sitekey="{{.siteKey}}"
+        <div class="{{.sitekeyClass}}"
+            data-sitekey="{{.sitekey}}"
            data-callback="captchaDone">
        </div>
        <noscript>
@ -114,9 +113,12 @@ func AuthFallback(

 	serveRecaptcha := func() {
 		data := map[string]string{
-			"myUrl":   req.URL.String(),
-			"session": sessionID,
-			"siteKey": cfg.RecaptchaPublicKey,
+			"myUrl":        req.URL.String(),
+			"session":      sessionID,
+			"apiJsUrl":     cfg.RecaptchaApiJsUrl,
+			"sitekey":      cfg.RecaptchaPublicKey,
+			"sitekeyClass": cfg.RecaptchaSitekeyClass,
+			"formField":    cfg.RecaptchaFormField,
 		}
 		serveTemplate(w, recaptchaTemplate, data)
 	}
@ -155,7 +157,7 @@ func AuthFallback(
 				return &res
 			}

-			response := req.Form.Get("g-recaptcha-response")
+			response := req.Form.Get(cfg.RecaptchaFormField)
 			if err := validateRecaptcha(cfg, response, clientIP); err != nil {
 				util.GetLogger(req.Context()).Error(err)
 				return err
--- a/clientapi/routing/createroom.go
+++ b/clientapi/routing/createroom.go
@ -169,9 +169,21 @@ func createRoom(
 	asAPI appserviceAPI.AppServiceInternalAPI,
 	evTime time.Time,
 ) util.JSONResponse {
+	_, userDomain, err := gomatrixserverlib.SplitID('@', device.UserID)
+	if err != nil {
+		util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError()
+	}
+	if !cfg.Matrix.IsLocalServerName(userDomain) {
+		return util.JSONResponse{
+			Code: http.StatusForbidden,
+			JSON: jsonerror.Forbidden(fmt.Sprintf("User domain %q not configured locally", userDomain)),
+		}
+	}
+
 	// TODO (#267): Check room ID doesn't clash with an existing one, and we
 	//              probably shouldn't be using pseudo-random strings, maybe GUIDs?
-	roomID := fmt.Sprintf("!%s:%s", util.RandomString(16), cfg.Matrix.ServerName)
+	roomID := fmt.Sprintf("!%s:%s", util.RandomString(16), userDomain)

 	logger := util.GetLogger(ctx)
 	userID := device.UserID
@ -314,7 +326,7 @@ func createRoom(

 	var roomAlias string
 	if r.RoomAliasName != "" {
-		roomAlias = fmt.Sprintf("#%s:%s", r.RoomAliasName, cfg.Matrix.ServerName)
+		roomAlias = fmt.Sprintf("#%s:%s", r.RoomAliasName, userDomain)
 		// check it's free TODO: This races but is better than nothing
 		hasAliasReq := roomserverAPI.GetRoomIDForAliasRequest{
 			Alias:              roomAlias,
@ -436,7 +448,7 @@ func createRoom(
 			builder.PrevEvents = []gomatrixserverlib.EventReference{builtEvents[i-1].EventReference()}
 		}
 		var ev *gomatrixserverlib.Event
-		ev, err = buildEvent(&builder, &authEvents, cfg, evTime, roomVersion)
+		ev, err = buildEvent(&builder, userDomain, &authEvents, cfg, evTime, roomVersion)
 		if err != nil {
 			util.GetLogger(ctx).WithError(err).Error("buildEvent failed")
 			return jsonerror.InternalServerError()
@ -461,7 +473,7 @@ func createRoom(
 		inputs = append(inputs, roomserverAPI.InputRoomEvent{
 			Kind:         roomserverAPI.KindNew,
 			Event:        event,
-			Origin:       cfg.Matrix.ServerName,
+			Origin:       userDomain,
 			SendAsServer: roomserverAPI.DoNotSendToOtherServers,
 		})
 	}
@ -548,7 +560,7 @@ func createRoom(
 				Event:           event,
 				InviteRoomState: inviteStrippedState,
 				RoomVersion:     event.RoomVersion,
-				SendAsServer:    string(cfg.Matrix.ServerName),
+				SendAsServer:    string(userDomain),
 			}, &inviteRes); err != nil {
 				util.GetLogger(ctx).WithError(err).Error("PerformInvite failed")
 				return util.JSONResponse{
@ -591,6 +603,7 @@ func createRoom(
 // buildEvent fills out auth_events for the builder then builds the event
 func buildEvent(
 	builder *gomatrixserverlib.EventBuilder,
+	serverName gomatrixserverlib.ServerName,
 	provider gomatrixserverlib.AuthEventProvider,
 	cfg *config.ClientAPI,
 	evTime time.Time,
@ -606,7 +619,7 @@ func buildEvent(
 	}
 	builder.AuthEvents = refs
 	event, err := builder.Build(
-		evTime, cfg.Matrix.ServerName, cfg.Matrix.KeyID,
+		evTime, serverName, cfg.Matrix.KeyID,
 		cfg.Matrix.PrivateKey, roomVersion,
 	)
 	if err != nil {
--- a/clientapi/routing/directory.go
+++ b/clientapi/routing/directory.go
@ -18,14 +18,15 @@ import (
 	"fmt"
 	"net/http"

+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	federationAPI "github.com/matrix-org/dendrite/federationapi/api"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
 )

 type roomDirectoryResponse struct {
@ -75,7 +76,7 @@ func DirectoryRoom(
 	if res.RoomID == "" {
 		// If we don't know it locally, do a federation query.
 		// But don't send the query to ourselves.
-		if domain != cfg.Matrix.ServerName {
+		if !cfg.Matrix.IsLocalServerName(domain) {
 			fedRes, fedErr := federation.LookupRoomAlias(req.Context(), domain, roomAlias)
 			if fedErr != nil {
 				// TODO: Return 502 if the remote server errored.
@ -127,7 +128,7 @@ func SetLocalAlias(
 		}
 	}

-	if domain != cfg.Matrix.ServerName {
+	if !cfg.Matrix.IsLocalServerName(domain) {
 		return util.JSONResponse{
 			Code: http.StatusForbidden,
 			JSON: jsonerror.Forbidden("Alias must be on local homeserver"),
@ -318,3 +319,43 @@ func SetVisibility(
 		JSON: struct{}{},
 	}
 }
+
+func SetVisibilityAS(
+	req *http.Request, rsAPI roomserverAPI.ClientRoomserverAPI, dev *userapi.Device,
+	networkID, roomID string,
+) util.JSONResponse {
+	if dev.AccountType != userapi.AccountTypeAppService {
+		return util.JSONResponse{
+			Code: http.StatusForbidden,
+			JSON: jsonerror.Forbidden("Only appservice may use this endpoint"),
+		}
+	}
+	var v roomVisibility
+
+	// If the method is delete, we simply mark the visibility as private
+	if req.Method == http.MethodDelete {
+		v.Visibility = "private"
+	} else {
+		if reqErr := httputil.UnmarshalJSONRequest(req, &v); reqErr != nil {
+			return *reqErr
+		}
+	}
+	var publishRes roomserverAPI.PerformPublishResponse
+	if err := rsAPI.PerformPublish(req.Context(), &roomserverAPI.PerformPublishRequest{
+		RoomID:       roomID,
+		Visibility:   v.Visibility,
+		NetworkID:    networkID,
+		AppserviceID: dev.AppserviceID,
+	}, &publishRes); err != nil {
+		return jsonerror.InternalAPIError(req.Context(), err)
+	}
+	if publishRes.Error != nil {
+		util.GetLogger(req.Context()).WithError(publishRes.Error).Error("PerformPublish failed")
+		return publishRes.Error.JSONResponse()
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: struct{}{},
+	}
+}
--- a/clientapi/routing/directory_public.go
+++ b/clientapi/routing/directory_public.go
@ -39,14 +39,17 @@ var (
 )

 type PublicRoomReq struct {
-	Since  string `json:"since,omitempty"`
-	Limit  int16  `json:"limit,omitempty"`
-	Filter filter `json:"filter,omitempty"`
-	Server string `json:"server,omitempty"`
+	Since              string `json:"since,omitempty"`
+	Limit              int64  `json:"limit,omitempty"`
+	Filter             filter `json:"filter,omitempty"`
+	Server             string `json:"server,omitempty"`
+	IncludeAllNetworks bool   `json:"include_all_networks,omitempty"`
+	NetworkID          string `json:"third_party_instance_id,omitempty"`
 }

 type filter struct {
-	SearchTerms string `json:"generic_search_term,omitempty"`
+	SearchTerms string   `json:"generic_search_term,omitempty"`
+	RoomTypes   []string `json:"room_types,omitempty"` // TODO: Implement filter on this
 }

 // GetPostPublicRooms implements GET and POST /publicRooms
@ -61,9 +64,15 @@ func GetPostPublicRooms(
 		return *fillErr
 	}

-	serverName := gomatrixserverlib.ServerName(request.Server)
+	if request.IncludeAllNetworks && request.NetworkID != "" {
+		return util.JSONResponse{
+			Code: http.StatusBadRequest,
+			JSON: jsonerror.InvalidParam("include_all_networks and third_party_instance_id can not be used together"),
+		}
+	}

-	if serverName != "" && serverName != cfg.Matrix.ServerName {
+	serverName := gomatrixserverlib.ServerName(request.Server)
+	if serverName != "" && !cfg.Matrix.IsLocalServerName(serverName) {
 		res, err := federation.GetPublicRoomsFiltered(
 			req.Context(), serverName,
 			int(request.Limit), request.Since,
@ -98,7 +107,7 @@ func publicRooms(
 	response := gomatrixserverlib.RespPublicRooms{
 		Chunk: []gomatrixserverlib.PublicRoom{},
 	}
-	var limit int16
+	var limit int64
 	var offset int64
 	limit = request.Limit
 	if limit == 0 {
@ -115,7 +124,7 @@ func publicRooms(

 	var rooms []gomatrixserverlib.PublicRoom
 	if request.Since == "" {
-		rooms = refreshPublicRoomCache(ctx, rsAPI, extRoomsProvider)
+		rooms = refreshPublicRoomCache(ctx, rsAPI, extRoomsProvider, request)
 	} else {
 		rooms = getPublicRoomsFromCache()
 	}
@ -177,7 +186,7 @@ func fillPublicRoomsReq(httpReq *http.Request, request *PublicRoomReq) *util.JSO
 				JSON: jsonerror.BadJSON("limit param is not a number"),
 			}
 		}
-		request.Limit = int16(limit)
+		request.Limit = int64(limit)
 		request.Since = httpReq.FormValue("since")
 		request.Server = httpReq.FormValue("server")
 	} else {
@ -205,7 +214,7 @@ func fillPublicRoomsReq(httpReq *http.Request, request *PublicRoomReq) *util.JSO
 //	 limit=3&since=6  => G     (prev='3', next='')
 //
 //	A value of '-1' for prev/next indicates no position.
-func sliceInto(slice []gomatrixserverlib.PublicRoom, since int64, limit int16) (subset []gomatrixserverlib.PublicRoom, prev, next int) {
+func sliceInto(slice []gomatrixserverlib.PublicRoom, since int64, limit int64) (subset []gomatrixserverlib.PublicRoom, prev, next int) {
 	prev = -1
 	next = -1

@ -231,6 +240,7 @@ func sliceInto(slice []gomatrixserverlib.PublicRoom, since int64, limit int16) (

 func refreshPublicRoomCache(
 	ctx context.Context, rsAPI roomserverAPI.ClientRoomserverAPI, extRoomsProvider api.ExtraPublicRoomsProvider,
+	request PublicRoomReq,
 ) []gomatrixserverlib.PublicRoom {
 	cacheMu.Lock()
 	defer cacheMu.Unlock()
@ -239,8 +249,17 @@ func refreshPublicRoomCache(
 		extraRooms = extRoomsProvider.Rooms()
 	}

+	// TODO: this is only here to make Sytest happy, for now.
+	ns := strings.Split(request.NetworkID, "|")
+	if len(ns) == 2 {
+		request.NetworkID = ns[1]
+	}
+
 	var queryRes roomserverAPI.QueryPublishedRoomsResponse
-	err := rsAPI.QueryPublishedRooms(ctx, &roomserverAPI.QueryPublishedRoomsRequest{}, &queryRes)
+	err := rsAPI.QueryPublishedRooms(ctx, &roomserverAPI.QueryPublishedRoomsRequest{
+		NetworkID:          request.NetworkID,
+		IncludeAllNetworks: request.IncludeAllNetworks,
+	}, &queryRes)
 	if err != nil {
 		util.GetLogger(ctx).WithError(err).Error("QueryPublishedRooms failed")
 		return publicRoomsCache
--- a/clientapi/routing/directory_public_test.go
+++ b/clientapi/routing/directory_public_test.go
@ -17,7 +17,7 @@ func TestSliceInto(t *testing.T) {
 	slice := []gomatrixserverlib.PublicRoom{
 		pubRoom("a"), pubRoom("b"), pubRoom("c"), pubRoom("d"), pubRoom("e"), pubRoom("f"), pubRoom("g"),
 	}
-	limit := int16(3)
+	limit := int64(3)
 	testCases := []struct {
 		since      int64
 		wantPrev   int
--- a/clientapi/routing/getevent.go
+++ b/clientapi/routing/getevent.go
@ -1,138 +0,0 @@
-// Copyright 2019 Alex Chen
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package routing
-
-import (
-	"net/http"
-
-	"github.com/matrix-org/dendrite/clientapi/jsonerror"
-	"github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/setup/config"
-	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
-)
-
-type getEventRequest struct {
-	req            *http.Request
-	device         *userapi.Device
-	roomID         string
-	eventID        string
-	cfg            *config.ClientAPI
-	requestedEvent *gomatrixserverlib.Event
-}
-
-// GetEvent implements GET /_matrix/client/r0/rooms/{roomId}/event/{eventId}
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#get-matrix-client-r0-rooms-roomid-event-eventid
-func GetEvent(
-	req *http.Request,
-	device *userapi.Device,
-	roomID string,
-	eventID string,
-	cfg *config.ClientAPI,
-	rsAPI api.ClientRoomserverAPI,
-) util.JSONResponse {
-	eventsReq := api.QueryEventsByIDRequest{
-		EventIDs: []string{eventID},
-	}
-	var eventsResp api.QueryEventsByIDResponse
-	err := rsAPI.QueryEventsByID(req.Context(), &eventsReq, &eventsResp)
-	if err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("queryAPI.QueryEventsByID failed")
-		return jsonerror.InternalServerError()
-	}
-
-	if len(eventsResp.Events) == 0 {
-		// Event not found locally
-		return util.JSONResponse{
-			Code: http.StatusNotFound,
-			JSON: jsonerror.NotFound("The event was not found or you do not have permission to read this event"),
-		}
-	}
-
-	requestedEvent := eventsResp.Events[0].Event
-
-	r := getEventRequest{
-		req:            req,
-		device:         device,
-		roomID:         roomID,
-		eventID:        eventID,
-		cfg:            cfg,
-		requestedEvent: requestedEvent,
-	}
-
-	stateReq := api.QueryStateAfterEventsRequest{
-		RoomID:       r.requestedEvent.RoomID(),
-		PrevEventIDs: r.requestedEvent.PrevEventIDs(),
-		StateToFetch: []gomatrixserverlib.StateKeyTuple{{
-			EventType: gomatrixserverlib.MRoomMember,
-			StateKey:  device.UserID,
-		}},
-	}
-	var stateResp api.QueryStateAfterEventsResponse
-	if err := rsAPI.QueryStateAfterEvents(req.Context(), &stateReq, &stateResp); err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("queryAPI.QueryStateAfterEvents failed")
-		return jsonerror.InternalServerError()
-	}
-
-	if !stateResp.RoomExists {
-		util.GetLogger(req.Context()).Errorf("Expected to find room for event %s but failed", r.requestedEvent.EventID())
-		return jsonerror.InternalServerError()
-	}
-
-	if !stateResp.PrevEventsExist {
-		// Missing some events locally; stateResp.StateEvents unavailable.
-		return util.JSONResponse{
-			Code: http.StatusNotFound,
-			JSON: jsonerror.NotFound("The event was not found or you do not have permission to read this event"),
-		}
-	}
-
-	var appService *config.ApplicationService
-	if device.AppserviceID != "" {
-		for _, as := range cfg.Derived.ApplicationServices {
-			if as.ID == device.AppserviceID {
-				appService = &as
-				break
-			}
-		}
-	}
-
-	for _, stateEvent := range stateResp.StateEvents {
-		if appService != nil {
-			if !appService.IsInterestedInUserID(*stateEvent.StateKey()) {
-				continue
-			}
-		} else if !stateEvent.StateKeyEquals(device.UserID) {
-			continue
-		}
-		membership, err := stateEvent.Membership()
-		if err != nil {
-			util.GetLogger(req.Context()).WithError(err).Error("stateEvent.Membership failed")
-			return jsonerror.InternalServerError()
-		}
-		if membership == gomatrixserverlib.Join {
-			return util.JSONResponse{
-				Code: http.StatusOK,
-				JSON: gomatrixserverlib.ToClientEvent(r.requestedEvent, gomatrixserverlib.FormatAll),
-			}
-		}
-	}
-
-	return util.JSONResponse{
-		Code: http.StatusNotFound,
-		JSON: jsonerror.NotFound("The event was not found or you do not have permission to read this event"),
-	}
-}
--- a/clientapi/routing/joined_rooms.go
+++ b/clientapi/routing/joined_rooms.go
@ -0,0 +1,52 @@
+// Copyright 2022 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package routing
+
+import (
+	"net/http"
+
+	"github.com/matrix-org/util"
+
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	"github.com/matrix-org/dendrite/roomserver/api"
+	userapi "github.com/matrix-org/dendrite/userapi/api"
+)
+
+type getJoinedRoomsResponse struct {
+	JoinedRooms []string `json:"joined_rooms"`
+}
+
+func GetJoinedRooms(
+	req *http.Request,
+	device *userapi.Device,
+	rsAPI api.ClientRoomserverAPI,
+) util.JSONResponse {
+	var res api.QueryRoomsForUserResponse
+	err := rsAPI.QueryRoomsForUser(req.Context(), &api.QueryRoomsForUserRequest{
+		UserID:         device.UserID,
+		WantMembership: "join",
+	}, &res)
+	if err != nil {
+		util.GetLogger(req.Context()).WithError(err).Error("QueryRoomsForUser failed")
+		return jsonerror.InternalServerError()
+	}
+	if res.RoomIDs == nil {
+		res.RoomIDs = []string{}
+	}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: getJoinedRoomsResponse{res.RoomIDs},
+	}
+}
--- a/clientapi/routing/keys.go
+++ b/clientapi/routing/keys.go
@ -19,11 +19,12 @@ import (
 	"net/http"
 	"time"

+	"github.com/matrix-org/util"
+
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/keyserver/api"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/util"
 )

 type uploadKeysRequest struct {
@ -77,7 +78,6 @@ func UploadKeys(req *http.Request, keyAPI api.ClientKeyAPI, device *userapi.Devi
 		}
 	}
 	keyCount := make(map[string]int)
-	// we only return key counts when the client uploads OTKs
 	if len(uploadRes.OneTimeKeyCounts) > 0 {
 		keyCount = uploadRes.OneTimeKeyCounts[0].KeyCount
 	}
@ -99,7 +99,11 @@ func (r *queryKeysRequest) GetTimeout() time.Duration {
 	if r.Timeout == 0 {
 		return 10 * time.Second
 	}
-	return time.Duration(r.Timeout) * time.Millisecond
+	timeout := time.Duration(r.Timeout) * time.Millisecond
+	if timeout > time.Second*20 {
+		timeout = time.Second * 20
+	}
+	return timeout
 }

 func QueryKeys(req *http.Request, keyAPI api.ClientKeyAPI, device *userapi.Device) util.JSONResponse {
--- a/clientapi/routing/login.go
+++ b/clientapi/routing/login.go
@ -68,7 +68,7 @@ func Login(
 			return *authErr
 		}
 		// make a device/access token
-		authErr2 := completeAuth(req.Context(), cfg.Matrix.ServerName, userAPI, login, req.RemoteAddr, req.UserAgent())
+		authErr2 := completeAuth(req.Context(), cfg.Matrix, userAPI, login, req.RemoteAddr, req.UserAgent())
 		cleanup(req.Context(), &authErr2)
 		return authErr2
 	}
@ -79,7 +79,7 @@ func Login(
 }

 func completeAuth(
-	ctx context.Context, serverName gomatrixserverlib.ServerName, userAPI userapi.ClientUserAPI, login *auth.Login,
+	ctx context.Context, cfg *config.Global, userAPI userapi.ClientUserAPI, login *auth.Login,
 	ipAddr, userAgent string,
 ) util.JSONResponse {
 	token, err := auth.GenerateAccessToken()
@ -88,7 +88,7 @@ func completeAuth(
 		return jsonerror.InternalServerError()
 	}

-	localpart, err := userutil.ParseUsernameParam(login.Username(), &serverName)
+	localpart, serverName, err := userutil.ParseUsernameParam(login.Username(), cfg)
 	if err != nil {
 		util.GetLogger(ctx).WithError(err).Error("auth.ParseUsernameParam failed")
 		return jsonerror.InternalServerError()
--- a/clientapi/routing/membership.go
+++ b/clientapi/routing/membership.go
@ -105,12 +105,13 @@ func sendMembership(ctx context.Context, profileAPI userapi.ClientUserAPI, devic
 		return jsonerror.InternalServerError()
 	}

+	serverName := device.UserDomain()
 	if err = roomserverAPI.SendEvents(
 		ctx, rsAPI,
 		roomserverAPI.KindNew,
 		[]*gomatrixserverlib.HeaderedEvent{event.Event.Headered(roomVer)},
-		cfg.Matrix.ServerName,
-		cfg.Matrix.ServerName,
+		serverName,
+		serverName,
 		nil,
 		false,
 	); err != nil {
@ -271,7 +272,7 @@ func sendInvite(
 		Event:           event,
 		InviteRoomState: nil, // ask the roomserver to draw up invite room state for us
 		RoomVersion:     event.RoomVersion,
-		SendAsServer:    string(cfg.Matrix.ServerName),
+		SendAsServer:    string(device.UserDomain()),
 	}, &inviteRes); err != nil {
 		util.GetLogger(ctx).WithError(err).Error("PerformInvite failed")
 		return util.JSONResponse{
@ -341,7 +342,7 @@ func loadProfile(
 	}

 	var profile *authtypes.Profile
-	if serverName == cfg.Matrix.ServerName {
+	if cfg.Matrix.IsLocalServerName(serverName) {
 		profile, err = appserviceAPI.RetrieveUserProfile(ctx, userID, asAPI, profileAPI)
 	} else {
 		profile = &authtypes.Profile{}
--- a/clientapi/routing/openid.go
+++ b/clientapi/routing/openid.go
@ -63,7 +63,7 @@ func CreateOpenIDToken(
 		JSON: openIDTokenResponse{
 			AccessToken:      response.Token.Token,
 			TokenType:        "Bearer",
-			MatrixServerName: string(cfg.Matrix.ServerName),
+			MatrixServerName: string(device.UserDomain()),
 			ExpiresIn:        response.Token.ExpiresAtMS / 1000, // convert ms to s
 		},
 	}
--- a/clientapi/routing/profile.go
+++ b/clientapi/routing/profile.go
@ -19,6 +19,8 @@ import (
 	"net/http"
 	"time"

+	"github.com/matrix-org/gomatrixserverlib"
+
 	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
@ -27,7 +29,6 @@ import (
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/gomatrixserverlib"

 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/util"
@ -112,12 +113,19 @@ func SetAvatarURL(
 		}
 	}

-	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
+	localpart, domain, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
 		return jsonerror.InternalServerError()
 	}

+	if !cfg.Matrix.IsLocalServerName(domain) {
+		return util.JSONResponse{
+			Code: http.StatusForbidden,
+			JSON: jsonerror.Forbidden("userID does not belong to a locally configured domain"),
+		}
+	}
+
 	evTime, err := httputil.ParseTSParam(req)
 	if err != nil {
 		return util.JSONResponse{
@ -126,63 +134,26 @@ func SetAvatarURL(
 		}
 	}

-	res := &userapi.QueryProfileResponse{}
-	err = profileAPI.QueryProfile(req.Context(), &userapi.QueryProfileRequest{
-		UserID: userID,
-	}, res)
-	if err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("profileAPI.QueryProfile failed")
-		return jsonerror.InternalServerError()
-	}
-	oldProfile := &authtypes.Profile{
-		Localpart:   localpart,
-		DisplayName: res.DisplayName,
-		AvatarURL:   res.AvatarURL,
-	}
-
 	setRes := &userapi.PerformSetAvatarURLResponse{}
 	if err = profileAPI.SetAvatarURL(req.Context(), &userapi.PerformSetAvatarURLRequest{
-		Localpart: localpart,
-		AvatarURL: r.AvatarURL,
+		Localpart:  localpart,
+		ServerName: domain,
+		AvatarURL:  r.AvatarURL,
 	}, setRes); err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("profileAPI.SetAvatarURL failed")
 		return jsonerror.InternalServerError()
 	}
-
-	var roomsRes api.QueryRoomsForUserResponse
-	err = rsAPI.QueryRoomsForUser(req.Context(), &api.QueryRoomsForUserRequest{
-		UserID:         device.UserID,
-		WantMembership: "join",
-	}, &roomsRes)
-	if err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("QueryRoomsForUser failed")
-		return jsonerror.InternalServerError()
-	}
-
-	newProfile := authtypes.Profile{
-		Localpart:   localpart,
-		DisplayName: oldProfile.DisplayName,
-		AvatarURL:   r.AvatarURL,
-	}
-
-	events, err := buildMembershipEvents(
-		req.Context(), roomsRes.RoomIDs, newProfile, userID, cfg, evTime, rsAPI,
-	)
-	switch e := err.(type) {
-	case nil:
-	case gomatrixserverlib.BadJSONError:
+	// No need to build new membership events, since nothing changed
+	if !setRes.Changed {
 		return util.JSONResponse{
-			Code: http.StatusBadRequest,
-			JSON: jsonerror.BadJSON(e.Error()),
+			Code: http.StatusOK,
+			JSON: struct{}{},
 		}
-	default:
-		util.GetLogger(req.Context()).WithError(err).Error("buildMembershipEvents failed")
-		return jsonerror.InternalServerError()
 	}

-	if err := api.SendEvents(req.Context(), rsAPI, api.KindNew, events, cfg.Matrix.ServerName, cfg.Matrix.ServerName, nil, true); err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("SendEvents failed")
-		return jsonerror.InternalServerError()
+	response, err := updateProfile(req.Context(), rsAPI, device, setRes.Profile, userID, cfg, evTime)
+	if err != nil {
+		return response
 	}

 	return util.JSONResponse{
@ -241,12 +212,19 @@ func SetDisplayName(
 		}
 	}

-	localpart, _, err := gomatrixserverlib.SplitID('@', userID)
+	localpart, domain, err := gomatrixserverlib.SplitID('@', userID)
 	if err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
 		return jsonerror.InternalServerError()
 	}

+	if !cfg.Matrix.IsLocalServerName(domain) {
+		return util.JSONResponse{
+			Code: http.StatusForbidden,
+			JSON: jsonerror.Forbidden("userID does not belong to a locally configured domain"),
+		}
+	}
+
 	evTime, err := httputil.ParseTSParam(req)
 	if err != nil {
 		return util.JSONResponse{
@ -255,47 +233,58 @@ func SetDisplayName(
 		}
 	}

-	pRes := &userapi.QueryProfileResponse{}
-	err = profileAPI.QueryProfile(req.Context(), &userapi.QueryProfileRequest{
-		UserID: userID,
-	}, pRes)
-	if err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("profileAPI.QueryProfile failed")
-		return jsonerror.InternalServerError()
-	}
-	oldProfile := &authtypes.Profile{
-		Localpart:   localpart,
-		DisplayName: pRes.DisplayName,
-		AvatarURL:   pRes.AvatarURL,
-	}
-
+	profileRes := &userapi.PerformUpdateDisplayNameResponse{}
 	err = profileAPI.SetDisplayName(req.Context(), &userapi.PerformUpdateDisplayNameRequest{
 		Localpart:   localpart,
+		ServerName:  domain,
 		DisplayName: r.DisplayName,
-	}, &struct{}{})
+	}, profileRes)
 	if err != nil {
 		util.GetLogger(req.Context()).WithError(err).Error("profileAPI.SetDisplayName failed")
 		return jsonerror.InternalServerError()
 	}
+	// No need to build new membership events, since nothing changed
+	if !profileRes.Changed {
+		return util.JSONResponse{
+			Code: http.StatusOK,
+			JSON: struct{}{},
+		}
+	}

+	response, err := updateProfile(req.Context(), rsAPI, device, profileRes.Profile, userID, cfg, evTime)
+	if err != nil {
+		return response
+	}
+
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: struct{}{},
+	}
+}
+
+func updateProfile(
+	ctx context.Context, rsAPI api.ClientRoomserverAPI, device *userapi.Device,
+	profile *authtypes.Profile,
+	userID string, cfg *config.ClientAPI, evTime time.Time,
+) (util.JSONResponse, error) {
 	var res api.QueryRoomsForUserResponse
-	err = rsAPI.QueryRoomsForUser(req.Context(), &api.QueryRoomsForUserRequest{
+	err := rsAPI.QueryRoomsForUser(ctx, &api.QueryRoomsForUserRequest{
 		UserID:         device.UserID,
 		WantMembership: "join",
 	}, &res)
 	if err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("QueryRoomsForUser failed")
-		return jsonerror.InternalServerError()
+		util.GetLogger(ctx).WithError(err).Error("QueryRoomsForUser failed")
+		return jsonerror.InternalServerError(), err
 	}

-	newProfile := authtypes.Profile{
-		Localpart:   localpart,
-		DisplayName: r.DisplayName,
-		AvatarURL:   oldProfile.AvatarURL,
+	_, domain, err := gomatrixserverlib.SplitID('@', userID)
+	if err != nil {
+		util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.SplitID failed")
+		return jsonerror.InternalServerError(), err
 	}

 	events, err := buildMembershipEvents(
-		req.Context(), res.RoomIDs, newProfile, userID, cfg, evTime, rsAPI,
+		ctx, res.RoomIDs, *profile, userID, cfg, evTime, rsAPI,
 	)
 	switch e := err.(type) {
 	case nil:
@ -303,21 +292,17 @@ func SetDisplayName(
 		return util.JSONResponse{
 			Code: http.StatusBadRequest,
 			JSON: jsonerror.BadJSON(e.Error()),
-		}
+		}, e
 	default:
-		util.GetLogger(req.Context()).WithError(err).Error("buildMembershipEvents failed")
-		return jsonerror.InternalServerError()
+		util.GetLogger(ctx).WithError(err).Error("buildMembershipEvents failed")
+		return jsonerror.InternalServerError(), e
 	}

-	if err := api.SendEvents(req.Context(), rsAPI, api.KindNew, events, cfg.Matrix.ServerName, cfg.Matrix.ServerName, nil, true); err != nil {
-		util.GetLogger(req.Context()).WithError(err).Error("SendEvents failed")
-		return jsonerror.InternalServerError()
-	}
-
-	return util.JSONResponse{
-		Code: http.StatusOK,
-		JSON: struct{}{},
+	if err := api.SendEvents(ctx, rsAPI, api.KindNew, events, domain, domain, nil, true); err != nil {
+		util.GetLogger(ctx).WithError(err).Error("SendEvents failed")
+		return jsonerror.InternalServerError(), err
 	}
+	return util.JSONResponse{}, nil
 }

 // getProfile gets the full profile of a user by querying the database or a
@ -335,7 +320,7 @@ func getProfile(
 		return nil, err
 	}

-	if domain != cfg.Matrix.ServerName {
+	if !cfg.Matrix.IsLocalServerName(domain) {
 		profile, fedErr := federation.LookupProfile(ctx, domain, userID, "")
 		if fedErr != nil {
 			if x, ok := fedErr.(gomatrix.HTTPError); ok {
--- a/clientapi/routing/receipt.go
+++ b/clientapi/routing/receipt.go
@ -15,19 +15,22 @@
 package routing

 import (
+	"encoding/json"
 	"fmt"
 	"net/http"
 	"time"

+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/gomatrixserverlib"

+	"github.com/matrix-org/dendrite/userapi/api"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/matrix-org/util"
 	"github.com/sirupsen/logrus"
 )

-func SetReceipt(req *http.Request, syncProducer *producers.SyncAPIProducer, device *userapi.Device, roomID, receiptType, eventID string) util.JSONResponse {
+func SetReceipt(req *http.Request, userAPI api.ClientUserAPI, syncProducer *producers.SyncAPIProducer, device *userapi.Device, roomID, receiptType, eventID string) util.JSONResponse {
 	timestamp := gomatrixserverlib.AsTimestamp(time.Now())
 	logrus.WithFields(logrus.Fields{
 		"roomID":      roomID,
@ -37,13 +40,32 @@ func SetReceipt(req *http.Request, syncProducer *producers.SyncAPIProducer, devi
 		"timestamp":   timestamp,
 	}).Debug("Setting receipt")

-	// currently only m.read is accepted
-	if receiptType != "m.read" {
-		return util.MessageResponse(400, fmt.Sprintf("receipt type must be m.read not '%s'", receiptType))
-	}
+	switch receiptType {
+	case "m.read", "m.read.private":
+		if err := syncProducer.SendReceipt(req.Context(), device.UserID, roomID, eventID, receiptType, timestamp); err != nil {
+			return util.ErrorResponse(err)
+		}

-	if err := syncProducer.SendReceipt(req.Context(), device.UserID, roomID, eventID, receiptType, timestamp); err != nil {
-		return util.ErrorResponse(err)
+	case "m.fully_read":
+		data, err := json.Marshal(fullyReadEvent{EventID: eventID})
+		if err != nil {
+			return jsonerror.InternalServerError()
+		}
+
+		dataReq := api.InputAccountDataRequest{
+			UserID:      device.UserID,
+			DataType:    "m.fully_read",
+			RoomID:      roomID,
+			AccountData: data,
+		}
+		dataRes := api.InputAccountDataResponse{}
+		if err := userAPI.InputAccountData(req.Context(), &dataReq, &dataRes); err != nil {
+			util.GetLogger(req.Context()).WithError(err).Error("userAPI.InputAccountData failed")
+			return util.ErrorResponse(err)
+		}
+
+	default:
+		return util.MessageResponse(400, fmt.Sprintf("Receipt type '%s' not known", receiptType))
 	}

 	return util.JSONResponse{
--- a/clientapi/routing/redaction.go
+++ b/clientapi/routing/redaction.go
@ -19,6 +19,9 @@ import (
 	"net/http"
 	"time"

+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/internal/eventutil"
@ -26,8 +29,6 @@ import (
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/config"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
 )

 type redactionContent struct {
@ -51,7 +52,7 @@ func SendRedaction(

 	if txnID != nil {
 		// Try to fetch response from transactionsCache
-		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
+		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
 			return *res
 		}
 	}
@ -130,7 +131,8 @@ func SendRedaction(
 			JSON: jsonerror.NotFound("Room does not exist"),
 		}
 	}
-	if err = roomserverAPI.SendEvents(context.Background(), rsAPI, roomserverAPI.KindNew, []*gomatrixserverlib.HeaderedEvent{e}, cfg.Matrix.ServerName, cfg.Matrix.ServerName, nil, false); err != nil {
+	domain := device.UserDomain()
+	if err = roomserverAPI.SendEvents(context.Background(), rsAPI, roomserverAPI.KindNew, []*gomatrixserverlib.HeaderedEvent{e}, domain, domain, nil, false); err != nil {
 		util.GetLogger(req.Context()).WithError(err).Errorf("failed to SendEvents")
 		return jsonerror.InternalServerError()
 	}
@ -144,7 +146,7 @@ func SendRedaction(

 	// Add response to transactionsCache
 	if txnID != nil {
-		txnCache.AddTransaction(device.AccessToken, *txnID, &res)
+		txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
 	}

 	return res
--- a/clientapi/routing/register.go
+++ b/clientapi/routing/register.go
@ -20,6 +20,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"net"
 	"net/http"
 	"net/url"
 	"regexp"
@ -336,6 +337,7 @@ func validateRecaptcha(
 	response string,
 	clientip string,
 ) *util.JSONResponse {
+	ip, _, _ := net.SplitHostPort(clientip)
 	if !cfg.RecaptchaEnabled {
 		return &util.JSONResponse{
 			Code: http.StatusConflict,
@ -355,7 +357,7 @@ func validateRecaptcha(
 		url.Values{
 			"secret":   {cfg.RecaptchaPrivateKey},
 			"response": {response},
-			"remoteip": {clientip},
+			"remoteip": {ip},
 		},
 	)

@ -412,7 +414,7 @@ func UserIDIsWithinApplicationServiceNamespace(
 		return false
 	}

-	if domain != cfg.Matrix.ServerName {
+	if !cfg.Matrix.IsLocalServerName(domain) {
 		return false
 	}

--- a/clientapi/routing/routing.go
+++ b/clientapi/routing/routing.go
@ -70,6 +70,7 @@ func Setup(

 	unstableFeatures := map[string]bool{
 		"org.matrix.e2e_cross_signing": true,
+		"org.matrix.msc2285.stable":    true,
 	}
 	for _, msc := range cfg.MSCs.MSCs {
 		unstableFeatures["org.matrix."+msc] = true
@ -162,6 +163,12 @@ func Setup(
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)

+	dendriteAdminRouter.Handle("/admin/downloadState/{serverName}/{roomID}",
+		httputil.MakeAdminAPI("admin_download_state", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			return AdminDownloadState(req, cfg, device, rsAPI)
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
 	dendriteAdminRouter.Handle("/admin/fulltext/reindex",
 		httputil.MakeAdminAPI("admin_fultext_reindex", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
 			return AdminReindex(req, cfg, device, natsClient)
@ -177,7 +184,7 @@ func Setup(
 	// server notifications
 	if cfg.Matrix.ServerNotices.Enabled {
 		logrus.Info("Enabling server notices at /_synapse/admin/v1/send_server_notice")
-		serverNotificationSender, err := getSenderDevice(context.Background(), userAPI, cfg)
+		serverNotificationSender, err := getSenderDevice(context.Background(), rsAPI, userAPI, cfg)
 		if err != nil {
 			logrus.WithError(err).Fatal("unable to get account for sending sending server notices")
 		}
@ -367,15 +374,6 @@ func Setup(
 				nil, cfg, rsAPI, transactionsCache)
 		}),
 	).Methods(http.MethodPut, http.MethodOptions)
-	v3mux.Handle("/rooms/{roomID}/event/{eventID}",
-		httputil.MakeAuthAPI("rooms_get_event", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
-			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
-			if err != nil {
-				return util.ErrorResponse(err)
-			}
-			return GetEvent(req, device, vars["roomID"], vars["eventID"], cfg, rsAPI)
-		}),
-	).Methods(http.MethodGet, http.MethodOptions)

 	v3mux.Handle("/rooms/{roomID}/state", httputil.MakeAuthAPI("room_state", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
 		vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
@ -488,7 +486,7 @@ func Setup(
 			return GetVisibility(req, rsAPI, vars["roomID"])
 		}),
 	).Methods(http.MethodGet, http.MethodOptions)
-	// TODO: Add AS support
+
 	v3mux.Handle("/directory/list/room/{roomID}",
 		httputil.MakeAuthAPI("directory_list", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
 			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
@ -498,6 +496,27 @@ func Setup(
 			return SetVisibility(req, rsAPI, device, vars["roomID"])
 		}),
 	).Methods(http.MethodPut, http.MethodOptions)
+	v3mux.Handle("/directory/list/appservice/{networkID}/{roomID}",
+		httputil.MakeAuthAPI("directory_list", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+			if err != nil {
+				return util.ErrorResponse(err)
+			}
+			return SetVisibilityAS(req, rsAPI, device, vars["networkID"], vars["roomID"])
+		}),
+	).Methods(http.MethodPut, http.MethodOptions)
+
+	// Undocumented endpoint
+	v3mux.Handle("/directory/list/appservice/{networkID}/{roomID}",
+		httputil.MakeAuthAPI("directory_list", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+			if err != nil {
+				return util.ErrorResponse(err)
+			}
+			return SetVisibilityAS(req, rsAPI, device, vars["networkID"], vars["roomID"])
+		}),
+	).Methods(http.MethodDelete, http.MethodOptions)
+
 	v3mux.Handle("/publicRooms",
 		httputil.MakeExternalAPI("public_rooms", func(req *http.Request) util.JSONResponse {
 			return GetPostPublicRooms(req, rsAPI, extRoomsProvider, federation, cfg)
@ -850,12 +869,50 @@ func Setup(
 	).Methods(http.MethodGet, http.MethodOptions)

 	v3mux.Handle("/thirdparty/protocols",
-		httputil.MakeExternalAPI("thirdparty_protocols", func(req *http.Request) util.JSONResponse {
-			// TODO: Return the third party protcols
-			return util.JSONResponse{
-				Code: http.StatusOK,
-				JSON: struct{}{},
+		httputil.MakeAuthAPI("thirdparty_protocols", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			return Protocols(req, asAPI, device, "")
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
+	v3mux.Handle("/thirdparty/protocol/{protocolID}",
+		httputil.MakeAuthAPI("thirdparty_protocols", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+			if err != nil {
+				return util.ErrorResponse(err)
 			}
+			return Protocols(req, asAPI, device, vars["protocolID"])
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
+	v3mux.Handle("/thirdparty/user/{protocolID}",
+		httputil.MakeAuthAPI("thirdparty_user", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+			if err != nil {
+				return util.ErrorResponse(err)
+			}
+			return User(req, asAPI, device, vars["protocolID"], req.URL.Query())
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
+	v3mux.Handle("/thirdparty/user",
+		httputil.MakeAuthAPI("thirdparty_user", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			return User(req, asAPI, device, "", req.URL.Query())
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
+	v3mux.Handle("/thirdparty/location/{protocolID}",
+		httputil.MakeAuthAPI("thirdparty_location", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
+			if err != nil {
+				return util.ErrorResponse(err)
+			}
+			return Location(req, asAPI, device, vars["protocolID"], req.URL.Query())
+		}),
+	).Methods(http.MethodGet, http.MethodOptions)
+
+	v3mux.Handle("/thirdparty/location",
+		httputil.MakeAuthAPI("thirdparty_location", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
+			return Location(req, asAPI, device, "", req.URL.Query())
 		}),
 	).Methods(http.MethodGet, http.MethodOptions)

@ -958,26 +1015,6 @@ func Setup(
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)

-	v3mux.Handle("/rooms/{roomID}/members",
-		httputil.MakeAuthAPI("rooms_members", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
-			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
-			if err != nil {
-				return util.ErrorResponse(err)
-			}
-			return GetMemberships(req, device, vars["roomID"], false, cfg, rsAPI)
-		}),
-	).Methods(http.MethodGet, http.MethodOptions)
-
-	v3mux.Handle("/rooms/{roomID}/joined_members",
-		httputil.MakeAuthAPI("rooms_members", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
-			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
-			if err != nil {
-				return util.ErrorResponse(err)
-			}
-			return GetMemberships(req, device, vars["roomID"], true, cfg, rsAPI)
-		}),
-	).Methods(http.MethodGet, http.MethodOptions)
-
 	v3mux.Handle("/rooms/{roomID}/read_markers",
 		httputil.MakeAuthAPI("rooms_read_markers", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
 			if r := rateLimits.Limit(req, device); r != nil {
@ -1352,7 +1389,7 @@ func Setup(
 				return util.ErrorResponse(err)
 			}

-			return SetReceipt(req, syncProducer, device, vars["roomId"], vars["receiptType"], vars["eventId"])
+			return SetReceipt(req, userAPI, syncProducer, device, vars["roomId"], vars["receiptType"], vars["eventId"])
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)
 	v3mux.Handle("/presence/{userId}/status",
--- a/clientapi/routing/sendevent.go
+++ b/clientapi/routing/sendevent.go
@ -86,7 +86,7 @@ func SendEvent(

 	if txnID != nil {
 		// Try to fetch response from transactionsCache
-		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
+		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
 			return *res
 		}
 	}
@ -94,6 +94,7 @@ func SendEvent(
 	// create a mutex for the specific user in the specific room
 	// this avoids a situation where events that are received in quick succession are sent to the roomserver in a jumbled order
 	userID := device.UserID
+	domain := device.UserDomain()
 	mutex, _ := userRoomSendMutexes.LoadOrStore(roomID+userID, &sync.Mutex{})
 	mutex.(*sync.Mutex).Lock()
 	defer mutex.(*sync.Mutex).Unlock()
@ -185,8 +186,8 @@ func SendEvent(
 		[]*gomatrixserverlib.HeaderedEvent{
 			e.Headered(verRes.RoomVersion),
 		},
-		cfg.Matrix.ServerName,
-		cfg.Matrix.ServerName,
+		domain,
+		domain,
 		txnAndSessionID,
 		false,
 	); err != nil {
@ -206,7 +207,7 @@ func SendEvent(
 	}
 	// Add response to transactionsCache
 	if txnID != nil {
-		txnCache.AddTransaction(device.AccessToken, *txnID, &res)
+		txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
 	}

 	// Take a note of how long it took to generate the event vs submit
--- a/clientapi/routing/sendtodevice.go
+++ b/clientapi/routing/sendtodevice.go
@ -16,12 +16,13 @@ import (
 	"encoding/json"
 	"net/http"

+	"github.com/matrix-org/util"
+
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/clientapi/producers"
 	"github.com/matrix-org/dendrite/internal/transactions"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
-	"github.com/matrix-org/util"
 )

 // SendToDevice handles PUT /_matrix/client/r0/sendToDevice/{eventType}/{txnId}
@ -33,7 +34,7 @@ func SendToDevice(
 	eventType string, txnID *string,
 ) util.JSONResponse {
 	if txnID != nil {
-		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
+		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
 			return *res
 		}
 	}
@ -63,7 +64,7 @@ func SendToDevice(
 	}

 	if txnID != nil {
-		txnCache.AddTransaction(device.AccessToken, *txnID, &res)
+		txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
 	}

 	return res
--- a/clientapi/routing/server_notices.go
+++ b/clientapi/routing/server_notices.go
@ -21,7 +21,6 @@ import (
 	"net/http"
 	"time"

-	"github.com/matrix-org/dendrite/roomserver/version"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/gomatrixserverlib/tokens"
@ -29,6 +28,8 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/sirupsen/logrus"

+	"github.com/matrix-org/dendrite/roomserver/version"
+
 	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
@ -73,7 +74,7 @@ func SendServerNotice(

 	if txnID != nil {
 		// Try to fetch response from transactionsCache
-		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
+		if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
 			return *res
 		}
 	}
@ -251,7 +252,7 @@ func SendServerNotice(
 	}
 	// Add response to transactionsCache
 	if txnID != nil {
-		txnCache.AddTransaction(device.AccessToken, *txnID, &res)
+		txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
 	}

 	// Take a note of how long it took to generate the event vs submit
@ -276,6 +277,7 @@ func (r sendServerNoticeRequest) valid() (ok bool) {
 // It returns an userapi.Device, which is used for building the event
 func getSenderDevice(
 	ctx context.Context,
+	rsAPI api.ClientRoomserverAPI,
 	userAPI userapi.ClientUserAPI,
 	cfg *config.ClientAPI,
 ) (*userapi.Device, error) {
@ -290,16 +292,32 @@ func getSenderDevice(
 		return nil, err
 	}

-	// set the avatarurl for the user
-	res := &userapi.PerformSetAvatarURLResponse{}
+	// Set the avatarurl for the user
+	avatarRes := &userapi.PerformSetAvatarURLResponse{}
 	if err = userAPI.SetAvatarURL(ctx, &userapi.PerformSetAvatarURLRequest{
 		Localpart: cfg.Matrix.ServerNotices.LocalPart,
 		AvatarURL: cfg.Matrix.ServerNotices.AvatarURL,
-	}, res); err != nil {
+	}, avatarRes); err != nil {
 		util.GetLogger(ctx).WithError(err).Error("userAPI.SetAvatarURL failed")
 		return nil, err
 	}

+	profile := avatarRes.Profile
+
+	// Set the displayname for the user
+	displayNameRes := &userapi.PerformUpdateDisplayNameResponse{}
+	if err = userAPI.SetDisplayName(ctx, &userapi.PerformUpdateDisplayNameRequest{
+		Localpart:   cfg.Matrix.ServerNotices.LocalPart,
+		DisplayName: cfg.Matrix.ServerNotices.DisplayName,
+	}, displayNameRes); err != nil {
+		util.GetLogger(ctx).WithError(err).Error("userAPI.SetDisplayName failed")
+		return nil, err
+	}
+
+	if displayNameRes.Changed {
+		profile.DisplayName = cfg.Matrix.ServerNotices.DisplayName
+	}
+
 	// Check if we got existing devices
 	deviceRes := &userapi.QueryDevicesResponse{}
 	err = userAPI.QueryDevices(ctx, &userapi.QueryDevicesRequest{
@ -309,7 +327,15 @@ func getSenderDevice(
 		return nil, err
 	}

+	// We've got an existing account, return the first device of it
 	if len(deviceRes.Devices) > 0 {
+		// If there were changes to the profile, create a new membership event
+		if displayNameRes.Changed || avatarRes.Changed {
+			_, err = updateProfile(ctx, rsAPI, &deviceRes.Devices[0], profile, accRes.Account.UserID, cfg, time.Now())
+			if err != nil {
+				return nil, err
+			}
+		}
 		return &deviceRes.Devices[0], nil
 	}

--- a/clientapi/routing/thirdparty.go
+++ b/clientapi/routing/thirdparty.go
@ -0,0 +1,106 @@
+// Copyright 2022 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package routing
+
+import (
+	"net/http"
+	"net/url"
+
+	"github.com/matrix-org/util"
+
+	appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
+	"github.com/matrix-org/dendrite/userapi/api"
+)
+
+// Protocols implements
+//
+//	GET /_matrix/client/v3/thirdparty/protocols/{protocol}
+//	GET /_matrix/client/v3/thirdparty/protocols
+func Protocols(req *http.Request, asAPI appserviceAPI.AppServiceInternalAPI, device *api.Device, protocol string) util.JSONResponse {
+	resp := &appserviceAPI.ProtocolResponse{}
+
+	if err := asAPI.Protocols(req.Context(), &appserviceAPI.ProtocolRequest{Protocol: protocol}, resp); err != nil {
+		return jsonerror.InternalServerError()
+	}
+	if !resp.Exists {
+		return util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("The protocol is unknown."),
+		}
+	}
+	if protocol != "" {
+		return util.JSONResponse{
+			Code: http.StatusOK,
+			JSON: resp.Protocols[protocol],
+		}
+	}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: resp.Protocols,
+	}
+}
+
+// User implements
+//
+//	GET /_matrix/client/v3/thirdparty/user
+//	GET /_matrix/client/v3/thirdparty/user/{protocol}
+func User(req *http.Request, asAPI appserviceAPI.AppServiceInternalAPI, device *api.Device, protocol string, params url.Values) util.JSONResponse {
+	resp := &appserviceAPI.UserResponse{}
+
+	params.Del("access_token")
+	if err := asAPI.User(req.Context(), &appserviceAPI.UserRequest{
+		Protocol: protocol,
+		Params:   params.Encode(),
+	}, resp); err != nil {
+		return jsonerror.InternalServerError()
+	}
+	if !resp.Exists {
+		return util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("The Matrix User ID was not found"),
+		}
+	}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: resp.Users,
+	}
+}
+
+// Location implements
+//
+//	GET /_matrix/client/v3/thirdparty/location
+//	GET /_matrix/client/v3/thirdparty/location/{protocol}
+func Location(req *http.Request, asAPI appserviceAPI.AppServiceInternalAPI, device *api.Device, protocol string, params url.Values) util.JSONResponse {
+	resp := &appserviceAPI.LocationResponse{}
+
+	params.Del("access_token")
+	if err := asAPI.Locations(req.Context(), &appserviceAPI.LocationRequest{
+		Protocol: protocol,
+		Params:   params.Encode(),
+	}, resp); err != nil {
+		return jsonerror.InternalServerError()
+	}
+	if !resp.Exists {
+		return util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("No portal rooms were found."),
+		}
+	}
+	return util.JSONResponse{
+		Code: http.StatusOK,
+		JSON: resp.Locations,
+	}
+}
--- a/clientapi/threepid/invites.go
+++ b/clientapi/threepid/invites.go
@ -215,7 +215,7 @@ func queryIDServerStoreInvite(
 	}

 	var profile *authtypes.Profile
-	if serverName == cfg.Matrix.ServerName {
+	if cfg.Matrix.IsLocalServerName(serverName) {
 		res := &userapi.QueryProfileResponse{}
 		err = userAPI.QueryProfile(ctx, &userapi.QueryProfileRequest{UserID: device.UserID}, res)
 		if err != nil {
--- a/clientapi/userutil/userutil.go
+++ b/clientapi/userutil/userutil.go
@ -17,6 +17,7 @@ import (
 	"fmt"
 	"strings"

+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/gomatrixserverlib"
 )

@ -24,23 +25,23 @@ import (
 // usernameParam can either be a user ID or just the localpart/username.
 // If serverName is passed, it is verified against the domain obtained from usernameParam (if present)
 // Returns error in case of invalid usernameParam.
-func ParseUsernameParam(usernameParam string, expectedServerName *gomatrixserverlib.ServerName) (string, error) {
+func ParseUsernameParam(usernameParam string, cfg *config.Global) (string, gomatrixserverlib.ServerName, error) {
 	localpart := usernameParam

 	if strings.HasPrefix(usernameParam, "@") {
 		lp, domain, err := gomatrixserverlib.SplitID('@', usernameParam)

 		if err != nil {
-			return "", errors.New("invalid username")
+			return "", "", errors.New("invalid username")
 		}

-		if expectedServerName != nil && domain != *expectedServerName {
-			return "", errors.New("user ID does not belong to this server")
+		if !cfg.IsLocalServerName(domain) {
+			return "", "", errors.New("user ID does not belong to this server")
 		}

-		localpart = lp
+		return lp, domain, nil
 	}
-	return localpart, nil
+	return localpart, cfg.ServerName, nil
 }

 // MakeUserID generates user ID from localpart & server name
--- a/clientapi/userutil/userutil_test.go
+++ b/clientapi/userutil/userutil_test.go
@ -15,6 +15,7 @@ package userutil
 import (
 	"testing"

+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/gomatrixserverlib"
 )

@ -28,7 +29,11 @@ var (

 // TestGoodUserID checks that correct localpart is returned for a valid user ID.
 func TestGoodUserID(t *testing.T) {
-	lp, err := ParseUsernameParam(goodUserID, &serverName)
+	cfg := &config.Global{
+		ServerName: serverName,
+	}
+
+	lp, _, err := ParseUsernameParam(goodUserID, cfg)

 	if err != nil {
 		t.Error("User ID Parsing failed for ", goodUserID, " with error: ", err.Error())
@ -41,7 +46,11 @@ func TestGoodUserID(t *testing.T) {

 // TestWithLocalpartOnly checks that localpart is returned when usernameParam contains only localpart.
 func TestWithLocalpartOnly(t *testing.T) {
-	lp, err := ParseUsernameParam(localpart, &serverName)
+	cfg := &config.Global{
+		ServerName: serverName,
+	}
+
+	lp, _, err := ParseUsernameParam(localpart, cfg)

 	if err != nil {
 		t.Error("User ID Parsing failed for ", localpart, " with error: ", err.Error())
@ -54,7 +63,11 @@ func TestWithLocalpartOnly(t *testing.T) {

 // TestIncorrectDomain checks for error when there's server name mismatch.
 func TestIncorrectDomain(t *testing.T) {
-	_, err := ParseUsernameParam(goodUserID, &invalidServerName)
+	cfg := &config.Global{
+		ServerName: invalidServerName,
+	}
+
+	_, _, err := ParseUsernameParam(goodUserID, cfg)

 	if err == nil {
 		t.Error("Invalid Domain should return an error")
@ -63,7 +76,11 @@ func TestIncorrectDomain(t *testing.T) {

 // TestBadUserID checks that ParseUsernameParam fails for invalid user ID
 func TestBadUserID(t *testing.T) {
-	_, err := ParseUsernameParam(badUserID, &serverName)
+	cfg := &config.Global{
+		ServerName: serverName,
+	}
+
+	_, _, err := ParseUsernameParam(badUserID, cfg)

 	if err == nil {
 		t.Error("Illegal User ID should return an error")
--- a/cmd/create-account/main.go
+++ b/cmd/create-account/main.go
@ -179,7 +179,10 @@ func sharedSecretRegister(sharedSecret, serverURL, localpart, password string, a
 		body, _ = io.ReadAll(regResp.Body)
 		return "", fmt.Errorf(gjson.GetBytes(body, "error").Str)
 	}
-	r, _ := io.ReadAll(regResp.Body)
+	r, err := io.ReadAll(regResp.Body)
+	if err != nil {
+		return "", fmt.Errorf("failed to read response body (HTTP %d): %w", regResp.StatusCode, err)
+	}

 	return gjson.GetBytes(r, "access_token").Str, nil
 }
--- a/cmd/dendrite-demo-pinecone/main.go
+++ b/cmd/dendrite-demo-pinecone/main.go
@ -54,8 +54,6 @@ import (
 	pineconeSessions "github.com/matrix-org/pinecone/sessions"

 	"github.com/sirupsen/logrus"
-
-	_ "github.com/mattn/go-sqlite3"
 )

 var (
--- a/cmd/dendrite-demo-yggdrasil/main.go
+++ b/cmd/dendrite-demo-yggdrasil/main.go
@ -48,8 +48,6 @@ import (
 	"github.com/matrix-org/dendrite/test"
 	"github.com/matrix-org/dendrite/userapi"
 	"github.com/sirupsen/logrus"
-
-	_ "github.com/mattn/go-sqlite3"
 )

 var (
--- a/cmd/dendrite-demo-yggdrasil/yggconn/node.go
+++ b/cmd/dendrite-demo-yggdrasil/yggconn/node.go
@ -20,6 +20,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"net"
+	"regexp"
 	"strings"

 	"github.com/matrix-org/gomatrixserverlib"
@ -27,9 +28,9 @@ import (
 	"github.com/sirupsen/logrus"

 	ironwoodtypes "github.com/Arceliar/ironwood/types"
-	yggdrasilconfig "github.com/yggdrasil-network/yggdrasil-go/src/config"
+	"github.com/yggdrasil-network/yggdrasil-go/src/core"
 	yggdrasilcore "github.com/yggdrasil-network/yggdrasil-go/src/core"
-	yggdrasildefaults "github.com/yggdrasil-network/yggdrasil-go/src/defaults"
+	"github.com/yggdrasil-network/yggdrasil-go/src/multicast"
 	yggdrasilmulticast "github.com/yggdrasil-network/yggdrasil-go/src/multicast"

 	gologme "github.com/gologme/log"
@ -37,7 +38,6 @@ import (

 type Node struct {
 	core      *yggdrasilcore.Core
-	config    *yggdrasilconfig.NodeConfig
 	multicast *yggdrasilmulticast.Multicast
 	log       *gologme.Logger
 	utpSocket *utp.Socket
@ -57,43 +57,52 @@ func (n *Node) DialerContext(ctx context.Context, _, address string) (net.Conn,

 func Setup(sk ed25519.PrivateKey, instanceName, storageDirectory, peerURI, listenURI string) (*Node, error) {
 	n := &Node{
-		core:      &yggdrasilcore.Core{},
-		config:    yggdrasildefaults.GenerateConfig(),
-		multicast: &yggdrasilmulticast.Multicast{},
-		log:       gologme.New(logrus.StandardLogger().Writer(), "", 0),
-		incoming:  make(chan net.Conn),
+		log:      gologme.New(logrus.StandardLogger().Writer(), "", 0),
+		incoming: make(chan net.Conn),
 	}

-	options := []yggdrasilcore.SetupOption{
-		yggdrasilcore.AdminListenAddress("none"),
-	}
-	if listenURI != "" {
-		options = append(options, yggdrasilcore.ListenAddress(listenURI))
-	}
-	if peerURI != "" {
-		for _, uri := range strings.Split(peerURI, ",") {
-			options = append(options, yggdrasilcore.Peer{
-				URI: uri,
-			})
-		}
-	}
-
-	var err error
-	if n.core, err = yggdrasilcore.New(sk, options...); err != nil {
-		panic(err)
-	}
 	n.log.EnableLevel("error")
 	n.log.EnableLevel("warn")
 	n.log.EnableLevel("info")
-	n.core.SetLogger(n.log)
-	if n.utpSocket, err = utp.NewSocketFromPacketConnNoClose(n.core); err != nil {
-		panic(err)
+
+	{
+		var err error
+		options := []yggdrasilcore.SetupOption{}
+		if listenURI != "" {
+			options = append(options, yggdrasilcore.ListenAddress(listenURI))
+		}
+		if peerURI != "" {
+			for _, uri := range strings.Split(peerURI, ",") {
+				options = append(options, yggdrasilcore.Peer{
+					URI: uri,
+				})
+			}
+		}
+		if n.core, err = core.New(sk[:], n.log, options...); err != nil {
+			panic(err)
+		}
+		n.core.SetLogger(n.log)
+
+		if n.utpSocket, err = utp.NewSocketFromPacketConnNoClose(n.core); err != nil {
+			panic(err)
+		}
 	}
-	if err = n.multicast.Init(n.core, n.config, n.log, nil); err != nil {
-		panic(err)
-	}
-	if err = n.multicast.Start(); err != nil {
-		panic(err)
+
+	// Setup the multicast module.
+	{
+		var err error
+		options := []multicast.SetupOption{
+			multicast.MulticastInterface{
+				Regex:    regexp.MustCompile(".*"),
+				Beacon:   true,
+				Listen:   true,
+				Port:     0,
+				Priority: 0,
+			},
+		}
+		if n.multicast, err = multicast.New(n.core, n.log, options...); err != nil {
+			panic(err)
+		}
 	}

 	n.log.Printf("Public key: %x", n.core.PublicKey())
@ -114,14 +123,7 @@ func (n *Node) DerivedServerName() string {
 }

 func (n *Node) PrivateKey() ed25519.PrivateKey {
-	sk := make(ed25519.PrivateKey, ed25519.PrivateKeySize)
-	sb, err := hex.DecodeString(n.config.PrivateKey)
-	if err == nil {
-		copy(sk, sb[:])
-	} else {
-		panic(err)
-	}
-	return sk
+	return n.core.PrivateKey()
 }

 func (n *Node) PublicKey() ed25519.PublicKey {
--- a/cmd/dendrite-monolith-server/main.go
+++ b/cmd/dendrite-monolith-server/main.go
@ -30,8 +30,6 @@ import (
 	"github.com/matrix-org/dendrite/userapi"
 	uapi "github.com/matrix-org/dendrite/userapi/api"
 	"github.com/sirupsen/logrus"
-
-	_ "github.com/mattn/go-sqlite3"
 )

 var (
--- a/cmd/dendrite-polylith-multi/main.go
+++ b/cmd/dendrite-polylith-multi/main.go
@ -24,8 +24,6 @@ import (
 	"github.com/matrix-org/dendrite/setup/base"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/sirupsen/logrus"
-
-	_ "github.com/mattn/go-sqlite3"
 )

 type entrypoint func(base *base.BaseDendrite, cfg *config.Dendrite)
--- a/dendrite-sample.monolith.yaml
+++ b/dendrite-sample.monolith.yaml
@ -18,12 +18,17 @@ global:
  private_key: matrix_key.pem

  # The paths and expiry timestamps (as a UNIX timestamp in millisecond precision)
-  # to old signing private keys that were formerly in use on this domain. These
+  # to old signing keys that were formerly in use on this domain name. These
  # keys will not be used for federation request or event signing, but will be
  # provided to any other homeserver that asks when trying to verify old events.
  old_private_keys:
+  #  If the old private key file is available:
  #  - private_key: old_matrix_key.pem
  #    expired_at: 1601024554498
+  #  If only the public key (in base64 format) and key ID are known:
+  #  - public_key: mn59Kxfdq9VziYHSBzI7+EDPDcBS2Xl7jeUdiiQcOnM=
+  #    key_id: ed25519:mykeyid
+  #    expired_at: 1601024554498

  # How long a remote server can cache our server signing key before requesting it
  # again. Increasing this number will reduce the number of requests made by other
@ -37,7 +42,7 @@ global:
  # you must configure the "database" block for each component instead.
  database:
    connection_string: postgresql://username:password@hostname/dendrite?sslmode=disable
-    max_open_conns: 100
+    max_open_conns: 90
    max_idle_conns: 5
    conn_max_lifetime: -1

@ -174,7 +179,13 @@ client_api:
  recaptcha_public_key: ""
  recaptcha_private_key: ""
  recaptcha_bypass_secret: ""
-  recaptcha_siteverify_api: ""
+  
+  # To use hcaptcha.com instead of ReCAPTCHA, set the following parameters, otherwise just keep them empty.
+  # recaptcha_siteverify_api: "https://hcaptcha.com/siteverify"
+  # recaptcha_api_js_url: "https://js.hcaptcha.com/1/api.js"
+  # recaptcha_form_field: "h-captcha-response"
+  # recaptcha_sitekey_class: "h-captcha"
+

  # TURN server information that this homeserver should send to clients.
  turn:
@ -305,6 +316,14 @@ user_api:
  # The default lifetime is 3600000ms (60 minutes).
  # openid_token_lifetime_ms: 3600000

+  # Users who register on this homeserver will automatically be joined to the rooms listed under "auto_join_rooms" option.
+  # By default, any room aliases included in this list will be created as a publicly joinable room
+  # when the first user registers for the homeserver. If the room already exists,
+  # make certain it is a publicly joinable room, i.e. the join rule of the room must be set to 'public'.
+  # As Spaces are just rooms under the hood, Space aliases may also be used.
+  auto_join_rooms:
+  #  - "#main:matrix.org"
+
 # Configuration for Opentracing.
 # See https://github.com/matrix-org/dendrite/tree/master/docs/tracing for information on
 # how this works and how to set it up.
--- a/dendrite-sample.polylith.yaml
+++ b/dendrite-sample.polylith.yaml
@ -18,12 +18,17 @@ global:
  private_key: matrix_key.pem

  # The paths and expiry timestamps (as a UNIX timestamp in millisecond precision)
-  # to old signing private keys that were formerly in use on this domain. These
+  # to old signing keys that were formerly in use on this domain name. These
  # keys will not be used for federation request or event signing, but will be
  # provided to any other homeserver that asks when trying to verify old events.
  old_private_keys:
+  #  If the old private key file is available:
  #  - private_key: old_matrix_key.pem
  #    expired_at: 1601024554498
+  #  If only the public key (in base64 format) and key ID are known:
+  #  - public_key: mn59Kxfdq9VziYHSBzI7+EDPDcBS2Xl7jeUdiiQcOnM=
+  #    key_id: ed25519:mykeyid
+  #    expired_at: 1601024554498

  # How long a remote server can cache our server signing key before requesting it
  # again. Increasing this number will reduce the number of requests made by other
@ -170,7 +175,13 @@ client_api:
  recaptcha_public_key: ""
  recaptcha_private_key: ""
  recaptcha_bypass_secret: ""
-  recaptcha_siteverify_api: ""
+
+  # To use hcaptcha.com instead of ReCAPTCHA, set the following parameters, otherwise just keep them empty.
+  # recaptcha_siteverify_api: "https://hcaptcha.com/siteverify"
+  # recaptcha_api_js_url: "https://js.hcaptcha.com/1/api.js"
+  # recaptcha_form_field: "h-captcha-response"
+  # recaptcha_sitekey_class: "h-captcha"
+

  # TURN server information that this homeserver should send to clients.
  turn:
@ -370,6 +381,14 @@ user_api:
  # The default lifetime is 3600000ms (60 minutes).
  # openid_token_lifetime_ms: 3600000

+  # Users who register on this homeserver will automatically be joined to the rooms listed under "auto_join_rooms" option.
+  # By default, any room aliases included in this list will be created as a publicly joinable room
+  # when the first user registers for the homeserver. If the room already exists,
+  # make certain it is a publicly joinable room, i.e. the join rule of the room must be set to 'public'.
+  # As Spaces are just rooms under the hood, Space aliases may also be used.
+  auto_join_rooms:
+  #  - "#main:matrix.org"
+
 # Configuration for Opentracing.
 # See https://github.com/matrix-org/dendrite/tree/master/docs/tracing for information on
 # how this works and how to set it up.
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@ -231,9 +231,9 @@ GEM
      jekyll-seo-tag (~> 2.1)
    minitest (5.15.0)
    multipart-post (2.1.1)
-    nokogiri (1.13.6-arm64-darwin)
+    nokogiri (1.13.9-arm64-darwin)
      racc (~> 1.4)
-    nokogiri (1.13.6-x86_64-linux)
+    nokogiri (1.13.9-x86_64-linux)
      racc (~> 1.4)
    octokit (4.22.0)
      faraday (>= 0.9)
--- a/docs/administration/1_createusers.md
+++ b/docs/administration/1_createusers.md
@ -1,4 +1,3 @@
-
 ---
 title: Creating user accounts
 parent: Administration
@ -15,7 +14,7 @@ User accounts can be created on a Dendrite instance in a number of ways.
 The `create-account` tool is built in the `bin` folder when building Dendrite with
 the `build.sh` script.

-It uses the `dendrite.yaml` configuration file to connect to a running Dendrite instance and requires 
+It uses the `dendrite.yaml` configuration file to connect to a running Dendrite instance and requires
 shared secret registration to be enabled as explained below.

 An example of using `create-account` to create a **normal account**:
@ -32,7 +31,7 @@ To create a new **admin account**, add the `-admin` flag:
 ./bin/create-account -config /path/to/dendrite.yaml -username USERNAME -admin
 ```

-By default `create-account` uses `http://localhost:8008` to connect to Dendrite, this can be overwritten using 
+By default `create-account` uses `http://localhost:8008` to connect to Dendrite, this can be overwritten using
 the `-url` flag:

 ```bash
@ -44,6 +43,7 @@ An example of using `create-account` when running in **Docker**, having found th
 ```bash
 docker exec -it CONTAINERNAME /usr/bin/create-account -config /path/to/dendrite.yaml -username USERNAME
 ```
+
 ```bash
 docker exec -it CONTAINERNAME /usr/bin/create-account -config /path/to/dendrite.yaml -username USERNAME -admin
 ```
--- a/docs/caddy/polylith/Caddyfile
+++ b/docs/caddy/polylith/Caddyfile
@ -1,66 +1,85 @@
-# Sample Caddyfile for using Caddy in front of Dendrite.
-#
-# Customize email address and domain names.
-# Optional settings commented out.
-#
-# BE SURE YOUR DOMAINS ARE POINTED AT YOUR SERVER FIRST.
-# Documentation: https://caddyserver.com/docs/
-#
-# Bonus tip: If your IP address changes, use Caddy's
-# dynamic DNS plugin to update your DNS records to
-# point to your new IP automatically:
-# https://github.com/mholt/caddy-dynamicdns
+# Sample Caddyfile for using Caddy in front of Dendrite
+
 #

+# Customize email address and domain names
+
+# Optional settings commented out
+
+#
+
+# BE SURE YOUR DOMAINS ARE POINTED AT YOUR SERVER FIRST
+
+# Documentation: <https://caddyserver.com/docs/>
+
+#
+
+# Bonus tip: If your IP address changes, use Caddy's
+
+# dynamic DNS plugin to update your DNS records to
+
+# point to your new IP automatically
+
+# <https://github.com/mholt/caddy-dynamicdns>
+
+#

 # Global options block
+
 {
-	# In case there is a problem with your certificates.
-	# email example@example.com
+ # In case there is a problem with your certificates.
+ # email example@example.com

-	# Turn off the admin endpoint if you don't need graceful config
-	# changes and/or are running untrusted code on your machine.
-	# admin off
+ # Turn off the admin endpoint if you don't need graceful config
+ # changes and/or are running untrusted code on your machine.
+ # admin off

-	# Enable this if your clients don't send ServerName in TLS handshakes.
-	# default_sni example.com
+ # Enable this if your clients don't send ServerName in TLS handshakes.
+ # default_sni example.com

-	# Enable debug mode for verbose logging.
-	# debug
+ # Enable debug mode for verbose logging.
+ # debug

-	# Use Let's Encrypt's staging endpoint for testing.
-	# acme_ca https://acme-staging-v02.api.letsencrypt.org/directory
+ # Use Let's Encrypt's staging endpoint for testing.
+ # acme_ca https://acme-staging-v02.api.letsencrypt.org/directory

-	# If you're port-forwarding HTTP/HTTPS ports from 80/443 to something
-	# else, enable these and put the alternate port numbers here.
-	# http_port  8080
-	# https_port 8443
+ # If you're port-forwarding HTTP/HTTPS ports from 80/443 to something
+ # else, enable these and put the alternate port numbers here.
+ # http_port  8080
+ # https_port 8443
 }

 # The server name of your matrix homeserver. This example shows
-# "well-known delegation" from the registered domain to a subdomain,
+
+# "well-known delegation" from the registered domain to a subdomain
+
 # which is only needed if your server_name doesn't match your Matrix
+
 # homeserver URL (i.e. you can show users a vanity domain that looks
+
 # nice and is easy to remember but still have your Matrix server on
-# its own subdomain or hosted service).
+
+# its own subdomain or hosted service)
+
 example.com {
-	header /.well-known/matrix/* Content-Type application/json
-	header /.well-known/matrix/* Access-Control-Allow-Origin *
-	respond /.well-known/matrix/server `{"m.server": "matrix.example.com:443"}`
-	respond /.well-known/matrix/client `{"m.homeserver": {"base_url": "https://matrix.example.com"}}`
+ header /.well-known/matrix/*Content-Type application/json
+ header /.well-known/matrix/* Access-Control-Allow-Origin *
+ respond /.well-known/matrix/server `{"m.server": "matrix.example.com:443"}`
+ respond /.well-known/matrix/client `{"m.homeserver": {"base_url": "https://matrix.example.com"}}`
 }

-# The actual domain name whereby your Matrix server is accessed.
+# The actual domain name whereby your Matrix server is accessed
+
 matrix.example.com {
-	# Change the end of each reverse_proxy line to the correct
-	# address for your various services.
-	@sync_api {
-		path_regexp /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/messages)$
-	}
-	reverse_proxy @sync_api sync_api:8073
+ # Change the end of each reverse_proxy line to the correct
+ # address for your various services.
+ @sync_api {
+  path_regexp /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|.*?_?members|context/.*?|relations/.*?|event/.*?))$
+ }
+ reverse_proxy @sync_api sync_api:8073

-	reverse_proxy /_matrix/client* client_api:8071
-	reverse_proxy /_matrix/federation* federation_api:8071
-	reverse_proxy /_matrix/key* federation_api:8071
-	reverse_proxy /_matrix/media* media_api:8071
+ reverse_proxy /_matrix/client* client_api:8071
+ reverse_proxy /_matrix/federation* federation_api:8071
+ reverse_proxy /_matrix/key* federation_api:8071
+ reverse_proxy /_matrix/media* media_api:8071
 }
--- a/docs/hiawatha/polylith-sample.conf
+++ b/docs/hiawatha/polylith-sample.conf
@ -18,8 +18,15 @@ VirtualHost {
        # /_matrix/client/.*/user/{userId}/filter/{filterID}
        # /_matrix/client/.*/keys/changes
        # /_matrix/client/.*/rooms/{roomId}/messages
+        # /_matrix/client/.*/rooms/{roomId}/context/{eventID}
+        # /_matrix/client/.*/rooms/{roomId}/event/{eventID}
+        # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}
+        # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}
+        # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}/{eventType}
+        # /_matrix/client/.*/rooms/{roomId}/members
+        # /_matrix/client/.*/rooms/{roomId}/joined_members
        # to sync_api
-        ReverseProxy = /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/messages) http://localhost:8073 600
+        ReverseProxy = /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|.*?_?members|context/.*?|relations/.*?|event/.*?))$ http://localhost:8073 600
        ReverseProxy = /_matrix/client http://localhost:8071 600
        ReverseProxy = /_matrix/federation http://localhost:8072 600
        ReverseProxy = /_matrix/key http://localhost:8072 600
--- a/docs/installation/11_optimisation.md
+++ b/docs/installation/11_optimisation.md
@ -11,6 +11,41 @@ permalink: /installation/start/optimisation
 Now that you have Dendrite running, the following tweaks will improve the reliability
 and performance of your installation.

+## PostgreSQL connection limit
+
+A PostgreSQL database engine is configured to allow only a certain number of connections.
+This is typically controlled by the `max_connections` and `superuser_reserved_connections`
+configuration items in `postgresql.conf`. Once these limits are violated, **PostgreSQL will
+immediately stop accepting new connections** until some of the existing connections are closed.
+This is a common source of misconfiguration and requires particular care.
+
+If your PostgreSQL `max_connections` is set to `100` and `superuser_reserved_connections` is
+set to `3` then you have an effective connection limit of 97 database connections. It is
+therefore important to ensure that Dendrite doesn't violate that limit, otherwise database
+queries will unexpectedly fail and this will cause problems both within Dendrite and for users.
+
+If you are also running other software that uses the same PostgreSQL database engine, then you
+must also take into account that some connections will be already used by your other software
+and therefore will not be available to Dendrite. Check the configuration of any other software
+using the same database engine for their configured connection limits and adjust your calculations
+accordingly.
+
+Dendrite has a `max_open_conns` configuration item in each `database` block to control how many
+connections it will open to the database.
+
+**If you are using the `global` database pool** then you only need to configure the
+`max_open_conns` setting once in the `global` section.
+
+**If you are defining a `database` config per component** then you will need to ensure that
+the **sum total** of all configured `max_open_conns` to a given database server do not exceed
+the connection limit. If you configure a total that adds up to more connections than are available
+then this will cause database queries to fail.
+
+You may wish to raise the `max_connections` limit on your PostgreSQL server to accommodate
+additional connections, in which case you should also update the `max_open_conns` in your
+Dendrite configuration accordingly. However be aware that this is only advisable on particularly
+powerful servers that can handle the concurrent load of additional queries running at one time.
+
 ## File descriptor limit

 Most platforms have a limit on how many file descriptors a single process can open. All
--- a/docs/nginx/polylith-sample.conf
+++ b/docs/nginx/polylith-sample.conf
@ -28,8 +28,15 @@ server {
    # /_matrix/client/.*/user/{userId}/filter/{filterID}
    # /_matrix/client/.*/keys/changes
    # /_matrix/client/.*/rooms/{roomId}/messages
+    # /_matrix/client/.*/rooms/{roomId}/context/{eventID}
+    # /_matrix/client/.*/rooms/{roomId}/event/{eventID}
+    # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}
+    # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}
+    # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}/{eventType}
+    # /_matrix/client/.*/rooms/{roomId}/members
+    # /_matrix/client/.*/rooms/{roomId}/joined_members
    # to sync_api
-    location ~ /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/messages)$  {
+    location ~ /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|.*?_?members|context/.*?|relations/.*?|event/.*?))$  {
        proxy_pass http://sync_api:8073;
    }

--- a/federationapi/api/api.go
+++ b/federationapi/api/api.go
@ -159,6 +159,7 @@ type PerformJoinRequest struct {
 	// The sorted list of servers to try. Servers will be tried sequentially, after de-duplication.
 	ServerNames types.ServerNames      `json:"server_names"`
 	Content     map[string]interface{} `json:"content"`
+	Unsigned    map[string]interface{} `json:"unsigned"`
 }

 type PerformJoinResponse struct {
--- a/federationapi/consumers/keychange.go
+++ b/federationapi/consumers/keychange.go
@ -18,6 +18,11 @@ import (
 	"context"
 	"encoding/json"

+	"github.com/getsentry/sentry-go"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/nats-io/nats.go"
+	"github.com/sirupsen/logrus"
+
 	"github.com/matrix-org/dendrite/federationapi/queue"
 	"github.com/matrix-org/dendrite/federationapi/storage"
 	"github.com/matrix-org/dendrite/federationapi/types"
@ -26,21 +31,18 @@ import (
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/setup/process"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/nats-io/nats.go"
-	"github.com/sirupsen/logrus"
 )

 // KeyChangeConsumer consumes events that originate in key server.
 type KeyChangeConsumer struct {
-	ctx        context.Context
-	jetstream  nats.JetStreamContext
-	durable    string
-	db         storage.Database
-	queues     *queue.OutgoingQueues
-	serverName gomatrixserverlib.ServerName
-	rsAPI      roomserverAPI.FederationRoomserverAPI
-	topic      string
+	ctx               context.Context
+	jetstream         nats.JetStreamContext
+	durable           string
+	db                storage.Database
+	queues            *queue.OutgoingQueues
+	isLocalServerName func(gomatrixserverlib.ServerName) bool
+	rsAPI             roomserverAPI.FederationRoomserverAPI
+	topic             string
 }

 // NewKeyChangeConsumer creates a new KeyChangeConsumer. Call Start() to begin consuming from key servers.
@ -53,14 +55,14 @@ func NewKeyChangeConsumer(
 	rsAPI roomserverAPI.FederationRoomserverAPI,
 ) *KeyChangeConsumer {
 	return &KeyChangeConsumer{
-		ctx:        process.Context(),
-		jetstream:  js,
-		durable:    cfg.Matrix.JetStream.Prefixed("FederationAPIKeyChangeConsumer"),
-		topic:      cfg.Matrix.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
-		queues:     queues,
-		db:         store,
-		serverName: cfg.Matrix.ServerName,
-		rsAPI:      rsAPI,
+		ctx:               process.Context(),
+		jetstream:         js,
+		durable:           cfg.Matrix.JetStream.Prefixed("FederationAPIKeyChangeConsumer"),
+		topic:             cfg.Matrix.JetStream.Prefixed(jetstream.OutputKeyChangeEvent),
+		queues:            queues,
+		db:                store,
+		isLocalServerName: cfg.Matrix.IsLocalServerName,
+		rsAPI:             rsAPI,
 	}
 }

@ -78,6 +80,7 @@ func (t *KeyChangeConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) boo
 	msg := msgs[0] // Guaranteed to exist if onMessage is called
 	var m api.DeviceMessage
 	if err := json.Unmarshal(msg.Data, &m); err != nil {
+		sentry.CaptureException(err)
 		logrus.WithError(err).Errorf("failed to read device message from key change topic")
 		return true
 	}
@ -105,10 +108,11 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 	// only send key change events which originated from us
 	_, originServerName, err := gomatrixserverlib.SplitID('@', m.UserID)
 	if err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("Failed to extract domain from key change event")
 		return true
 	}
-	if originServerName != t.serverName {
+	if !t.isLocalServerName(originServerName) {
 		return true
 	}

@ -118,6 +122,7 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 		WantMembership: "join",
 	}, &queryRes)
 	if err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("failed to calculate joined rooms for user")
 		return true
 	}
@ -125,6 +130,7 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 	// send this key change to all servers who share rooms with this user.
 	destinations, err := t.db.GetJoinedHostsForRooms(t.ctx, queryRes.RoomIDs, true)
 	if err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("failed to calculate joined hosts for rooms user is in")
 		return true
 	}
@ -135,7 +141,7 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 	// Pack the EDU and marshal it
 	edu := &gomatrixserverlib.EDU{
 		Type:   gomatrixserverlib.MDeviceListUpdate,
-		Origin: string(t.serverName),
+		Origin: string(originServerName),
 	}
 	event := gomatrixserverlib.DeviceListUpdateEvent{
 		UserID:            m.UserID,
@ -147,12 +153,13 @@ func (t *KeyChangeConsumer) onDeviceKeyMessage(m api.DeviceMessage) bool {
 		Keys:              m.KeyJSON,
 	}
 	if edu.Content, err = json.Marshal(event); err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("failed to marshal EDU JSON")
 		return true
 	}

 	logger.Debugf("Sending device list update message to %q", destinations)
-	err = t.queues.SendEDU(edu, t.serverName, destinations)
+	err = t.queues.SendEDU(edu, originServerName, destinations)
 	return err == nil
 }

@ -160,10 +167,11 @@ func (t *KeyChangeConsumer) onCrossSigningMessage(m api.DeviceMessage) bool {
 	output := m.CrossSigningKeyUpdate
 	_, host, err := gomatrixserverlib.SplitID('@', output.UserID)
 	if err != nil {
+		sentry.CaptureException(err)
 		logrus.WithError(err).Errorf("fedsender key change consumer: user ID parse failure")
 		return true
 	}
-	if host != gomatrixserverlib.ServerName(t.serverName) {
+	if !t.isLocalServerName(host) {
 		// Ignore any messages that didn't originate locally, otherwise we'll
 		// end up parroting information we received from other servers.
 		return true
@ -176,12 +184,14 @@ func (t *KeyChangeConsumer) onCrossSigningMessage(m api.DeviceMessage) bool {
 		WantMembership: "join",
 	}, &queryRes)
 	if err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("fedsender key change consumer: failed to calculate joined rooms for user")
 		return true
 	}
 	// send this key change to all servers who share rooms with this user.
 	destinations, err := t.db.GetJoinedHostsForRooms(t.ctx, queryRes.RoomIDs, true)
 	if err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("fedsender key change consumer: failed to calculate joined hosts for rooms user is in")
 		return true
 	}
@ -193,15 +203,16 @@ func (t *KeyChangeConsumer) onCrossSigningMessage(m api.DeviceMessage) bool {
 	// Pack the EDU and marshal it
 	edu := &gomatrixserverlib.EDU{
 		Type:   types.MSigningKeyUpdate,
-		Origin: string(t.serverName),
+		Origin: string(host),
 	}
 	if edu.Content, err = json.Marshal(output); err != nil {
+		sentry.CaptureException(err)
 		logger.WithError(err).Error("fedsender key change consumer: failed to marshal output, dropping")
 		return true
 	}

 	logger.Debugf("Sending cross-signing update message to %q", destinations)
-	err = t.queues.SendEDU(edu, t.serverName, destinations)
+	err = t.queues.SendEDU(edu, host, destinations)
 	return err == nil
 }

--- a/federationapi/consumers/presence.go
+++ b/federationapi/consumers/presence.go
@ -38,7 +38,7 @@ type OutputPresenceConsumer struct {
 	durable                 string
 	db                      storage.Database
 	queues                  *queue.OutgoingQueues
-	ServerName              gomatrixserverlib.ServerName
+	isLocalServerName       func(gomatrixserverlib.ServerName) bool
 	topic                   string
 	outboundPresenceEnabled bool
 }
@ -56,7 +56,7 @@ func NewOutputPresenceConsumer(
 		jetstream:               js,
 		queues:                  queues,
 		db:                      store,
-		ServerName:              cfg.Matrix.ServerName,
+		isLocalServerName:       cfg.Matrix.IsLocalServerName,
 		durable:                 cfg.Matrix.JetStream.Durable("FederationAPIPresenceConsumer"),
 		topic:                   cfg.Matrix.JetStream.Prefixed(jetstream.OutputPresenceEvent),
 		outboundPresenceEnabled: cfg.Matrix.Presence.EnableOutbound,
@ -85,7 +85,7 @@ func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg
 		log.WithError(err).WithField("user_id", userID).Error("failed to extract domain from receipt sender")
 		return true
 	}
-	if serverName != t.ServerName {
+	if !t.isLocalServerName(serverName) {
 		return true
 	}

@ -127,7 +127,7 @@ func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg

 	edu := &gomatrixserverlib.EDU{
 		Type:   gomatrixserverlib.MPresence,
-		Origin: string(t.ServerName),
+		Origin: string(serverName),
 	}
 	if edu.Content, err = json.Marshal(content); err != nil {
 		log.WithError(err).Error("failed to marshal EDU JSON")
@ -135,7 +135,7 @@ func (t *OutputPresenceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg
 	}

 	log.Tracef("sending presence EDU to %d servers", len(joined))
-	if err = t.queues.SendEDU(edu, t.ServerName, joined); err != nil {
+	if err = t.queues.SendEDU(edu, serverName, joined); err != nil {
 		log.WithError(err).Error("failed to send EDU")
 		return false
 	}
--- a/federationapi/consumers/receipts.go
+++ b/federationapi/consumers/receipts.go
@ -34,13 +34,13 @@ import (

 // OutputReceiptConsumer consumes events that originate in the clientapi.
 type OutputReceiptConsumer struct {
-	ctx        context.Context
-	jetstream  nats.JetStreamContext
-	durable    string
-	db         storage.Database
-	queues     *queue.OutgoingQueues
-	ServerName gomatrixserverlib.ServerName
-	topic      string
+	ctx               context.Context
+	jetstream         nats.JetStreamContext
+	durable           string
+	db                storage.Database
+	queues            *queue.OutgoingQueues
+	isLocalServerName func(gomatrixserverlib.ServerName) bool
+	topic             string
 }

 // NewOutputReceiptConsumer creates a new OutputReceiptConsumer. Call Start() to begin consuming typing events.
@ -52,13 +52,13 @@ func NewOutputReceiptConsumer(
 	store storage.Database,
 ) *OutputReceiptConsumer {
 	return &OutputReceiptConsumer{
-		ctx:        process.Context(),
-		jetstream:  js,
-		queues:     queues,
-		db:         store,
-		ServerName: cfg.Matrix.ServerName,
-		durable:    cfg.Matrix.JetStream.Durable("FederationAPIReceiptConsumer"),
-		topic:      cfg.Matrix.JetStream.Prefixed(jetstream.OutputReceiptEvent),
+		ctx:               process.Context(),
+		jetstream:         js,
+		queues:            queues,
+		db:                store,
+		isLocalServerName: cfg.Matrix.IsLocalServerName,
+		durable:           cfg.Matrix.JetStream.Durable("FederationAPIReceiptConsumer"),
+		topic:             cfg.Matrix.JetStream.Prefixed(jetstream.OutputReceiptEvent),
 	}
 }

@ -81,13 +81,21 @@ func (t *OutputReceiptConsumer) onMessage(ctx context.Context, msgs []*nats.Msg)
 		Type:    msg.Header.Get("type"),
 	}

+	switch receipt.Type {
+	case "m.read":
+		// These are allowed to be sent over federation
+	case "m.read.private", "m.fully_read":
+		// These must not be sent over federation
+		return true
+	}
+
 	// only send receipt events which originated from us
 	_, receiptServerName, err := gomatrixserverlib.SplitID('@', receipt.UserID)
 	if err != nil {
 		log.WithError(err).WithField("user_id", receipt.UserID).Error("failed to extract domain from receipt sender")
 		return true
 	}
-	if receiptServerName != t.ServerName {
+	if !t.isLocalServerName(receiptServerName) {
 		return true
 	}

@ -126,14 +134,14 @@ func (t *OutputReceiptConsumer) onMessage(ctx context.Context, msgs []*nats.Msg)

 	edu := &gomatrixserverlib.EDU{
 		Type:   gomatrixserverlib.MReceipt,
-		Origin: string(t.ServerName),
+		Origin: string(receiptServerName),
 	}
 	if edu.Content, err = json.Marshal(content); err != nil {
 		log.WithError(err).Error("failed to marshal EDU JSON")
 		return true
 	}

-	if err := t.queues.SendEDU(edu, t.ServerName, names); err != nil {
+	if err := t.queues.SendEDU(edu, receiptServerName, names); err != nil {
 		log.WithError(err).Error("failed to send EDU")
 		return false
 	}
--- a/federationapi/consumers/roomserver.go
+++ b/federationapi/consumers/roomserver.go
@ -79,6 +79,13 @@ func (s *OutputRoomEventConsumer) Start() error {
 // realises that it cannot update the room state using the deltas.
 func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
 	msg := msgs[0] // Guaranteed to exist if onMessage is called
+	receivedType := api.OutputType(msg.Header.Get(jetstream.RoomEventType))
+
+	// Only handle events we care about
+	if receivedType != api.OutputTypeNewRoomEvent && receivedType != api.OutputTypeNewInboundPeek {
+		return true
+	}
+
 	// Parse out the event JSON
 	var output api.OutputEvent
 	if err := json.Unmarshal(msg.Data, &output); err != nil {
--- a/federationapi/consumers/sendtodevice.go
+++ b/federationapi/consumers/sendtodevice.go
@ -18,27 +18,29 @@ import (
 	"context"
 	"encoding/json"

+	"github.com/getsentry/sentry-go"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+	"github.com/nats-io/nats.go"
+	log "github.com/sirupsen/logrus"
+
 	"github.com/matrix-org/dendrite/federationapi/queue"
 	"github.com/matrix-org/dendrite/federationapi/storage"
 	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/setup/process"
 	syncTypes "github.com/matrix-org/dendrite/syncapi/types"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
-	"github.com/nats-io/nats.go"
-	log "github.com/sirupsen/logrus"
 )

 // OutputSendToDeviceConsumer consumes events that originate in the clientapi.
 type OutputSendToDeviceConsumer struct {
-	ctx        context.Context
-	jetstream  nats.JetStreamContext
-	durable    string
-	db         storage.Database
-	queues     *queue.OutgoingQueues
-	ServerName gomatrixserverlib.ServerName
-	topic      string
+	ctx               context.Context
+	jetstream         nats.JetStreamContext
+	durable           string
+	db                storage.Database
+	queues            *queue.OutgoingQueues
+	isLocalServerName func(gomatrixserverlib.ServerName) bool
+	topic             string
 }

 // NewOutputSendToDeviceConsumer creates a new OutputSendToDeviceConsumer. Call Start() to begin consuming send-to-device events.
@ -50,13 +52,13 @@ func NewOutputSendToDeviceConsumer(
 	store storage.Database,
 ) *OutputSendToDeviceConsumer {
 	return &OutputSendToDeviceConsumer{
-		ctx:        process.Context(),
-		jetstream:  js,
-		queues:     queues,
-		db:         store,
-		ServerName: cfg.Matrix.ServerName,
-		durable:    cfg.Matrix.JetStream.Durable("FederationAPIESendToDeviceConsumer"),
-		topic:      cfg.Matrix.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
+		ctx:               process.Context(),
+		jetstream:         js,
+		queues:            queues,
+		db:                store,
+		isLocalServerName: cfg.Matrix.IsLocalServerName,
+		durable:           cfg.Matrix.JetStream.Durable("FederationAPIESendToDeviceConsumer"),
+		topic:             cfg.Matrix.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
 	}
 }

@ -76,34 +78,37 @@ func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msgs []*nats
 	sender := msg.Header.Get("sender")
 	_, originServerName, err := gomatrixserverlib.SplitID('@', sender)
 	if err != nil {
+		sentry.CaptureException(err)
 		log.WithError(err).WithField("user_id", sender).Error("Failed to extract domain from send-to-device sender")
 		return true
 	}
-	if originServerName != t.ServerName {
+	if !t.isLocalServerName(originServerName) {
 		return true
 	}
 	// Extract the send-to-device event from msg.
 	var ote syncTypes.OutputSendToDeviceEvent
 	if err = json.Unmarshal(msg.Data, &ote); err != nil {
+		sentry.CaptureException(err)
 		log.WithError(err).Errorf("output log: message parse failed (expected send-to-device)")
 		return true
 	}

 	_, destServerName, err := gomatrixserverlib.SplitID('@', ote.UserID)
 	if err != nil {
+		sentry.CaptureException(err)
 		log.WithError(err).WithField("user_id", ote.UserID).Error("Failed to extract domain from send-to-device destination")
 		return true
 	}

 	// The SyncAPI is already handling sendToDevice for the local server
-	if destServerName == t.ServerName {
+	if t.isLocalServerName(destServerName) {
 		return true
 	}

 	// Pack the EDU and marshal it
 	edu := &gomatrixserverlib.EDU{
 		Type:   gomatrixserverlib.MDirectToDevice,
-		Origin: string(t.ServerName),
+		Origin: string(originServerName),
 	}
 	tdm := gomatrixserverlib.ToDeviceMessage{
 		Sender:    ote.Sender,
@ -116,12 +121,13 @@ func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msgs []*nats
 		},
 	}
 	if edu.Content, err = json.Marshal(tdm); err != nil {
+		sentry.CaptureException(err)
 		log.WithError(err).Error("failed to marshal EDU JSON")
 		return true
 	}

 	log.Debugf("Sending send-to-device message into %q destination queue", destServerName)
-	if err := t.queues.SendEDU(edu, t.ServerName, []gomatrixserverlib.ServerName{destServerName}); err != nil {
+	if err := t.queues.SendEDU(edu, originServerName, []gomatrixserverlib.ServerName{destServerName}); err != nil {
 		log.WithError(err).Error("failed to send EDU")
 		return false
 	}
--- a/federationapi/consumers/typing.go
+++ b/federationapi/consumers/typing.go
@ -31,13 +31,13 @@ import (

 // OutputTypingConsumer consumes events that originate in the clientapi.
 type OutputTypingConsumer struct {
-	ctx        context.Context
-	jetstream  nats.JetStreamContext
-	durable    string
-	db         storage.Database
-	queues     *queue.OutgoingQueues
-	ServerName gomatrixserverlib.ServerName
-	topic      string
+	ctx               context.Context
+	jetstream         nats.JetStreamContext
+	durable           string
+	db                storage.Database
+	queues            *queue.OutgoingQueues
+	isLocalServerName func(gomatrixserverlib.ServerName) bool
+	topic             string
 }

 // NewOutputTypingConsumer creates a new OutputTypingConsumer. Call Start() to begin consuming typing events.
@ -49,13 +49,13 @@ func NewOutputTypingConsumer(
 	store storage.Database,
 ) *OutputTypingConsumer {
 	return &OutputTypingConsumer{
-		ctx:        process.Context(),
-		jetstream:  js,
-		queues:     queues,
-		db:         store,
-		ServerName: cfg.Matrix.ServerName,
-		durable:    cfg.Matrix.JetStream.Durable("FederationAPITypingConsumer"),
-		topic:      cfg.Matrix.JetStream.Prefixed(jetstream.OutputTypingEvent),
+		ctx:               process.Context(),
+		jetstream:         js,
+		queues:            queues,
+		db:                store,
+		isLocalServerName: cfg.Matrix.IsLocalServerName,
+		durable:           cfg.Matrix.JetStream.Durable("FederationAPITypingConsumer"),
+		topic:             cfg.Matrix.JetStream.Prefixed(jetstream.OutputTypingEvent),
 	}
 }

@ -87,7 +87,7 @@ func (t *OutputTypingConsumer) onMessage(ctx context.Context, msgs []*nats.Msg)
 		_ = msg.Ack()
 		return true
 	}
-	if typingServerName != t.ServerName {
+	if !t.isLocalServerName(typingServerName) {
 		return true
 	}

@ -111,7 +111,7 @@ func (t *OutputTypingConsumer) onMessage(ctx context.Context, msgs []*nats.Msg)
 		log.WithError(err).Error("failed to marshal EDU JSON")
 		return true
 	}
-	if err := t.queues.SendEDU(edu, t.ServerName, names); err != nil {
+	if err := t.queues.SendEDU(edu, typingServerName, names); err != nil {
 		log.WithError(err).Error("failed to send EDU")
 		return false
 	}
--- a/federationapi/federationapi.go
+++ b/federationapi/federationapi.go
@ -69,7 +69,7 @@ func AddPublicRoutes(
 		TopicPresenceEvent:     cfg.Matrix.JetStream.Prefixed(jetstream.OutputPresenceEvent),
 		TopicDeviceListUpdate:  cfg.Matrix.JetStream.Prefixed(jetstream.InputDeviceListUpdate),
 		TopicSigningKeyUpdate:  cfg.Matrix.JetStream.Prefixed(jetstream.InputSigningKeyUpdate),
-		ServerName:             cfg.Matrix.ServerName,
+		Config:                 cfg,
 		UserAPI:                userAPI,
 	}

@ -107,7 +107,7 @@ func NewInternalAPI(
 ) api.FederationInternalAPI {
 	cfg := &base.Cfg.FederationAPI

-	federationDB, err := storage.NewDatabase(base, &cfg.Database, base.Caches, base.Cfg.Global.ServerName)
+	federationDB, err := storage.NewDatabase(base, &cfg.Database, base.Caches, base.Cfg.Global.IsLocalServerName)
 	if err != nil {
 		logrus.WithError(err).Panic("failed to connect to federation sender db")
 	}
@ -116,17 +116,14 @@ func NewInternalAPI(
 		_ = federationDB.RemoveAllServersFromBlacklist()
 	}

-	stats := &statistics.Statistics{
-		DB:                     federationDB,
-		FailuresUntilBlacklist: cfg.FederationMaxRetries,
-	}
+	stats := statistics.NewStatistics(federationDB, cfg.FederationMaxRetries+1)

 	js, _ := base.NATS.Prepare(base.ProcessContext, &cfg.Matrix.JetStream)

 	queues := queue.NewOutgoingQueues(
 		federationDB, base.ProcessContext,
 		cfg.Matrix.DisableFederation,
-		cfg.Matrix.ServerName, federation, rsAPI, stats,
+		cfg.Matrix.ServerName, federation, rsAPI, &stats,
 		&queue.SigningInfo{
 			KeyID:      cfg.Matrix.KeyID,
 			PrivateKey: cfg.Matrix.PrivateKey,
@ -183,5 +180,5 @@ func NewInternalAPI(
 	}
 	time.AfterFunc(time.Minute, cleanExpiredEDUs)

-	return internal.NewFederationInternalAPI(federationDB, cfg, rsAPI, federation, stats, caches, queues, keyRing)
+	return internal.NewFederationInternalAPI(federationDB, cfg, rsAPI, federation, &stats, caches, queues, keyRing)
 }
--- a/federationapi/federationapi_keys_test.go
+++ b/federationapi/federationapi_keys_test.go
@ -87,6 +87,7 @@ func TestMain(m *testing.M) {
 			cfg.Global.JetStream.StoragePath = config.Path(d)
 			cfg.Global.KeyID = serverKeyID
 			cfg.Global.KeyValidityPeriod = s.validity
+			cfg.FederationAPI.KeyPerspectives = nil
 			f, err := os.CreateTemp(d, "federation_keys_test*.db")
 			if err != nil {
 				return -1
@ -207,7 +208,6 @@ func TestRenewalBehaviour(t *testing.T) {
 	// happy at this point that the key that we already have is from the past
 	// then repeating a key fetch should cause us to try and renew the key.
 	// If so, then the new key will end up in our cache.
-
 	serverC.renew()

 	res, err = serverA.api.FetchKeys(
--- a/federationapi/federationapi_test.go
+++ b/federationapi/federationapi_test.go
@ -164,6 +164,7 @@ func TestFederationAPIJoinThenKeyUpdate(t *testing.T) {
 func testFederationAPIJoinThenKeyUpdate(t *testing.T, dbType test.DBType) {
 	base, close := testrig.CreateBaseDendrite(t, dbType)
 	base.Cfg.FederationAPI.PreferDirectFetch = true
+	base.Cfg.FederationAPI.KeyPerspectives = nil
 	defer close()
 	jsctx, _ := base.NATS.Prepare(base.ProcessContext, &base.Cfg.Global.JetStream)
 	defer jetstream.DeleteAllStreams(jsctx, &base.Cfg.Global.JetStream)
--- a/federationapi/internal/federationclient.go
+++ b/federationapi/internal/federationclient.go
@ -44,7 +44,7 @@ func (a *FederationInternalAPI) ClaimKeys(
 ) (gomatrixserverlib.RespClaimKeys, error) {
 	ctx, cancel := context.WithTimeout(ctx, time.Second*30)
 	defer cancel()
-	ires, err := a.doRequestIfNotBackingOffOrBlacklisted(s, func() (interface{}, error) {
+	ires, err := a.doRequestIfNotBlacklisted(s, func() (interface{}, error) {
 		return a.federation.ClaimKeys(ctx, s, oneTimeKeys)
 	})
 	if err != nil {
--- a/federationapi/internal/keys.go
+++ b/federationapi/internal/keys.go
@ -99,7 +99,7 @@ func (s *FederationInternalAPI) handleLocalKeys(
 	results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
 ) {
 	for req := range requests {
-		if req.ServerName != s.cfg.Matrix.ServerName {
+		if !s.cfg.Matrix.IsLocalServerName(req.ServerName) {
 			continue
 		}
 		if req.KeyID == s.cfg.Matrix.KeyID {
--- a/federationapi/internal/perform.go
+++ b/federationapi/internal/perform.go
@ -7,14 +7,15 @@ import (
 	"fmt"
 	"time"

-	"github.com/matrix-org/dendrite/federationapi/api"
-	"github.com/matrix-org/dendrite/federationapi/consumers"
-	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/dendrite/roomserver/version"
 	"github.com/matrix-org/gomatrix"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 	"github.com/sirupsen/logrus"
+
+	"github.com/matrix-org/dendrite/federationapi/api"
+	"github.com/matrix-org/dendrite/federationapi/consumers"
+	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
+	"github.com/matrix-org/dendrite/roomserver/version"
 )

 // PerformLeaveRequest implements api.FederationInternalAPI
@ -76,7 +77,7 @@ func (r *FederationInternalAPI) PerformJoin(
 	seenSet := make(map[gomatrixserverlib.ServerName]bool)
 	var uniqueList []gomatrixserverlib.ServerName
 	for _, srv := range request.ServerNames {
-		if seenSet[srv] || srv == r.cfg.Matrix.ServerName {
+		if seenSet[srv] || r.cfg.Matrix.IsLocalServerName(srv) {
 			continue
 		}
 		seenSet[srv] = true
@ -95,6 +96,7 @@ func (r *FederationInternalAPI) PerformJoin(
 			request.Content,
 			serverName,
 			supportedVersions,
+			request.Unsigned,
 		); err != nil {
 			logrus.WithError(err).WithFields(logrus.Fields{
 				"server_name": serverName,
@ -139,6 +141,7 @@ func (r *FederationInternalAPI) performJoinUsingServer(
 	content map[string]interface{},
 	serverName gomatrixserverlib.ServerName,
 	supportedVersions []gomatrixserverlib.RoomVersion,
+	unsigned map[string]interface{},
 ) error {
 	// Try to perform a make_join using the information supplied in the
 	// request.
@ -259,7 +262,7 @@ func (r *FederationInternalAPI) performJoinUsingServer(
 	if err != nil {
 		return fmt.Errorf("JoinedHostsFromEvents: failed to get joined hosts: %s", err)
 	}
-	logrus.WithField("hosts", joinedHosts).WithField("room", roomID).Info("Joined federated room with hosts")
+	logrus.WithField("room", roomID).Infof("Joined federated room with %d hosts", len(joinedHosts))
 	if _, err = r.db.UpdateRoom(context.Background(), roomID, joinedHosts, nil, true); err != nil {
 		return fmt.Errorf("UpdatedRoom: failed to update room with joined hosts: %s", err)
 	}
@ -267,6 +270,14 @@ func (r *FederationInternalAPI) performJoinUsingServer(
 	// If we successfully performed a send_join above then the other
 	// server now thinks we're a part of the room. Send the newly
 	// returned state to the roomserver to update our local view.
+	if unsigned != nil {
+		event, err = event.SetUnsigned(unsigned)
+		if err != nil {
+			// non-fatal, log and continue
+			logrus.WithError(err).Errorf("Failed to set unsigned content")
+		}
+	}
+
 	if err = roomserverAPI.SendEventWithState(
 		context.Background(),
 		r.rsAPI,
--- a/federationapi/producers/syncapi.go
+++ b/federationapi/producers/syncapi.go
@ -25,6 +25,7 @@ import (
 	"github.com/nats-io/nats.go"
 	log "github.com/sirupsen/logrus"

+	"github.com/matrix-org/dendrite/setup/config"
 	"github.com/matrix-org/dendrite/setup/jetstream"
 	"github.com/matrix-org/dendrite/syncapi/types"
 	userapi "github.com/matrix-org/dendrite/userapi/api"
@ -39,7 +40,7 @@ type SyncAPIProducer struct {
 	TopicDeviceListUpdate  string
 	TopicSigningKeyUpdate  string
 	JetStream              nats.JetStreamContext
-	ServerName             gomatrixserverlib.ServerName
+	Config                 *config.FederationAPI
 	UserAPI                userapi.UserInternalAPI
 }

@ -77,7 +78,7 @@ func (p *SyncAPIProducer) SendToDevice(
 	// device. If the event isn't targeted locally then we can't expand the
 	// wildcard as we don't know about the remote devices, so instead we leave it
 	// as-is, so that the federation sender can send it on with the wildcard intact.
-	if domain == p.ServerName && deviceID == "*" {
+	if p.Config.Matrix.IsLocalServerName(domain) && deviceID == "*" {
 		var res userapi.QueryDevicesResponse
 		err = p.UserAPI.QueryDevices(context.TODO(), &userapi.QueryDevicesRequest{
 			UserID: userID,
--- a/federationapi/queue/destinationqueue.go
+++ b/federationapi/queue/destinationqueue.go
@ -21,21 +21,22 @@ import (
 	"sync"
 	"time"

+	"github.com/matrix-org/gomatrix"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/sirupsen/logrus"
+	"go.uber.org/atomic"
+
 	fedapi "github.com/matrix-org/dendrite/federationapi/api"
 	"github.com/matrix-org/dendrite/federationapi/statistics"
 	"github.com/matrix-org/dendrite/federationapi/storage"
 	"github.com/matrix-org/dendrite/federationapi/storage/shared"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/dendrite/setup/process"
-	"github.com/matrix-org/gomatrix"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/sirupsen/logrus"
-	"go.uber.org/atomic"
 )

 const (
 	maxPDUsPerTransaction = 50
-	maxEDUsPerTransaction = 50
+	maxEDUsPerTransaction = 100
 	maxPDUsInMemory       = 128
 	maxEDUsInMemory       = 128
 	queueIdleTimeout      = time.Second * 30
@ -64,7 +65,6 @@ type destinationQueue struct {
 	pendingPDUs        []*queuedPDU                    // PDUs waiting to be sent
 	pendingEDUs        []*queuedEDU                    // EDUs waiting to be sent
 	pendingMutex       sync.RWMutex                    // protects pendingPDUs and pendingEDUs
-	interruptBackoff   chan bool                       // interrupts backoff
 }

 // Send event adds the event to the pending queue for the destination.
@ -75,18 +75,7 @@ func (oq *destinationQueue) sendEvent(event *gomatrixserverlib.HeaderedEvent, re
 		logrus.Errorf("attempt to send nil PDU with destination %q", oq.destination)
 		return
 	}
-	// Create a database entry that associates the given PDU NID with
-	// this destination queue. We'll then be able to retrieve the PDU
-	// later.
-	if err := oq.db.AssociatePDUWithDestination(
-		oq.process.Context(),
-		"",             // TODO: remove this, as we don't need to persist the transaction ID
-		oq.destination, // the destination server name
-		receipt,        // NIDs from federationapi_queue_json table
-	); err != nil {
-		logrus.WithError(err).Errorf("failed to associate PDU %q with destination %q", event.EventID(), oq.destination)
-		return
-	}
+
 	// Check if the destination is blacklisted. If it isn't then wake
 	// up the queue.
 	if !oq.statistics.Blacklisted() {
@ -102,11 +91,9 @@ func (oq *destinationQueue) sendEvent(event *gomatrixserverlib.HeaderedEvent, re
 			oq.overflowed.Store(true)
 		}
 		oq.pendingMutex.Unlock()
-		// Wake up the queue if it's asleep.
-		oq.wakeQueueIfNeeded()
-		select {
-		case oq.notify <- struct{}{}:
-		default:
+
+		if !oq.backingOff.Load() {
+			oq.wakeQueueAndNotify()
 		}
 	}
 }
@ -119,19 +106,7 @@ func (oq *destinationQueue) sendEDU(event *gomatrixserverlib.EDU, receipt *share
 		logrus.Errorf("attempt to send nil EDU with destination %q", oq.destination)
 		return
 	}
-	// Create a database entry that associates the given PDU NID with
-	// this destination queue. We'll then be able to retrieve the PDU
-	// later.
-	if err := oq.db.AssociateEDUWithDestination(
-		oq.process.Context(),
-		oq.destination, // the destination server name
-		receipt,        // NIDs from federationapi_queue_json table
-		event.Type,
-		nil, // this will use the default expireEDUTypes map
-	); err != nil {
-		logrus.WithError(err).Errorf("failed to associate EDU with destination %q", oq.destination)
-		return
-	}
+
 	// Check if the destination is blacklisted. If it isn't then wake
 	// up the queue.
 	if !oq.statistics.Blacklisted() {
@ -147,24 +122,48 @@ func (oq *destinationQueue) sendEDU(event *gomatrixserverlib.EDU, receipt *share
 			oq.overflowed.Store(true)
 		}
 		oq.pendingMutex.Unlock()
-		// Wake up the queue if it's asleep.
-		oq.wakeQueueIfNeeded()
-		select {
-		case oq.notify <- struct{}{}:
-		default:
+
+		if !oq.backingOff.Load() {
+			oq.wakeQueueAndNotify()
 		}
 	}
 }

+// handleBackoffNotifier is registered as the backoff notification
+// callback with Statistics. It will wakeup and notify the queue
+// if the queue is currently backing off.
+func (oq *destinationQueue) handleBackoffNotifier() {
+	// Only wake up the queue if it is backing off.
+	// Otherwise there is no pending work for the queue to handle
+	// so waking the queue would be a waste of resources.
+	if oq.backingOff.Load() {
+		oq.wakeQueueAndNotify()
+	}
+}
+
+// wakeQueueAndNotify ensures the destination queue is running and notifies it
+// that there is pending work.
+func (oq *destinationQueue) wakeQueueAndNotify() {
+	// Wake up the queue if it's asleep.
+	oq.wakeQueueIfNeeded()
+
+	// Notify the queue that there are events ready to send.
+	select {
+	case oq.notify <- struct{}{}:
+	default:
+	}
+}
+
 // wakeQueueIfNeeded will wake up the destination queue if it is
 // not already running. If it is running but it is backing off
 // then we will interrupt the backoff, causing any federation
 // requests to retry.
 func (oq *destinationQueue) wakeQueueIfNeeded() {
-	// If we are backing off then interrupt the backoff.
+	// Clear the backingOff flag and update the backoff metrics if it was set.
 	if oq.backingOff.CompareAndSwap(true, false) {
-		oq.interruptBackoff <- true
+		destinationQueueBackingOff.Dec()
 	}
+
 	// If we aren't running then wake up the queue.
 	if !oq.running.Load() {
 		// Start the queue.
@ -196,38 +195,54 @@ func (oq *destinationQueue) getPendingFromDatabase() {
 		gotEDUs[edu.receipt.String()] = struct{}{}
 	}

+	overflowed := false
 	if pduCapacity := maxPDUsInMemory - len(oq.pendingPDUs); pduCapacity > 0 {
 		// We have room in memory for some PDUs - let's request no more than that.
-		if pdus, err := oq.db.GetPendingPDUs(ctx, oq.destination, pduCapacity); err == nil {
+		if pdus, err := oq.db.GetPendingPDUs(ctx, oq.destination, maxPDUsInMemory); err == nil {
+			if len(pdus) == maxPDUsInMemory {
+				overflowed = true
+			}
 			for receipt, pdu := range pdus {
 				if _, ok := gotPDUs[receipt.String()]; ok {
 					continue
 				}
 				oq.pendingPDUs = append(oq.pendingPDUs, &queuedPDU{receipt, pdu})
 				retrieved = true
+				if len(oq.pendingPDUs) == maxPDUsInMemory {
+					break
+				}
 			}
 		} else {
 			logrus.WithError(err).Errorf("Failed to get pending PDUs for %q", oq.destination)
 		}
 	}
+
 	if eduCapacity := maxEDUsInMemory - len(oq.pendingEDUs); eduCapacity > 0 {
 		// We have room in memory for some EDUs - let's request no more than that.
-		if edus, err := oq.db.GetPendingEDUs(ctx, oq.destination, eduCapacity); err == nil {
+		if edus, err := oq.db.GetPendingEDUs(ctx, oq.destination, maxEDUsInMemory); err == nil {
+			if len(edus) == maxEDUsInMemory {
+				overflowed = true
+			}
 			for receipt, edu := range edus {
 				if _, ok := gotEDUs[receipt.String()]; ok {
 					continue
 				}
 				oq.pendingEDUs = append(oq.pendingEDUs, &queuedEDU{receipt, edu})
 				retrieved = true
+				if len(oq.pendingEDUs) == maxEDUsInMemory {
+					break
+				}
 			}
 		} else {
 			logrus.WithError(err).Errorf("Failed to get pending EDUs for %q", oq.destination)
 		}
 	}
+
 	// If we've retrieved all of the events from the database with room to spare
 	// in memory then we'll no longer consider this queue to be overflowed.
-	if len(oq.pendingPDUs) < maxPDUsInMemory && len(oq.pendingEDUs) < maxEDUsInMemory {
+	if !overflowed {
 		oq.overflowed.Store(false)
+	} else {
 	}
 	// If we've retrieved some events then notify the destination queue goroutine.
 	if retrieved {
@ -238,6 +253,24 @@ func (oq *destinationQueue) getPendingFromDatabase() {
 	}
 }

+// checkNotificationsOnClose checks for any remaining notifications
+// and starts a new backgroundSend goroutine if any exist.
+func (oq *destinationQueue) checkNotificationsOnClose() {
+	// NOTE : If we are stopping the queue due to blacklist then it
+	// doesn't matter if we have been notified of new work since
+	// this queue instance will be deleted anyway.
+	if !oq.statistics.Blacklisted() {
+		select {
+		case <-oq.notify:
+			// We received a new notification in between the
+			// idle timeout firing and stopping the goroutine.
+			// Immediately restart the queue.
+			oq.wakeQueueAndNotify()
+		default:
+		}
+	}
+}
+
 // backgroundSend is the worker goroutine for sending events.
 func (oq *destinationQueue) backgroundSend() {
 	// Check if a worker is already running, and if it isn't, then
@ -245,10 +278,17 @@ func (oq *destinationQueue) backgroundSend() {
 	if !oq.running.CompareAndSwap(false, true) {
 		return
 	}
+
+	// Register queue cleanup functions.
+	// NOTE : The ordering here is very intentional.
+	defer oq.checkNotificationsOnClose()
+	defer oq.running.Store(false)
+
 	destinationQueueRunning.Inc()
 	defer destinationQueueRunning.Dec()
-	defer oq.queues.clearQueue(oq)
-	defer oq.running.Store(false)
+
+	idleTimeout := time.NewTimer(queueIdleTimeout)
+	defer idleTimeout.Stop()

 	// Mark the queue as overflowed, so we will consult the database
 	// to see if there's anything new to send.
@ -261,59 +301,33 @@ func (oq *destinationQueue) backgroundSend() {
 			oq.getPendingFromDatabase()
 		}

+		// Reset the queue idle timeout.
+		if !idleTimeout.Stop() {
+			select {
+			case <-idleTimeout.C:
+			default:
+			}
+		}
+		idleTimeout.Reset(queueIdleTimeout)
+
 		// If we have nothing to do then wait either for incoming events, or
 		// until we hit an idle timeout.
 		select {
 		case <-oq.notify:
 			// There's work to do, either because getPendingFromDatabase
-			// told us there is, or because a new event has come in via
-			// sendEvent/sendEDU.
-		case <-time.After(queueIdleTimeout):
+			// told us there is, a new event has come in via sendEvent/sendEDU,
+			// or we are backing off and it is time to retry.
+		case <-idleTimeout.C:
 			// The worker is idle so stop the goroutine. It'll get
 			// restarted automatically the next time we have an event to
 			// send.
 			return
 		case <-oq.process.Context().Done():
 			// The parent process is shutting down, so stop.
+			oq.statistics.ClearBackoff()
 			return
 		}

-		// If we are backing off this server then wait for the
-		// backoff duration to complete first, or until explicitly
-		// told to retry.
-		until, blacklisted := oq.statistics.BackoffInfo()
-		if blacklisted {
-			// It's been suggested that we should give up because the backoff
-			// has exceeded a maximum allowable value. Clean up the in-memory
-			// buffers at this point. The PDU clean-up is already on a defer.
-			logrus.Warnf("Blacklisting %q due to exceeding backoff threshold", oq.destination)
-			oq.pendingMutex.Lock()
-			for i := range oq.pendingPDUs {
-				oq.pendingPDUs[i] = nil
-			}
-			for i := range oq.pendingEDUs {
-				oq.pendingEDUs[i] = nil
-			}
-			oq.pendingPDUs = nil
-			oq.pendingEDUs = nil
-			oq.pendingMutex.Unlock()
-			return
-		}
-		if until != nil && until.After(time.Now()) {
-			// We haven't backed off yet, so wait for the suggested amount of
-			// time.
-			duration := time.Until(*until)
-			logrus.Debugf("Backing off %q for %s", oq.destination, duration)
-			oq.backingOff.Store(true)
-			destinationQueueBackingOff.Inc()
-			select {
-			case <-time.After(duration):
-			case <-oq.interruptBackoff:
-			}
-			destinationQueueBackingOff.Dec()
-			oq.backingOff.Store(false)
-		}
-
 		// Work out which PDUs/EDUs to include in the next transaction.
 		oq.pendingMutex.RLock()
 		pduCount := len(oq.pendingPDUs)
@ -328,99 +342,52 @@ func (oq *destinationQueue) backgroundSend() {
 		toSendEDUs := oq.pendingEDUs[:eduCount]
 		oq.pendingMutex.RUnlock()

+		// If we didn't get anything from the database and there are no
+		// pending EDUs then there's nothing to do - stop here.
+		if pduCount == 0 && eduCount == 0 {
+			continue
+		}
+
 		// If we have pending PDUs or EDUs then construct a transaction.
 		// Try sending the next transaction and see what happens.
-		transaction, pc, ec, terr := oq.nextTransaction(toSendPDUs, toSendEDUs)
+		terr := oq.nextTransaction(toSendPDUs, toSendEDUs)
 		if terr != nil {
 			// We failed to send the transaction. Mark it as a failure.
-			oq.statistics.Failure()
-
-		} else if transaction {
-			// If we successfully sent the transaction then clear out
-			// the pending events and EDUs, and wipe our transaction ID.
-			oq.statistics.Success()
-			oq.pendingMutex.Lock()
-			for i := range oq.pendingPDUs[:pc] {
-				oq.pendingPDUs[i] = nil
+			_, blacklisted := oq.statistics.Failure()
+			if !blacklisted {
+				// Register the backoff state and exit the goroutine.
+				// It'll get restarted automatically when the backoff
+				// completes.
+				oq.backingOff.Store(true)
+				destinationQueueBackingOff.Inc()
+				return
+			} else {
+				// Immediately trigger the blacklist logic.
+				oq.blacklistDestination()
+				return
 			}
-			for i := range oq.pendingEDUs[:ec] {
-				oq.pendingEDUs[i] = nil
-			}
-			oq.pendingPDUs = oq.pendingPDUs[pc:]
-			oq.pendingEDUs = oq.pendingEDUs[ec:]
-			oq.pendingMutex.Unlock()
+		} else {
+			oq.handleTransactionSuccess(pduCount, eduCount)
 		}
 	}
 }

 // nextTransaction creates a new transaction from the pending event
-// queue and sends it. Returns true if a transaction was sent or
-// false otherwise.
+// queue and sends it.
+// Returns an error if the transaction wasn't sent.
 func (oq *destinationQueue) nextTransaction(
 	pdus []*queuedPDU,
 	edus []*queuedEDU,
-) (bool, int, int, error) {
-	// If there's no projected transaction ID then generate one. If
-	// the transaction succeeds then we'll set it back to "" so that
-	// we generate a new one next time. If it fails, we'll preserve
-	// it so that we retry with the same transaction ID.
-	oq.transactionIDMutex.Lock()
-	if oq.transactionID == "" {
-		now := gomatrixserverlib.AsTimestamp(time.Now())
-		oq.transactionID = gomatrixserverlib.TransactionID(fmt.Sprintf("%d-%d", now, oq.statistics.SuccessCount()))
-	}
-	oq.transactionIDMutex.Unlock()
-
+) error {
 	// Create the transaction.
-	t := gomatrixserverlib.Transaction{
-		PDUs: []json.RawMessage{},
-		EDUs: []gomatrixserverlib.EDU{},
-	}
-	t.Origin = oq.origin
-	t.Destination = oq.destination
-	t.OriginServerTS = gomatrixserverlib.AsTimestamp(time.Now())
-	t.TransactionID = oq.transactionID
-
-	// If we didn't get anything from the database and there are no
-	// pending EDUs then there's nothing to do - stop here.
-	if len(pdus) == 0 && len(edus) == 0 {
-		return false, 0, 0, nil
-	}
-
-	var pduReceipts []*shared.Receipt
-	var eduReceipts []*shared.Receipt
-
-	// Go through PDUs that we retrieved from the database, if any,
-	// and add them into the transaction.
-	for _, pdu := range pdus {
-		if pdu == nil || pdu.pdu == nil {
-			continue
-		}
-		// Append the JSON of the event, since this is a json.RawMessage type in the
-		// gomatrixserverlib.Transaction struct
-		t.PDUs = append(t.PDUs, pdu.pdu.JSON())
-		pduReceipts = append(pduReceipts, pdu.receipt)
-	}
-
-	// Do the same for pending EDUS in the queue.
-	for _, edu := range edus {
-		if edu == nil || edu.edu == nil {
-			continue
-		}
-		t.EDUs = append(t.EDUs, *edu.edu)
-		eduReceipts = append(eduReceipts, edu.receipt)
-	}
-
+	t, pduReceipts, eduReceipts := oq.createTransaction(pdus, edus)
 	logrus.WithField("server_name", oq.destination).Debugf("Sending transaction %q containing %d PDUs, %d EDUs", t.TransactionID, len(t.PDUs), len(t.EDUs))

 	// Try to send the transaction to the destination server.
-	// TODO: we should check for 500-ish fails vs 400-ish here,
-	// since we shouldn't queue things indefinitely in response
-	// to a 400-ish error
 	ctx, cancel := context.WithTimeout(oq.process.Context(), time.Minute*5)
 	defer cancel()
 	_, err := oq.client.SendTransaction(ctx, t)
-	switch err.(type) {
+	switch errResponse := err.(type) {
 	case nil:
 		// Clean up the transaction in the database.
 		if pduReceipts != nil {
@ -439,16 +406,129 @@ func (oq *destinationQueue) nextTransaction(
 		oq.transactionIDMutex.Lock()
 		oq.transactionID = ""
 		oq.transactionIDMutex.Unlock()
-		return true, len(t.PDUs), len(t.EDUs), nil
+		return nil
 	case gomatrix.HTTPError:
 		// Report that we failed to send the transaction and we
 		// will retry again, subject to backoff.
-		return false, 0, 0, err
+
+		// TODO: we should check for 500-ish fails vs 400-ish here,
+		// since we shouldn't queue things indefinitely in response
+		// to a 400-ish error
+		code := errResponse.Code
+		logrus.Debug("Transaction failed with HTTP", code)
+		return err
 	default:
 		logrus.WithFields(logrus.Fields{
 			"destination":   oq.destination,
 			logrus.ErrorKey: err,
 		}).Debugf("Failed to send transaction %q", t.TransactionID)
-		return false, 0, 0, err
+		return err
+	}
+}
+
+// createTransaction generates a gomatrixserverlib.Transaction from the provided pdus and edus.
+// It also returns the associated event receipts so they can be cleaned from the database in
+// the case of a successful transaction.
+func (oq *destinationQueue) createTransaction(
+	pdus []*queuedPDU,
+	edus []*queuedEDU,
+) (gomatrixserverlib.Transaction, []*shared.Receipt, []*shared.Receipt) {
+	// If there's no projected transaction ID then generate one. If
+	// the transaction succeeds then we'll set it back to "" so that
+	// we generate a new one next time. If it fails, we'll preserve
+	// it so that we retry with the same transaction ID.
+	oq.transactionIDMutex.Lock()
+	if oq.transactionID == "" {
+		now := gomatrixserverlib.AsTimestamp(time.Now())
+		oq.transactionID = gomatrixserverlib.TransactionID(fmt.Sprintf("%d-%d", now, oq.statistics.SuccessCount()))
+	}
+	oq.transactionIDMutex.Unlock()
+
+	t := gomatrixserverlib.Transaction{
+		PDUs: []json.RawMessage{},
+		EDUs: []gomatrixserverlib.EDU{},
+	}
+	t.Origin = oq.origin
+	t.Destination = oq.destination
+	t.OriginServerTS = gomatrixserverlib.AsTimestamp(time.Now())
+	t.TransactionID = oq.transactionID
+
+	var pduReceipts []*shared.Receipt
+	var eduReceipts []*shared.Receipt
+
+	// Go through PDUs that we retrieved from the database, if any,
+	// and add them into the transaction.
+	for _, pdu := range pdus {
+		// These should never be nil.
+		if pdu == nil || pdu.pdu == nil {
+			continue
+		}
+		// Append the JSON of the event, since this is a json.RawMessage type in the
+		// gomatrixserverlib.Transaction struct
+		t.PDUs = append(t.PDUs, pdu.pdu.JSON())
+		pduReceipts = append(pduReceipts, pdu.receipt)
+	}
+
+	// Do the same for pending EDUS in the queue.
+	for _, edu := range edus {
+		// These should never be nil.
+		if edu == nil || edu.edu == nil {
+			continue
+		}
+		t.EDUs = append(t.EDUs, *edu.edu)
+		eduReceipts = append(eduReceipts, edu.receipt)
+	}
+
+	return t, pduReceipts, eduReceipts
+}
+
+// blacklistDestination removes all pending PDUs and EDUs that have been cached
+// and deletes this queue.
+func (oq *destinationQueue) blacklistDestination() {
+	// It's been suggested that we should give up because the backoff
+	// has exceeded a maximum allowable value. Clean up the in-memory
+	// buffers at this point. The PDU clean-up is already on a defer.
+	logrus.Warnf("Blacklisting %q due to exceeding backoff threshold", oq.destination)
+
+	oq.pendingMutex.Lock()
+	for i := range oq.pendingPDUs {
+		oq.pendingPDUs[i] = nil
+	}
+	for i := range oq.pendingEDUs {
+		oq.pendingEDUs[i] = nil
+	}
+	oq.pendingPDUs = nil
+	oq.pendingEDUs = nil
+	oq.pendingMutex.Unlock()
+
+	// Delete this queue as no more messages will be sent to this
+	// destination until it is no longer blacklisted.
+	oq.statistics.AssignBackoffNotifier(nil)
+	oq.queues.clearQueue(oq)
+}
+
+// handleTransactionSuccess updates the cached event queues as well as the success and
+// backoff information for this server.
+func (oq *destinationQueue) handleTransactionSuccess(pduCount int, eduCount int) {
+	// If we successfully sent the transaction then clear out
+	// the pending events and EDUs, and wipe our transaction ID.
+	oq.statistics.Success()
+	oq.pendingMutex.Lock()
+	defer oq.pendingMutex.Unlock()
+
+	for i := range oq.pendingPDUs[:pduCount] {
+		oq.pendingPDUs[i] = nil
+	}
+	for i := range oq.pendingEDUs[:eduCount] {
+		oq.pendingEDUs[i] = nil
+	}
+	oq.pendingPDUs = oq.pendingPDUs[pduCount:]
+	oq.pendingEDUs = oq.pendingEDUs[eduCount:]
+
+	if len(oq.pendingPDUs) > 0 || len(oq.pendingEDUs) > 0 {
+		select {
+		case oq.notify <- struct{}{}:
+		default:
+		}
 	}
 }
--- a/federationapi/queue/queue.go
+++ b/federationapi/queue/queue.go
@ -21,8 +21,10 @@ import (
 	"sync"
 	"time"

+	"github.com/getsentry/sentry-go"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/sirupsen/logrus"
 	log "github.com/sirupsen/logrus"
 	"github.com/tidwall/gjson"

@ -161,23 +163,25 @@ func (oqs *OutgoingQueues) getQueue(destination gomatrixserverlib.ServerName) *d
 	if !ok || oq == nil {
 		destinationQueueTotal.Inc()
 		oq = &destinationQueue{
-			queues:           oqs,
-			db:               oqs.db,
-			process:          oqs.process,
-			rsAPI:            oqs.rsAPI,
-			origin:           oqs.origin,
-			destination:      destination,
-			client:           oqs.client,
-			statistics:       oqs.statistics.ForServer(destination),
-			notify:           make(chan struct{}, 1),
-			interruptBackoff: make(chan bool),
-			signing:          oqs.signing,
+			queues:      oqs,
+			db:          oqs.db,
+			process:     oqs.process,
+			rsAPI:       oqs.rsAPI,
+			origin:      oqs.origin,
+			destination: destination,
+			client:      oqs.client,
+			statistics:  oqs.statistics.ForServer(destination),
+			notify:      make(chan struct{}, 1),
+			signing:     oqs.signing,
 		}
+		oq.statistics.AssignBackoffNotifier(oq.handleBackoffNotifier)
 		oqs.queues[destination] = oq
 	}
 	return oq
 }

+// clearQueue removes the queue for the provided destination from the
+// set of destination queues.
 func (oqs *OutgoingQueues) clearQueue(oq *destinationQueue) {
 	oqs.queuesMutex.Lock()
 	defer oqs.queuesMutex.Unlock()
@ -243,12 +247,35 @@ func (oqs *OutgoingQueues) SendEvent(
 		return fmt.Errorf("sendevent: oqs.db.StoreJSON: %w", err)
 	}

+	destQueues := make([]*destinationQueue, 0, len(destmap))
 	for destination := range destmap {
 		if queue := oqs.getQueue(destination); queue != nil {
-			queue.sendEvent(ev, nid)
+			destQueues = append(destQueues, queue)
+		} else {
+			delete(destmap, destination)
 		}
 	}

+	// Create a database entry that associates the given PDU NID with
+	// this destinations queue. We'll then be able to retrieve the PDU
+	// later.
+	if err := oqs.db.AssociatePDUWithDestinations(
+		oqs.process.Context(),
+		destmap,
+		nid, // NIDs from federationapi_queue_json table
+	); err != nil {
+		logrus.WithError(err).Errorf("failed to associate PDUs %q with destinations", nid)
+		return err
+	}
+
+	// NOTE : PDUs should be associated with destinations before sending
+	// them, otherwise this is technically a race.
+	// If the send completes before they are associated then they won't
+	// get properly cleaned up in the database.
+	for _, queue := range destQueues {
+		queue.sendEvent(ev, nid)
+	}
+
 	return nil
 }

@ -307,20 +334,47 @@ func (oqs *OutgoingQueues) SendEDU(

 	ephemeralJSON, err := json.Marshal(e)
 	if err != nil {
+		sentry.CaptureException(err)
 		return fmt.Errorf("json.Marshal: %w", err)
 	}

 	nid, err := oqs.db.StoreJSON(oqs.process.Context(), string(ephemeralJSON))
 	if err != nil {
+		sentry.CaptureException(err)
 		return fmt.Errorf("sendevent: oqs.db.StoreJSON: %w", err)
 	}

+	destQueues := make([]*destinationQueue, 0, len(destmap))
 	for destination := range destmap {
 		if queue := oqs.getQueue(destination); queue != nil {
-			queue.sendEDU(e, nid)
+			destQueues = append(destQueues, queue)
+		} else {
+			delete(destmap, destination)
 		}
 	}

+	// Create a database entry that associates the given PDU NID with
+	// these destination queues. We'll then be able to retrieve the PDU
+	// later.
+	if err := oqs.db.AssociateEDUWithDestinations(
+		oqs.process.Context(),
+		destmap, // the destination server names
+		nid,     // NIDs from federationapi_queue_json table
+		e.Type,
+		nil, // this will use the default expireEDUTypes map
+	); err != nil {
+		logrus.WithError(err).Errorf("failed to associate EDU with destinations")
+		return err
+	}
+
+	// NOTE : EDUs should be associated with destinations before sending
+	// them, otherwise this is technically a race.
+	// If the send completes before they are associated then they won't
+	// get properly cleaned up in the database.
+	for _, queue := range destQueues {
+		queue.sendEDU(e, nid)
+	}
+
 	return nil
 }

@ -329,7 +383,9 @@ func (oqs *OutgoingQueues) RetryServer(srv gomatrixserverlib.ServerName) {
 	if oqs.disabled {
 		return
 	}
+	oqs.statistics.ForServer(srv).RemoveBlacklist()
 	if queue := oqs.getQueue(srv); queue != nil {
+		queue.statistics.ClearBackoff()
 		queue.wakeQueueIfNeeded()
 	}
 }
--- a/federationapi/queue/queue_test.go
+++ b/federationapi/queue/queue_test.go
--- a/federationapi/routing/events.go
+++ b/federationapi/routing/events.go
@ -20,6 +20,7 @@ import (
 	"net/http"
 	"time"

+	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	"github.com/matrix-org/dendrite/roomserver/api"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
@ -95,7 +96,10 @@ func fetchEvent(ctx context.Context, rsAPI api.FederationRoomserverAPI, eventID
 	}

 	if len(eventsResponse.Events) == 0 {
-		return nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
+		return nil, &util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("Event not found"),
+		}
 	}

 	return eventsResponse.Events[0].Event, nil
--- a/federationapi/routing/keys.go
+++ b/federationapi/routing/keys.go
@ -160,7 +160,7 @@ func localKeys(cfg *config.FederationAPI, validUntil time.Time) (*gomatrixserver
 	for _, oldVerifyKey := range cfg.Matrix.OldVerifyKeys {
 		keys.OldVerifyKeys[oldVerifyKey.KeyID] = gomatrixserverlib.OldVerifyKey{
 			VerifyKey: gomatrixserverlib.VerifyKey{
-				Key: gomatrixserverlib.Base64Bytes(oldVerifyKey.PrivateKey.Public().(ed25519.PublicKey)),
+				Key: oldVerifyKey.PublicKey,
 			},
 			ExpiredTS: oldVerifyKey.ExpiredAt,
 		}
--- a/federationapi/routing/publicrooms.go
+++ b/federationapi/routing/publicrooms.go
@ -2,24 +2,29 @@ package routing

 import (
 	"context"
+	"fmt"
 	"net/http"
 	"strconv"

+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+
 	"github.com/matrix-org/dendrite/clientapi/httputil"
 	"github.com/matrix-org/dendrite/clientapi/jsonerror"
 	roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/util"
 )

 type PublicRoomReq struct {
-	Since  string `json:"since,omitempty"`
-	Limit  int16  `json:"limit,omitempty"`
-	Filter filter `json:"filter,omitempty"`
+	Since              string `json:"since,omitempty"`
+	Limit              int16  `json:"limit,omitempty"`
+	Filter             filter `json:"filter,omitempty"`
+	IncludeAllNetworks bool   `json:"include_all_networks,omitempty"`
+	NetworkID          string `json:"third_party_instance_id,omitempty"`
 }

 type filter struct {
-	SearchTerms string `json:"generic_search_term,omitempty"`
+	SearchTerms string   `json:"generic_search_term,omitempty"`
+	RoomTypes   []string `json:"room_types,omitempty"`
 }

 // GetPostPublicRooms implements GET and POST /publicRooms
@ -57,8 +62,14 @@ func publicRooms(
 		return nil, err
 	}

+	if request.IncludeAllNetworks && request.NetworkID != "" {
+		return nil, fmt.Errorf("include_all_networks and third_party_instance_id can not be used together")
+	}
+
 	var queryRes roomserverAPI.QueryPublishedRoomsResponse
-	err = rsAPI.QueryPublishedRooms(ctx, &roomserverAPI.QueryPublishedRoomsRequest{}, &queryRes)
+	err = rsAPI.QueryPublishedRooms(ctx, &roomserverAPI.QueryPublishedRoomsRequest{
+		NetworkID: request.NetworkID,
+	}, &queryRes)
 	if err != nil {
 		util.GetLogger(ctx).WithError(err).Error("QueryPublishedRooms failed")
 		return nil, err
--- a/federationapi/routing/routing.go
+++ b/federationapi/routing/routing.go
@ -124,7 +124,7 @@ func Setup(

 	mu := internal.NewMutexByRoom()
 	v1fedmux.Handle("/send/{txnID}", MakeFedAPI(
-		"federation_send", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_send", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return Send(
 				httpReq, request, gomatrixserverlib.TransactionID(vars["txnID"]),
@ -134,7 +134,7 @@ func Setup(
 	)).Methods(http.MethodPut, http.MethodOptions)

 	v1fedmux.Handle("/invite/{roomID}/{eventID}", MakeFedAPI(
-		"federation_invite", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_invite", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -150,7 +150,7 @@ func Setup(
 	)).Methods(http.MethodPut, http.MethodOptions)

 	v2fedmux.Handle("/invite/{roomID}/{eventID}", MakeFedAPI(
-		"federation_invite", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_invite", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -172,7 +172,7 @@ func Setup(
 	)).Methods(http.MethodPost, http.MethodOptions)

 	v1fedmux.Handle("/exchange_third_party_invite/{roomID}", MakeFedAPI(
-		"exchange_third_party_invite", cfg.Matrix.ServerName, keys, wakeup,
+		"exchange_third_party_invite", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return ExchangeThirdPartyInvite(
 				httpReq, request, vars["roomID"], rsAPI, cfg, federation,
@ -181,7 +181,7 @@ func Setup(
 	)).Methods(http.MethodPut, http.MethodOptions)

 	v1fedmux.Handle("/event/{eventID}", MakeFedAPI(
-		"federation_get_event", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_get_event", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return GetEvent(
 				httpReq.Context(), request, rsAPI, vars["eventID"], cfg.Matrix.ServerName,
@ -190,7 +190,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/state/{roomID}", MakeFedAPI(
-		"federation_get_state", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_get_state", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -205,7 +205,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/state_ids/{roomID}", MakeFedAPI(
-		"federation_get_state_ids", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_get_state_ids", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -220,7 +220,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/event_auth/{roomID}/{eventID}", MakeFedAPI(
-		"federation_get_event_auth", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_get_event_auth", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -235,7 +235,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/query/directory", MakeFedAPI(
-		"federation_query_room_alias", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_query_room_alias", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return RoomAliasToID(
 				httpReq, federation, cfg, rsAPI, fsAPI,
@ -244,7 +244,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/query/profile", MakeFedAPI(
-		"federation_query_profile", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_query_profile", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return GetProfile(
 				httpReq, userAPI, cfg,
@ -253,7 +253,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/user/devices/{userID}", MakeFedAPI(
-		"federation_user_devices", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_user_devices", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return GetUserDevices(
 				httpReq, keyAPI, vars["userID"],
@ -263,7 +263,7 @@ func Setup(

 	if mscCfg.Enabled("msc2444") {
 		v1fedmux.Handle("/peek/{roomID}/{peekID}", MakeFedAPI(
-			"federation_peek", cfg.Matrix.ServerName, keys, wakeup,
+			"federation_peek", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 			func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 				if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 					return util.JSONResponse{
@ -294,7 +294,7 @@ func Setup(
 	}

 	v1fedmux.Handle("/make_join/{roomID}/{userID}", MakeFedAPI(
-		"federation_make_join", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_make_join", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -325,7 +325,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/send_join/{roomID}/{eventID}", MakeFedAPI(
-		"federation_send_join", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_send_join", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -357,7 +357,7 @@ func Setup(
 	)).Methods(http.MethodPut)

 	v2fedmux.Handle("/send_join/{roomID}/{eventID}", MakeFedAPI(
-		"federation_send_join", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_send_join", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -374,7 +374,7 @@ func Setup(
 	)).Methods(http.MethodPut)

 	v1fedmux.Handle("/make_leave/{roomID}/{eventID}", MakeFedAPI(
-		"federation_make_leave", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_make_leave", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -391,7 +391,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/send_leave/{roomID}/{eventID}", MakeFedAPI(
-		"federation_send_leave", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_send_leave", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -423,7 +423,7 @@ func Setup(
 	)).Methods(http.MethodPut)

 	v2fedmux.Handle("/send_leave/{roomID}/{eventID}", MakeFedAPI(
-		"federation_send_leave", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_send_leave", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -447,7 +447,7 @@ func Setup(
 	)).Methods(http.MethodGet)

 	v1fedmux.Handle("/get_missing_events/{roomID}", MakeFedAPI(
-		"federation_get_missing_events", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_get_missing_events", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -460,7 +460,7 @@ func Setup(
 	)).Methods(http.MethodPost)

 	v1fedmux.Handle("/backfill/{roomID}", MakeFedAPI(
-		"federation_backfill", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_backfill", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
 				return util.JSONResponse{
@ -479,14 +479,14 @@ func Setup(
 	).Methods(http.MethodGet, http.MethodPost)

 	v1fedmux.Handle("/user/keys/claim", MakeFedAPI(
-		"federation_keys_claim", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_keys_claim", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return ClaimOneTimeKeys(httpReq, request, keyAPI, cfg.Matrix.ServerName)
 		},
 	)).Methods(http.MethodPost)

 	v1fedmux.Handle("/user/keys/query", MakeFedAPI(
-		"federation_keys_query", cfg.Matrix.ServerName, keys, wakeup,
+		"federation_keys_query", cfg.Matrix.ServerName, cfg.Matrix.IsLocalServerName, keys, wakeup,
 		func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
 			return QueryDeviceKeys(httpReq, request, keyAPI, cfg.Matrix.ServerName)
 		},
@ -525,15 +525,15 @@ func ErrorIfLocalServerNotInRoom(

 // MakeFedAPI makes an http.Handler that checks matrix federation authentication.
 func MakeFedAPI(
-	metricsName string,
-	serverName gomatrixserverlib.ServerName,
+	metricsName string, serverName gomatrixserverlib.ServerName,
+	isLocalServerName func(gomatrixserverlib.ServerName) bool,
 	keyRing gomatrixserverlib.JSONVerifier,
 	wakeup *FederationWakeups,
 	f func(*http.Request, *gomatrixserverlib.FederationRequest, map[string]string) util.JSONResponse,
 ) http.Handler {
 	h := func(req *http.Request) util.JSONResponse {
 		fedReq, errResp := gomatrixserverlib.VerifyHTTPRequest(
-			req, time.Now(), serverName, keyRing,
+			req, time.Now(), serverName, isLocalServerName, keyRing,
 		)
 		if fedReq == nil {
 			return errResp
--- a/federationapi/routing/send.go
+++ b/federationapi/routing/send.go
@ -22,6 +22,7 @@ import (
 	"sync"
 	"time"

+	"github.com/getsentry/sentry-go"
 	"github.com/matrix-org/gomatrixserverlib"
 	"github.com/matrix-org/util"
 	"github.com/prometheus/client_golang/prometheus"
@ -350,6 +351,7 @@ func (t *txnReq) processEDUs(ctx context.Context) {
 				for deviceID, message := range byUser {
 					// TODO: check that the user and the device actually exist here
 					if err := t.producer.SendToDevice(ctx, directPayload.Sender, userID, deviceID, directPayload.Type, message); err != nil {
+						sentry.CaptureException(err)
 						util.GetLogger(ctx).WithError(err).WithFields(logrus.Fields{
 							"sender":    directPayload.Sender,
 							"user_id":   userID,
@ -360,6 +362,7 @@ func (t *txnReq) processEDUs(ctx context.Context) {
 			}
 		case gomatrixserverlib.MDeviceListUpdate:
 			if err := t.producer.SendDeviceListUpdate(ctx, e.Content, t.Origin); err != nil {
+				sentry.CaptureException(err)
 				util.GetLogger(ctx).WithError(err).Error("failed to InputDeviceListUpdate")
 			}
 		case gomatrixserverlib.MReceipt:
@ -395,6 +398,7 @@ func (t *txnReq) processEDUs(ctx context.Context) {
 			}
 		case types.MSigningKeyUpdate:
 			if err := t.producer.SendSigningKeyUpdate(ctx, e.Content, t.Origin); err != nil {
+				sentry.CaptureException(err)
 				logrus.WithError(err).Errorf("Failed to process signing key update")
 			}
 		case gomatrixserverlib.MPresence:
--- a/federationapi/routing/state.go
+++ b/federationapi/routing/state.go
@ -135,23 +135,24 @@ func getState(
 		return nil, nil, &resErr
 	}

-	if !response.StateKnown {
+	switch {
+	case !response.RoomExists:
+		return nil, nil, &util.JSONResponse{
+			Code: http.StatusNotFound,
+			JSON: jsonerror.NotFound("Room not found"),
+		}
+	case !response.StateKnown:
 		return nil, nil, &util.JSONResponse{
 			Code: http.StatusNotFound,
 			JSON: jsonerror.NotFound("State not known"),
 		}
-	}
-	if response.IsRejected {
+	case response.IsRejected:
 		return nil, nil, &util.JSONResponse{
 			Code: http.StatusNotFound,
 			JSON: jsonerror.NotFound("Event not found"),
 		}
 	}

-	if !response.RoomExists {
-		return nil, nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
-	}
-
 	return response.StateEvents, response.AuthChainEvents, nil
 }

--- a/federationapi/statistics/statistics.go
+++ b/federationapi/statistics/statistics.go
@ -2,6 +2,7 @@ package statistics

 import (
 	"math"
+	"math/rand"
 	"sync"
 	"time"

@ -20,12 +21,23 @@ type Statistics struct {
 	servers map[gomatrixserverlib.ServerName]*ServerStatistics
 	mutex   sync.RWMutex

+	backoffTimers map[gomatrixserverlib.ServerName]*time.Timer
+	backoffMutex  sync.RWMutex
+
 	// How many times should we tolerate consecutive failures before we
 	// just blacklist the host altogether? The backoff is exponential,
 	// so the max time here to attempt is 2**failures seconds.
 	FailuresUntilBlacklist uint32
 }

+func NewStatistics(db storage.Database, failuresUntilBlacklist uint32) Statistics {
+	return Statistics{
+		DB:                     db,
+		FailuresUntilBlacklist: failuresUntilBlacklist,
+		backoffTimers:          make(map[gomatrixserverlib.ServerName]*time.Timer),
+	}
+}
+
 // ForServer returns server statistics for the given server name. If it
 // does not exist, it will create empty statistics and return those.
 func (s *Statistics) ForServer(serverName gomatrixserverlib.ServerName) *ServerStatistics {
@ -45,7 +57,6 @@ func (s *Statistics) ForServer(serverName gomatrixserverlib.ServerName) *ServerS
 		server = &ServerStatistics{
 			statistics: s,
 			serverName: serverName,
-			interrupt:  make(chan struct{}),
 		}
 		s.servers[serverName] = server
 		s.mutex.Unlock()
@ -64,29 +75,43 @@ func (s *Statistics) ForServer(serverName gomatrixserverlib.ServerName) *ServerS
 // many times we failed etc. It also manages the backoff time and black-
 // listing a remote host if it remains uncooperative.
 type ServerStatistics struct {
-	statistics     *Statistics                  //
-	serverName     gomatrixserverlib.ServerName //
-	blacklisted    atomic.Bool                  // is the node blacklisted
-	backoffStarted atomic.Bool                  // is the backoff started
-	backoffUntil   atomic.Value                 // time.Time until this backoff interval ends
-	backoffCount   atomic.Uint32                // number of times BackoffDuration has been called
-	interrupt      chan struct{}                // interrupts the backoff goroutine
-	successCounter atomic.Uint32                // how many times have we succeeded?
+	statistics      *Statistics                  //
+	serverName      gomatrixserverlib.ServerName //
+	blacklisted     atomic.Bool                  // is the node blacklisted
+	backoffStarted  atomic.Bool                  // is the backoff started
+	backoffUntil    atomic.Value                 // time.Time until this backoff interval ends
+	backoffCount    atomic.Uint32                // number of times BackoffDuration has been called
+	successCounter  atomic.Uint32                // how many times have we succeeded?
+	backoffNotifier func()                       // notifies destination queue when backoff completes
+	notifierMutex   sync.Mutex
 }

+const maxJitterMultiplier = 1.4
+const minJitterMultiplier = 0.8
+
 // duration returns how long the next backoff interval should be.
 func (s *ServerStatistics) duration(count uint32) time.Duration {
-	return time.Second * time.Duration(math.Exp2(float64(count)))
+	// Add some jitter to minimise the chance of having multiple backoffs
+	// ending at the same time.
+	jitter := rand.Float64()*(maxJitterMultiplier-minJitterMultiplier) + minJitterMultiplier
+	duration := time.Millisecond * time.Duration(math.Exp2(float64(count))*jitter*1000)
+	return duration
 }

 // cancel will interrupt the currently active backoff.
 func (s *ServerStatistics) cancel() {
 	s.blacklisted.Store(false)
 	s.backoffUntil.Store(time.Time{})
-	select {
-	case s.interrupt <- struct{}{}:
-	default:
-	}
+
+	s.ClearBackoff()
+}
+
+// AssignBackoffNotifier configures the channel to send to when
+// a backoff completes.
+func (s *ServerStatistics) AssignBackoffNotifier(notifier func()) {
+	s.notifierMutex.Lock()
+	defer s.notifierMutex.Unlock()
+	s.backoffNotifier = notifier
 }

 // Success updates the server statistics with a new successful
@ -95,8 +120,8 @@ func (s *ServerStatistics) cancel() {
 // we will unblacklist it.
 func (s *ServerStatistics) Success() {
 	s.cancel()
-	s.successCounter.Inc()
 	s.backoffCount.Store(0)
+	s.successCounter.Inc()
 	if s.statistics.DB != nil {
 		if err := s.statistics.DB.RemoveServerFromBlacklist(s.serverName); err != nil {
 			logrus.WithError(err).Errorf("Failed to remove %q from blacklist", s.serverName)
@ -105,13 +130,17 @@ func (s *ServerStatistics) Success() {
 }

 // Failure marks a failure and starts backing off if needed.
-// The next call to BackoffIfRequired will do the right thing
-// after this. It will return the time that the current failure
+// It will return the time that the current failure
 // will result in backoff waiting until, and a bool signalling
 // whether we have blacklisted and therefore to give up.
 func (s *ServerStatistics) Failure() (time.Time, bool) {
+	// Return immediately if we have blacklisted this node.
+	if s.blacklisted.Load() {
+		return time.Time{}, true
+	}
+
 	// If we aren't already backing off, this call will start
-	// a new backoff period. Increase the failure counter and
+	// a new backoff period, increase the failure counter and
 	// start a goroutine which will wait out the backoff and
 	// unset the backoffStarted flag when done.
 	if s.backoffStarted.CompareAndSwap(false, true) {
@ -122,40 +151,48 @@ func (s *ServerStatistics) Failure() (time.Time, bool) {
 					logrus.WithError(err).Errorf("Failed to add %q to blacklist", s.serverName)
 				}
 			}
+			s.ClearBackoff()
 			return time.Time{}, true
 		}

-		go func() {
-			until, ok := s.backoffUntil.Load().(time.Time)
-			if ok && !until.IsZero() {
-				select {
-				case <-time.After(time.Until(until)):
-				case <-s.interrupt:
-				}
-				s.backoffStarted.Store(false)
-			}
-		}()
+		// We're starting a new back off so work out what the next interval
+		// will be.
+		count := s.backoffCount.Load()
+		until := time.Now().Add(s.duration(count))
+		s.backoffUntil.Store(until)
+
+		s.statistics.backoffMutex.Lock()
+		defer s.statistics.backoffMutex.Unlock()
+		s.statistics.backoffTimers[s.serverName] = time.AfterFunc(time.Until(until), s.backoffFinished)
 	}

-	// Check if we have blacklisted this node.
-	if s.blacklisted.Load() {
-		return time.Now(), true
-	}
+	return s.backoffUntil.Load().(time.Time), false
+}

-	// If we're already backing off and we haven't yet surpassed
-	// the deadline then return that. Repeated calls to Failure
-	// within a single backoff interval will have no side effects.
-	if until, ok := s.backoffUntil.Load().(time.Time); ok && !time.Now().After(until) {
-		return until, false
+// ClearBackoff stops the backoff timer for this destination if it is running
+// and removes the timer from the backoffTimers map.
+func (s *ServerStatistics) ClearBackoff() {
+	// If the timer is still running then stop it so it's memory is cleaned up sooner.
+	s.statistics.backoffMutex.Lock()
+	defer s.statistics.backoffMutex.Unlock()
+	if timer, ok := s.statistics.backoffTimers[s.serverName]; ok {
+		timer.Stop()
 	}
+	delete(s.statistics.backoffTimers, s.serverName)

-	// We're either backing off and have passed the deadline, or
-	// we aren't backing off, so work out what the next interval
-	// will be.
-	count := s.backoffCount.Load()
-	until := time.Now().Add(s.duration(count))
-	s.backoffUntil.Store(until)
-	return until, false
+	s.backoffStarted.Store(false)
+}
+
+// backoffFinished will clear the previous backoff and notify the destination queue.
+func (s *ServerStatistics) backoffFinished() {
+	s.ClearBackoff()
+
+	// Notify the destinationQueue if one is currently running.
+	s.notifierMutex.Lock()
+	defer s.notifierMutex.Unlock()
+	if s.backoffNotifier != nil {
+		s.backoffNotifier()
+	}
 }

 // BackoffInfo returns information about the current or previous backoff.
@ -174,6 +211,12 @@ func (s *ServerStatistics) Blacklisted() bool {
 	return s.blacklisted.Load()
 }

+// RemoveBlacklist removes the blacklisted status from the server.
+func (s *ServerStatistics) RemoveBlacklist() {
+	s.cancel()
+	s.backoffCount.Store(0)
+}
+
 // SuccessCount returns the number of successful requests. This is
 // usually useful in constructing transaction IDs.
 func (s *ServerStatistics) SuccessCount() uint32 {
--- a/federationapi/statistics/statistics_test.go
+++ b/federationapi/statistics/statistics_test.go
@ -7,9 +7,7 @@ import (
 )

 func TestBackoff(t *testing.T) {
-	stats := Statistics{
-		FailuresUntilBlacklist: 7,
-	}
+	stats := NewStatistics(nil, 7)
 	server := ServerStatistics{
 		statistics: &stats,
 		serverName: "test.com",
@ -36,7 +34,7 @@ func TestBackoff(t *testing.T) {

 		// Get the duration.
 		_, blacklist := server.BackoffInfo()
-		duration := time.Until(until).Round(time.Second)
+		duration := time.Until(until)

 		// Unset the backoff, or otherwise our next call will think that
 		// there's a backoff in progress and return the same result.
@ -57,8 +55,17 @@ func TestBackoff(t *testing.T) {

 		// Check if the duration is what we expect.
 		t.Logf("Backoff %d is for %s", i, duration)
-		if wanted := time.Second * time.Duration(math.Exp2(float64(i))); !blacklist && duration != wanted {
-			t.Fatalf("Backoff %d should have been %s but was %s", i, wanted, duration)
+		roundingAllowance := 0.01
+		minDuration := time.Millisecond * time.Duration(math.Exp2(float64(i))*minJitterMultiplier*1000-roundingAllowance)
+		maxDuration := time.Millisecond * time.Duration(math.Exp2(float64(i))*maxJitterMultiplier*1000+roundingAllowance)
+		var inJitterRange bool
+		if duration >= minDuration && duration <= maxDuration {
+			inJitterRange = true
+		} else {
+			inJitterRange = false
+		}
+		if !blacklist && !inJitterRange {
+			t.Fatalf("Backoff %d should have been between %s and %s but was %s", i, minDuration, maxDuration, duration)
 		}
 	}
 }
--- a/federationapi/storage/interface.go
+++ b/federationapi/storage/interface.go
@ -18,9 +18,10 @@ import (
 	"context"
 	"time"

+	"github.com/matrix-org/gomatrixserverlib"
+
 	"github.com/matrix-org/dendrite/federationapi/storage/shared"
 	"github.com/matrix-org/dendrite/federationapi/types"
-	"github.com/matrix-org/gomatrixserverlib"
 )

 type Database interface {
@ -38,8 +39,8 @@ type Database interface {
 	GetPendingPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, limit int) (pdus map[*shared.Receipt]*gomatrixserverlib.HeaderedEvent, err error)
 	GetPendingEDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, limit int) (edus map[*shared.Receipt]*gomatrixserverlib.EDU, err error)

-	AssociatePDUWithDestination(ctx context.Context, transactionID gomatrixserverlib.TransactionID, serverName gomatrixserverlib.ServerName, receipt *shared.Receipt) error
-	AssociateEDUWithDestination(ctx context.Context, serverName gomatrixserverlib.ServerName, receipt *shared.Receipt, eduType string, expireEDUTypes map[string]time.Duration) error
+	AssociatePDUWithDestinations(ctx context.Context, destinations map[gomatrixserverlib.ServerName]struct{}, receipt *shared.Receipt) error
+	AssociateEDUWithDestinations(ctx context.Context, destinations map[gomatrixserverlib.ServerName]struct{}, receipt *shared.Receipt, eduType string, expireEDUTypes map[string]time.Duration) error

 	CleanPDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, receipts []*shared.Receipt) error
 	CleanEDUs(ctx context.Context, serverName gomatrixserverlib.ServerName, receipts []*shared.Receipt) error
--- a/federationapi/storage/postgres/storage.go
+++ b/federationapi/storage/postgres/storage.go
@ -36,7 +36,7 @@ type Database struct {
 }

 // NewDatabase opens a new database
-func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.FederationCache, serverName gomatrixserverlib.ServerName) (*Database, error) {
+func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.FederationCache, isLocalServerName func(gomatrixserverlib.ServerName) bool) (*Database, error) {
 	var d Database
 	var err error
 	if d.db, d.writer, err = base.DatabaseConnection(dbProperties, sqlutil.NewDummyWriter()); err != nil {
@ -96,7 +96,7 @@ func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions,
 	}
 	d.Database = shared.Database{
 		DB:                       d.db,
-		ServerName:               serverName,
+		IsLocalServerName:        isLocalServerName,
 		Cache:                    cache,
 		Writer:                   d.writer,
 		FederationJoinedHosts:    joinedHosts,
--- a/federationapi/storage/shared/storage.go
+++ b/federationapi/storage/shared/storage.go
@ -29,7 +29,7 @@ import (

 type Database struct {
 	DB                       *sql.DB
-	ServerName               gomatrixserverlib.ServerName
+	IsLocalServerName        func(gomatrixserverlib.ServerName) bool
 	Cache                    caching.FederationCache
 	Writer                   sqlutil.Writer
 	FederationQueuePDUs      tables.FederationQueuePDUs
@ -52,6 +52,10 @@ type Receipt struct {
 	nid int64
 }

+func NewReceipt(nid int64) Receipt {
+	return Receipt{nid: nid}
+}
+
 func (r *Receipt) String() string {
 	return fmt.Sprintf("%d", r.nid)
 }
@ -70,27 +74,27 @@ func (d *Database) UpdateRoom(
 ) (joinedHosts []types.JoinedHost, err error) {
 	err = d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
 		if purgeRoomFirst {
-			// If the event is a create event then we'll delete all of the existing
-			// data for the room. The only reason that a create event would be replayed
-			// to us in this way is if we're about to receive the entire room state.
 			if err = d.FederationJoinedHosts.DeleteJoinedHostsForRoom(ctx, txn, roomID); err != nil {
 				return fmt.Errorf("d.FederationJoinedHosts.DeleteJoinedHosts: %w", err)
 			}
-		}
-
-		joinedHosts, err = d.FederationJoinedHosts.SelectJoinedHostsWithTx(ctx, txn, roomID)
-		if err != nil {
-			return err
-		}
-
-		for _, add := range addHosts {
-			err = d.FederationJoinedHosts.InsertJoinedHosts(ctx, txn, roomID, add.MemberEventID, add.ServerName)
-			if err != nil {
+			for _, add := range addHosts {
+				if err = d.FederationJoinedHosts.InsertJoinedHosts(ctx, txn, roomID, add.MemberEventID, add.ServerName); err != nil {
+					return err
+				}
+				joinedHosts = append(joinedHosts, add)
+			}
+		} else {
+			if joinedHosts, err = d.FederationJoinedHosts.SelectJoinedHostsWithTx(ctx, txn, roomID); err != nil {
+				return err
+			}
+			for _, add := range addHosts {
+				if err = d.FederationJoinedHosts.InsertJoinedHosts(ctx, txn, roomID, add.MemberEventID, add.ServerName); err != nil {
+					return err
+				}
+			}
+			if err = d.FederationJoinedHosts.DeleteJoinedHosts(ctx, txn, removeHosts); err != nil {
 				return err
 			}
-		}
-		if err = d.FederationJoinedHosts.DeleteJoinedHosts(ctx, txn, removeHosts); err != nil {
-			return err
 		}
 		return nil
 	})
@ -120,7 +124,7 @@ func (d *Database) GetJoinedHostsForRooms(ctx context.Context, roomIDs []string,
 	}
 	if excludeSelf {
 		for i, server := range servers {
-			if server == d.ServerName {
+			if d.IsLocalServerName(server) {
 				servers = append(servers[:i], servers[i+1:]...)
 			}
 		}
--- a/federationapi/storage/shared/storage_edus.go
+++ b/federationapi/storage/shared/storage_edus.go
@ -38,9 +38,9 @@ var defaultExpireEDUTypes = map[string]time.Duration{
 // AssociateEDUWithDestination creates an association that the
 // destination queues will use to determine which JSON blobs to send
 // to which servers.
-func (d *Database) AssociateEDUWithDestination(
+func (d *Database) AssociateEDUWithDestinations(
 	ctx context.Context,
-	serverName gomatrixserverlib.ServerName,
+	destinations map[gomatrixserverlib.ServerName]struct{},
 	receipt *Receipt,
 	eduType string,
 	expireEDUTypes map[string]time.Duration,
@ -59,17 +59,18 @@ func (d *Database) AssociateEDUWithDestination(
 		expiresAt = 0
 	}
 	return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
-		if err := d.FederationQueueEDUs.InsertQueueEDU(
-			ctx,         // context
-			txn,         // SQL transaction
-			eduType,     // EDU type for coalescing
-			serverName,  // destination server name
-			receipt.nid, // NID from the federationapi_queue_json table
-			expiresAt,   // The timestamp this EDU will expire
-		); err != nil {
-			return fmt.Errorf("InsertQueueEDU: %w", err)
+		var err error
+		for destination := range destinations {
+			err = d.FederationQueueEDUs.InsertQueueEDU(
+				ctx,         // context
+				txn,         // SQL transaction
+				eduType,     // EDU type for coalescing
+				destination, // destination server name
+				receipt.nid, // NID from the federationapi_queue_json table
+				expiresAt,   // The timestamp this EDU will expire
+			)
 		}
-		return nil
+		return err
 	})
 }

--- a/federationapi/storage/shared/storage_pdus.go
+++ b/federationapi/storage/shared/storage_pdus.go
@ -27,23 +27,23 @@ import (
 // AssociatePDUWithDestination creates an association that the
 // destination queues will use to determine which JSON blobs to send
 // to which servers.
-func (d *Database) AssociatePDUWithDestination(
+func (d *Database) AssociatePDUWithDestinations(
 	ctx context.Context,
-	transactionID gomatrixserverlib.TransactionID,
-	serverName gomatrixserverlib.ServerName,
+	destinations map[gomatrixserverlib.ServerName]struct{},
 	receipt *Receipt,
 ) error {
 	return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
-		if err := d.FederationQueuePDUs.InsertQueuePDU(
-			ctx,           // context
-			txn,           // SQL transaction
-			transactionID, // transaction ID
-			serverName,    // destination server name
-			receipt.nid,   // NID from the federationapi_queue_json table
-		); err != nil {
-			return fmt.Errorf("InsertQueuePDU: %w", err)
+		var err error
+		for destination := range destinations {
+			err = d.FederationQueuePDUs.InsertQueuePDU(
+				ctx,         // context
+				txn,         // SQL transaction
+				"",          // transaction ID
+				destination, // destination server name
+				receipt.nid, // NID from the federationapi_queue_json table
+			)
 		}
-		return nil
+		return err
 	})
 }

--- a/federationapi/storage/sqlite3/storage.go
+++ b/federationapi/storage/sqlite3/storage.go
@ -35,7 +35,7 @@ type Database struct {
 }

 // NewDatabase opens a new database
-func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.FederationCache, serverName gomatrixserverlib.ServerName) (*Database, error) {
+func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.FederationCache, isLocalServerName func(gomatrixserverlib.ServerName) bool) (*Database, error) {
 	var d Database
 	var err error
 	if d.db, d.writer, err = base.DatabaseConnection(dbProperties, sqlutil.NewExclusiveWriter()); err != nil {
@ -95,7 +95,7 @@ func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions,
 	}
 	d.Database = shared.Database{
 		DB:                       d.db,
-		ServerName:               serverName,
+		IsLocalServerName:        isLocalServerName,
 		Cache:                    cache,
 		Writer:                   d.writer,
 		FederationJoinedHosts:    joinedHosts,
--- a/federationapi/storage/storage.go
+++ b/federationapi/storage/storage.go
@ -29,12 +29,12 @@ import (
 )

 // NewDatabase opens a new database
-func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.FederationCache, serverName gomatrixserverlib.ServerName) (Database, error) {
+func NewDatabase(base *base.BaseDendrite, dbProperties *config.DatabaseOptions, cache caching.FederationCache, isLocalServerName func(gomatrixserverlib.ServerName) bool) (Database, error) {
 	switch {
 	case dbProperties.ConnectionString.IsSQLite():
-		return sqlite3.NewDatabase(base, dbProperties, cache, serverName)
+		return sqlite3.NewDatabase(base, dbProperties, cache, isLocalServerName)
 	case dbProperties.ConnectionString.IsPostgres():
-		return postgres.NewDatabase(base, dbProperties, cache, serverName)
+		return postgres.NewDatabase(base, dbProperties, cache, isLocalServerName)
 	default:
 		return nil, fmt.Errorf("unexpected database type")
 	}
--- a/federationapi/storage/storage_test.go
+++ b/federationapi/storage/storage_test.go
@ -19,7 +19,7 @@ func mustCreateFederationDatabase(t *testing.T, dbType test.DBType) (storage.Dat
 	connStr, dbClose := test.PrepareDBConnectionString(t, dbType)
 	db, err := storage.NewDatabase(b, &config.DatabaseOptions{
 		ConnectionString: config.DataSource(connStr),
-	}, b.Caches, b.Cfg.Global.ServerName)
+	}, b.Caches, func(server gomatrixserverlib.ServerName) bool { return server == "localhost" })
 	if err != nil {
 		t.Fatalf("NewDatabase returned %s", err)
 	}
@ -35,6 +35,7 @@ func TestExpireEDUs(t *testing.T) {
 	}

 	ctx := context.Background()
+	destinations := map[gomatrixserverlib.ServerName]struct{}{"localhost": {}}
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		db, close := mustCreateFederationDatabase(t, dbType)
 		defer close()
@ -43,7 +44,7 @@ func TestExpireEDUs(t *testing.T) {
 			receipt, err := db.StoreJSON(ctx, "{}")
 			assert.NoError(t, err)

-			err = db.AssociateEDUWithDestination(ctx, "localhost", receipt, gomatrixserverlib.MReceipt, expireEDUTypes)
+			err = db.AssociateEDUWithDestinations(ctx, destinations, receipt, gomatrixserverlib.MReceipt, expireEDUTypes)
 			assert.NoError(t, err)
 		}
 		// add data without expiry
@ -51,7 +52,7 @@ func TestExpireEDUs(t *testing.T) {
 		assert.NoError(t, err)

 		// m.read_marker gets the default expiry of 24h, so won't be deleted further down in this test
-		err = db.AssociateEDUWithDestination(ctx, "localhost", receipt, "m.read_marker", expireEDUTypes)
+		err = db.AssociateEDUWithDestinations(ctx, destinations, receipt, "m.read_marker", expireEDUTypes)
 		assert.NoError(t, err)

 		// Delete expired EDUs
@ -67,7 +68,7 @@ func TestExpireEDUs(t *testing.T) {
 		receipt, err = db.StoreJSON(ctx, "{}")
 		assert.NoError(t, err)

-		err = db.AssociateEDUWithDestination(ctx, "localhost", receipt, gomatrixserverlib.MDirectToDevice, expireEDUTypes)
+		err = db.AssociateEDUWithDestinations(ctx, destinations, receipt, gomatrixserverlib.MDirectToDevice, expireEDUTypes)
 		assert.NoError(t, err)

 		err = db.DeleteExpiredEDUs(ctx)
--- a/go.mod
+++ b/go.mod
@ -1,7 +1,7 @@
 module github.com/matrix-org/dendrite

 require (
-	github.com/Arceliar/ironwood v0.0.0-20220903132624-ee60c16bcfcf
+	github.com/Arceliar/ironwood v0.0.0-20221025225125-45b4281814c2
 	github.com/Arceliar/phony v0.0.0-20210209235338-dde1a8dca979
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/MFAshby/stdemuxerhook v1.0.0
@ -9,25 +9,25 @@ require (
 	github.com/blevesearch/bleve/v2 v2.3.4
 	github.com/codeclysm/extract v2.2.0+incompatible
 	github.com/dgraph-io/ristretto v0.1.1-0.20220403145359-8e850b710d6d
-	github.com/docker/docker v20.10.18+incompatible
+	github.com/docker/docker v20.10.19+incompatible
 	github.com/docker/go-connections v0.4.0
-	github.com/getsentry/sentry-go v0.13.0
+	github.com/getsentry/sentry-go v0.14.0
 	github.com/gologme/log v1.3.0
 	github.com/google/go-cmp v0.5.9
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.5.0
-	github.com/kardianos/minwinsvc v1.0.0
+	github.com/kardianos/minwinsvc v1.0.2
 	github.com/lib/pq v1.10.7
 	github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e
 	github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91
-	github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16
-	github.com/matrix-org/gomatrixserverlib v0.0.0-20220929190355-91d455cd3621
-	github.com/matrix-org/pinecone v0.0.0-20220929155234-2ce51dd4a42c
+	github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530
+	github.com/matrix-org/gomatrixserverlib v0.0.0-20221101165746-0e4a8bb6db7e
+	github.com/matrix-org/pinecone v0.0.0-20221026160848-639feeff74d6
 	github.com/matrix-org/util v0.0.0-20200807132607-55161520e1d4
 	github.com/mattn/go-sqlite3 v1.14.15
-	github.com/nats-io/nats-server/v2 v2.9.2
-	github.com/nats-io/nats.go v1.17.0
+	github.com/nats-io/nats-server/v2 v2.9.4
+	github.com/nats-io/nats.go v1.19.0
 	github.com/neilalexander/utp v0.1.1-0.20210727203401-54ae7b1cd5f9
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/ngrok/sqlmw v0.0.0-20220520173518-97c9c04efc79
@ -36,25 +36,26 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.13.0
 	github.com/sirupsen/logrus v1.9.0
-	github.com/stretchr/testify v1.8.0
+	github.com/stretchr/testify v1.8.1
 	github.com/tidwall/gjson v1.14.3
 	github.com/tidwall/sjson v1.2.5
 	github.com/uber/jaeger-client-go v2.30.0+incompatible
 	github.com/uber/jaeger-lib v2.4.1+incompatible
-	github.com/yggdrasil-network/yggdrasil-go v0.4.5-0.20220901155642-4f2abece817c
+	github.com/yggdrasil-network/yggdrasil-go v0.4.6
 	go.uber.org/atomic v1.10.0
-	golang.org/x/crypto v0.0.0-20220926161630-eccd6366d1be
-	golang.org/x/image v0.0.0-20220902085622-e7cb96979f69
-	golang.org/x/mobile v0.0.0-20220722155234-aaac322e2105
-	golang.org/x/net v0.0.0-20220919232410-f2f64ebce3c1
-	golang.org/x/term v0.0.0-20220919170432-7a66f970e087
+	golang.org/x/crypto v0.1.0
+	golang.org/x/image v0.1.0
+	golang.org/x/mobile v0.0.0-20221020085226-b36e6246172e
+	golang.org/x/net v0.1.0
+	golang.org/x/term v0.1.0
 	gopkg.in/h2non/bimg.v1 v1.1.9
 	gopkg.in/yaml.v2 v2.4.0
+	gotest.tools/v3 v3.4.0
+	modernc.org/sqlite v1.19.3
 	nhooyr.io/websocket v1.8.7
 )

 require (
-	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/HdrHistogram/hdrhistogram-go v1.1.2 // indirect
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/RoaringBitmap/roaring v1.2.1 // indirect
@ -91,14 +92,16 @@ require (
 	github.com/h2non/filetype v1.1.3 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/juju/errors v1.0.0 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/klauspost/compress v1.15.11 // indirect
-	github.com/kr/pretty v0.3.0 // indirect
-	github.com/lucas-clemente/quic-go v0.29.0 // indirect
-	github.com/marten-seemann/qtls-go1-18 v0.1.2 // indirect
-	github.com/marten-seemann/qtls-go1-19 v0.1.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/lucas-clemente/quic-go v0.29.2 // indirect
+	github.com/marten-seemann/qtls-go1-18 v0.1.3 // indirect
+	github.com/marten-seemann/qtls-go1-19 v0.1.1 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/minio/highwayhash v1.0.2 // indirect
-	github.com/moby/term v0.0.0-20210610120745-9d4ed1856297 // indirect
+	github.com/moby/term v0.0.0-20220808134915-39b0c02b01ae // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
@ -108,27 +111,36 @@ require (
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/onsi/ginkgo v1.16.5 // indirect
-	github.com/onsi/gomega v1.17.0 // indirect
+	github.com/onsi/gomega v1.22.1 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.37.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20220927061507-ef77025ab5aa // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
-	golang.org/x/exp v0.0.0-20220916125017-b168a2c6b86b // indirect
-	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
-	golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec // indirect
-	golang.org/x/text v0.3.8-0.20211004125949-5bd84dd9b33b // indirect
-	golang.org/x/time v0.0.0-20220922220347-f3bd1da661af // indirect
-	golang.org/x/tools v0.1.12 // indirect
+	golang.org/x/exp v0.0.0-20221031165847-c99f073a8326 // indirect
+	golang.org/x/mod v0.6.0 // indirect
+	golang.org/x/sys v0.1.0 // indirect
+	golang.org/x/text v0.4.0 // indirect
+	golang.org/x/time v0.1.0 // indirect
+	golang.org/x/tools v0.2.0 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/macaroon.v2 v2.1.0 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	gotest.tools/v3 v3.0.3 // indirect
+	lukechampine.com/uint128 v1.2.0 // indirect
+	modernc.org/cc/v3 v3.40.0 // indirect
+	modernc.org/ccgo/v3 v3.16.13-0.20221017192402-261537637ce8 // indirect
+	modernc.org/libc v1.21.4 // indirect
+	modernc.org/mathutil v1.5.0 // indirect
+	modernc.org/memory v1.4.0 // indirect
+	modernc.org/opt v0.1.3 // indirect
+	modernc.org/strutil v1.1.3 // indirect
+	modernc.org/token v1.0.1 // indirect
 )

 go 1.18
--- a/go.sum
+++ b/go.sum
@ -38,11 +38,10 @@ dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBr
 dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
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@ -404,8 +408,8 @@ github.com/minio/highwayhash v1.0.2 h1:Aak5U0nElisjDCfPSG79Tgzkn2gl66NxOMspRrKnA
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@ -422,10 +426,10 @@ github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRW
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@ -454,8 +458,8 @@ github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1Cpa
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@ -465,9 +469,12 @@ github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYr
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@ -502,9 +509,12 @@ github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1
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@ -548,8 +558,9 @@ github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
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@ -557,8 +568,9 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
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@ -577,8 +589,8 @@ github.com/uber/jaeger-lib v2.4.1+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6
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@ -586,8 +598,8 @@ github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17
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@ -625,8 +637,8 @@ golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm
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+golang.org/x/crypto v0.1.0 h1:MDRAIl0xIo9Io2xV565hzXHw3zVseKrJKodhohM5CjU=
+golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@ -641,13 +653,13 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
-golang.org/x/exp v0.0.0-20220916125017-b168a2c6b86b h1:SCE/18RnFsLrjydh/R/s5EVvHoZprqEQUuoxK8q2Pc4=
-golang.org/x/exp v0.0.0-20220916125017-b168a2c6b86b/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
+golang.org/x/exp v0.0.0-20221031165847-c99f073a8326 h1:QfTh0HpN6hlw6D3vu8DAwC8pBIwikq0AI1evdm+FksE=
+golang.org/x/exp v0.0.0-20221031165847-c99f073a8326/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.0.0-20220902085622-e7cb96979f69 h1:Lj6HJGCSn5AjxRAH2+r35Mir4icalbqku+CLUtjnvXY=
-golang.org/x/image v0.0.0-20220902085622-e7cb96979f69/go.mod h1:doUCurBvlfPMKfmIpRIywoHmhN3VyhnoFDbvIEWF4hY=
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 golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@ -661,8 +673,9 @@ golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPI
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
-golang.org/x/mobile v0.0.0-20220722155234-aaac322e2105 h1:3vUV5x5+3LfQbgk7paCM6INOaJG9xXQbn79xoNkwfIk=
 golang.org/x/mobile v0.0.0-20220722155234-aaac322e2105/go.mod h1:pe2sM7Uk+2Su1y7u/6Z8KJ24D7lepUjFZbhFOrmDfuQ=
+golang.org/x/mobile v0.0.0-20221020085226-b36e6246172e h1:zSgtO19fpg781xknwqiQPmOHaASr6E7ZVlTseLd9Fx4=
+golang.org/x/mobile v0.0.0-20221020085226-b36e6246172e/go.mod h1:aAjjkJNdrh3PMckS4B10TGS2nag27cbKR1y2BpUxsiY=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
@ -670,8 +683,9 @@ golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.6.0 h1:b9gGHsz9/HhJ3HF5DHQytPpuwocVTChQJK3AvoLRD5I=
+golang.org/x/mod v0.6.0/go.mod h1:4mET923SAdbXp2ki8ey+zGs1SLqsuM2Y0uvdZR/fUNI=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@ -717,8 +731,8 @@ golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su
 golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.0.0-20220728211354-c7608f3a8462/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
-golang.org/x/net v0.0.0-20220919232410-f2f64ebce3c1 h1:TWZxd/th7FbRSMret2MVQdlI8uT49QEtwZdvJrxjEHU=
-golang.org/x/net v0.0.0-20220919232410-f2f64ebce3c1/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.1.0 h1:hZ/3BUoy5aId7sCpA/Tc5lt8DkFgdVS2onTpJsZ/fl0=
+golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@ -783,15 +797,14 @@ golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -810,12 +823,13 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220730100132-1609e554cd39/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220928140112-f11e5e49a4ec h1:BkDtF2Ih9xZ7le9ndzTA7KJow28VbQW3odyk/8drmuI=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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+golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -823,14 +837,14 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.3.8-0.20211004125949-5bd84dd9b33b h1:NXqSWXSRUSCaFuvitrWtU169I3876zRTalMRbfd6LL0=
-golang.org/x/text v0.3.8-0.20211004125949-5bd84dd9b33b/go.mod h1:EFNZuWvGYxIRUEX+K8UmCFwYmZjqcrnq15ZuVldZkZ0=
+golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
+golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
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+golang.org/x/time v0.1.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@ -879,10 +893,12 @@ golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
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 golang.org/x/tools v0.1.8-0.20211022200916-316ba0b74098/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
-golang.org/x/tools v0.1.12 h1:VveCTK38A2rkS8ZqFY25HIDFscX5X9OoEhJd3quQmXU=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=
+golang.org/x/tools v0.2.0/go.mod h1:y4OqIKeOV/fWJetJ8bXPU1sEVniLMIyDAZWeHdV+NTA=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -1013,8 +1029,8 @@ gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
-gotest.tools/v3 v3.0.3 h1:4AuOwCGf4lLR9u3YOe2awrHygurzhO/HeQ6laiA6Sx0=
-gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=
+gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o=
+gotest.tools/v3 v3.4.0/go.mod h1:CtbdzLSsqVhDgMtKsx03ird5YTGB3ar27v0u/yKBW5g=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@ -1024,6 +1040,30 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+lukechampine.com/uint128 v1.2.0 h1:mBi/5l91vocEN8otkC5bDLhi2KdCticRiwbdB0O+rjI=
+lukechampine.com/uint128 v1.2.0/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
+modernc.org/cc/v3 v3.40.0 h1:P3g79IUS/93SYhtoeaHW+kRCIrYaxJ27MFPv+7kaTOw=
+modernc.org/cc/v3 v3.40.0/go.mod h1:/bTg4dnWkSXowUO6ssQKnOV0yMVxDYNIsIrzqTFDGH0=
+modernc.org/ccgo/v3 v3.16.13-0.20221017192402-261537637ce8 h1:0+dsXf0zeLx9ixj4nilg6jKe5Bg1ilzBwSFq4kJmIUc=
+modernc.org/ccgo/v3 v3.16.13-0.20221017192402-261537637ce8/go.mod h1:fUB3Vn0nVPReA+7IG7yZDfjv1TMWjhQP8gCxrFAtL5g=
+modernc.org/ccorpus v1.11.6 h1:J16RXiiqiCgua6+ZvQot4yUuUy8zxgqbqEEUuGPlISk=
+modernc.org/httpfs v1.0.6 h1:AAgIpFZRXuYnkjftxTAZwMIiwEqAfk8aVB2/oA6nAeM=
+modernc.org/libc v1.21.4 h1:CzTlumWeIbPV5/HVIMzYHNPCRP8uiU/CWiN2gtd/Qu8=
+modernc.org/libc v1.21.4/go.mod h1:przBsL5RDOZajTVslkugzLBj1evTue36jEomFQOoYuI=
+modernc.org/mathutil v1.5.0 h1:rV0Ko/6SfM+8G+yKiyI830l3Wuz1zRutdslNoQ0kfiQ=
+modernc.org/mathutil v1.5.0/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
+modernc.org/memory v1.4.0 h1:crykUfNSnMAXaOJnnxcSzbUGMqkLWjklJKkBK2nwZwk=
+modernc.org/memory v1.4.0/go.mod h1:PkUhL0Mugw21sHPeskwZW4D6VscE/GQJOnIpCnW6pSU=
+modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
+modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
+modernc.org/sqlite v1.19.3 h1:dIoagx6yIQT3V/zOSeAyZ8OqQyEr17YTgETOXTZNJMA=
+modernc.org/sqlite v1.19.3/go.mod h1:xiyJD7FY8mTZXnQwE/gEL1STtFrrnDx03V8KhVQmcr8=
+modernc.org/strutil v1.1.3 h1:fNMm+oJklMGYfU9Ylcywl0CO5O6nTfaowNsh2wpPjzY=
+modernc.org/strutil v1.1.3/go.mod h1:MEHNA7PdEnEwLvspRMtWTNnp2nnyvMfkimT1NKNAGbw=
+modernc.org/tcl v1.15.0 h1:oY+JeD11qVVSgVvodMJsu7Edf8tr5E/7tuhF5cNYz34=
+modernc.org/token v1.0.1 h1:A3qvTqOwexpfZZeyI0FeGPDlSWX5pjZu9hF4lU+EKWg=
+modernc.org/token v1.0.1/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
+modernc.org/z v1.7.0 h1:xkDw/KepgEjeizO2sNco+hqYkU12taxQFqPEmgm1GWE=
 nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
 nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
--- a/internal/eventutil/types.go
+++ b/internal/eventutil/types.go
@ -35,8 +35,9 @@ type AccountData struct {
 }

 type ReadMarkerJSON struct {
-	FullyRead string `json:"m.fully_read"`
-	Read      string `json:"m.read"`
+	FullyRead   string `json:"m.fully_read"`
+	Read        string `json:"m.read"`
+	ReadPrivate string `json:"m.read.private"`
 }

 // NotificationData contains statistics about notifications, sent from
--- a/internal/fulltext/bleve.go
+++ b/internal/fulltext/bleve.go
@ -21,6 +21,29 @@ import (
 	"strings"

 	"github.com/blevesearch/bleve/v2"
+
+	// side effect imports to allow all possible languages
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/ar"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/cjk"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/ckb"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/da"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/de"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/en"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/es"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/fa"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/fi"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/fr"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/hi"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/hr"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/hu"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/it"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/nl"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/no"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/pt"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/ro"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/ru"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/sv"
+	_ "github.com/blevesearch/bleve/v2/analysis/lang/tr"
 	"github.com/blevesearch/bleve/v2/mapping"
 	"github.com/matrix-org/gomatrixserverlib"

--- a/internal/sqlutil/migrate_test.go
+++ b/internal/sqlutil/migrate_test.go
@ -7,8 +7,6 @@ import (
 	"reflect"
 	"testing"

-	_ "github.com/mattn/go-sqlite3"
-
 	"github.com/matrix-org/dendrite/internal/sqlutil"
 	"github.com/matrix-org/dendrite/test"
 )
@ -88,7 +86,7 @@ func Test_migrations_Up(t *testing.T) {

 		for _, tt := range tests {
 			t.Run(tt.name, func(t *testing.T) {
-				driverName := "sqlite3"
+				driverName := sqlutil.SQLITE_DRIVER_NAME
 				if dbType == test.DBTypePostgres {
 					driverName = "postgres"
 				}
@ -117,7 +115,7 @@ func Test_insertMigration(t *testing.T) {
 	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
 		conStr, close := test.PrepareDBConnectionString(t, dbType)
 		defer close()
-		driverName := "sqlite3"
+		driverName := sqlutil.SQLITE_DRIVER_NAME
 		if dbType == test.DBTypePostgres {
 			driverName = "postgres"
 		}
--- a/internal/sqlutil/sqlite_cgo.go
+++ b/internal/sqlutil/sqlite_cgo.go
@ -0,0 +1,19 @@
+//go:build cgo
+// +build cgo
+
+package sqlutil
+
+import (
+	"github.com/mattn/go-sqlite3"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+const SQLITE_DRIVER_NAME = "sqlite3"
+
+func sqliteDSNExtension(dsn string) string {
+	return dsn
+}
+
+func sqliteDriver() *sqlite3.SQLiteDriver {
+	return &sqlite3.SQLiteDriver{}
+}
--- a/internal/sqlutil/sqlite_native.go
+++ b/internal/sqlutil/sqlite_native.go
@ -0,0 +1,29 @@
+//go:build !cgo
+// +build !cgo
+
+package sqlutil
+
+import (
+	"modernc.org/sqlite"
+	"strings"
+)
+
+const SQLITE_DRIVER_NAME = "sqlite"
+
+func sqliteDSNExtension(dsn string) string {
+	// add query parameters to the dsn
+	if strings.Contains(dsn, "?") {
+		dsn += "&"
+	} else {
+		dsn += "?"
+	}
+
+	// wait some time before erroring if the db is locked
+	// https://gitlab.com/cznic/sqlite/-/issues/106#note_1058094993
+	dsn += "_pragma=busy_timeout%3d10000"
+	return dsn
+}
+
+func sqliteDriver() *sqlite.Driver {
+	return &sqlite.Driver{}
+}
--- a/internal/sqlutil/sqlutil.go
+++ b/internal/sqlutil/sqlutil.go
@ -2,6 +2,7 @@ package sqlutil

 import (
 	"database/sql"
+	"flag"
 	"fmt"
 	"regexp"

@ -9,6 +10,8 @@ import (
 	"github.com/sirupsen/logrus"
 )

+var skipSanityChecks = flag.Bool("skip-db-sanity", false, "Ignore sanity checks on the database connections (NOT RECOMMENDED!)")
+
 // Open opens a database specified by its database driver name and a driver-specific data source name,
 // usually consisting of at least a database name and connection information. Includes tracing driver
 // if DENDRITE_TRACE_SQL=1
@ -17,11 +20,12 @@ func Open(dbProperties *config.DatabaseOptions, writer Writer) (*sql.DB, error)
 	var driverName, dsn string
 	switch {
 	case dbProperties.ConnectionString.IsSQLite():
-		driverName = "sqlite3"
+		driverName = SQLITE_DRIVER_NAME
 		dsn, err = ParseFileURI(dbProperties.ConnectionString)
 		if err != nil {
 			return nil, fmt.Errorf("ParseFileURI: %w", err)
 		}
+		dsn = sqliteDSNExtension(dsn)
 	case dbProperties.ConnectionString.IsPostgres():
 		driverName = "postgres"
 		dsn = string(dbProperties.ConnectionString)
@ -36,16 +40,40 @@ func Open(dbProperties *config.DatabaseOptions, writer Writer) (*sql.DB, error)
 	if err != nil {
 		return nil, err
 	}
-	if driverName != "sqlite3" {
-		logrus.WithFields(logrus.Fields{
-			"MaxOpenConns":    dbProperties.MaxOpenConns(),
-			"MaxIdleConns":    dbProperties.MaxIdleConns(),
-			"ConnMaxLifetime": dbProperties.ConnMaxLifetime(),
-			"dataSourceName":  regexp.MustCompile(`://[^@]*@`).ReplaceAllLiteralString(dsn, "://"),
-		}).Debug("Setting DB connection limits")
+	if driverName != SQLITE_DRIVER_NAME {
+		logger := logrus.WithFields(logrus.Fields{
+			"max_open_conns":    dbProperties.MaxOpenConns(),
+			"max_idle_conns":    dbProperties.MaxIdleConns(),
+			"conn_max_lifetime": dbProperties.ConnMaxLifetime(),
+			"data_source_name":  regexp.MustCompile(`://[^@]*@`).ReplaceAllLiteralString(dsn, "://"),
+		})
+		logger.Debug("Setting DB connection limits")
 		db.SetMaxOpenConns(dbProperties.MaxOpenConns())
 		db.SetMaxIdleConns(dbProperties.MaxIdleConns())
 		db.SetConnMaxLifetime(dbProperties.ConnMaxLifetime())
+
+		if !*skipSanityChecks {
+			if dbProperties.MaxOpenConns() == 0 {
+				logrus.Warnf("WARNING: Configuring 'max_open_conns' to be unlimited is not recommended. This can result in bad performance or deadlocks.")
+			}
+
+			switch driverName {
+			case "postgres":
+				// Perform a quick sanity check if possible that we aren't trying to use more database
+				// connections than PostgreSQL is willing to give us.
+				var max, reserved int
+				if err := db.QueryRow("SELECT setting::integer FROM pg_settings WHERE name='max_connections';").Scan(&max); err != nil {
+					return nil, fmt.Errorf("failed to find maximum connections: %w", err)
+				}
+				if err := db.QueryRow("SELECT setting::integer FROM pg_settings WHERE name='superuser_reserved_connections';").Scan(&reserved); err != nil {
+					return nil, fmt.Errorf("failed to find reserved connections: %w", err)
+				}
+				if configured, allowed := dbProperties.MaxOpenConns(), max-reserved; configured > allowed {
+					logrus.Errorf("ERROR: The configured 'max_open_conns' is greater than the %d non-superuser connections that PostgreSQL is configured to allow. This can result in bad performance or deadlocks. Please pay close attention to your configured database connection counts. If you REALLY know what you are doing and want to override this error, pass the --skip-db-sanity option to Dendrite.", allowed)
+					return nil, fmt.Errorf("database sanity checks failed")
+				}
+			}
+		}
 	}
 	return db, nil
 }
--- a/internal/sqlutil/trace_driver.go
+++ b/internal/sqlutil/trace_driver.go
@ -21,7 +21,6 @@ import (
 	"database/sql"

 	"github.com/lib/pq"
-	sqlite "github.com/mattn/go-sqlite3"
 	"github.com/ngrok/sqlmw"
 )

@ -31,6 +30,6 @@ func registerDrivers() {
 	}
 	// install the wrapped drivers
 	sql.Register("postgres-trace", sqlmw.Driver(&pq.Driver{}, new(traceInterceptor)))
-	sql.Register("sqlite3-trace", sqlmw.Driver(&sqlite.SQLiteDriver{}, new(traceInterceptor)))
+	sql.Register("sqlite3-trace", sqlmw.Driver(sqliteDriver(), new(traceInterceptor)))

 }
--- a/internal/sqlutil/unique_constraint.go
+++ b/internal/sqlutil/unique_constraint.go
@ -12,14 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-//go:build !wasm
-// +build !wasm
+//go:build !wasm && !cgo
+// +build !wasm,!cgo

 package sqlutil

 import (
 	"github.com/lib/pq"
-	"github.com/mattn/go-sqlite3"
+	"modernc.org/sqlite"
+	lib "modernc.org/sqlite/lib"
 )

 // IsUniqueConstraintViolationErr returns true if the error is an unique_violation error
@ -27,10 +28,8 @@ func IsUniqueConstraintViolationErr(err error) bool {
 	switch e := err.(type) {
 	case *pq.Error:
 		return e.Code == "23505"
-	case *sqlite3.Error:
-		return e.Code == sqlite3.ErrConstraint
-	case sqlite3.Error:
-		return e.Code == sqlite3.ErrConstraint
+	case *sqlite.Error:
+		return e.Code() == lib.SQLITE_CONSTRAINT
 	}
 	return false
 }
--- a/internal/sqlutil/unique_constraint_cgo.go
+++ b/internal/sqlutil/unique_constraint_cgo.go
@ -0,0 +1,36 @@
+// Copyright 2020 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !wasm && cgo
+// +build !wasm,cgo
+
+package sqlutil
+
+import (
+	"github.com/lib/pq"
+	"github.com/mattn/go-sqlite3"
+)
+
+// IsUniqueConstraintViolationErr returns true if the error is an unique_violation error
+func IsUniqueConstraintViolationErr(err error) bool {
+	switch e := err.(type) {
+	case *pq.Error:
+		return e.Code == "23505"
+	case *sqlite3.Error:
+		return e.Code == sqlite3.ErrConstraint
+	case sqlite3.Error:
+		return e.Code == sqlite3.ErrConstraint
+	}
+	return false
+}
--- a/internal/sqlutil/unique_constraint_wasm.go
+++ b/internal/sqlutil/unique_constraint_wasm.go
@ -17,15 +17,16 @@

 package sqlutil

-import "github.com/mattn/go-sqlite3"
+import (
+	"modernc.org/sqlite"
+	lib "modernc.org/sqlite/lib"
+)

 // IsUniqueConstraintViolationErr returns true if the error is an unique_violation error
 func IsUniqueConstraintViolationErr(err error) bool {
 	switch e := err.(type) {
-	case *sqlite3.Error:
-		return e.Code == sqlite3.ErrConstraint
-	case sqlite3.Error:
-		return e.Code == sqlite3.ErrConstraint
+	case *sqlite.Error:
+		return e.Code() == lib.SQLITE_CONSTRAINT
 	}
 	return false
 }
--- a/Show more
+++ b/Show more