diff --git a/README.md b/README.md
index 34604eff9..bde19b07e 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ If you have further questions, please take a look at [our FAQ](docs/FAQ.md) or j
 See the [Planning your Installation](https://matrix-org.github.io/dendrite/installation/planning) page for
 more information on requirements.
 
-To build Dendrite, you will need Go 1.18 or later.
+To build Dendrite, you will need Go 1.20 or later.
 
 For a usable federating Dendrite deployment, you will also need:
 
diff --git a/docs/administration/5_optimisation.md b/docs/administration/5_optimisation.md
index b327171eb..57b7924d3 100644
--- a/docs/administration/5_optimisation.md
+++ b/docs/administration/5_optimisation.md
@@ -95,7 +95,7 @@ Consider enabling the DNS cache by modifying the `global` section of your config
 ## Time synchronisation
 
 Matrix relies heavily on TLS which requires the system time to be correct. If the clock
-drifts then you may find that federation no works reliably (or at all) and clients may
+drifts then you may find that federation will not work reliably (or at all) and clients may
 struggle to connect to your Dendrite server.
 
 Ensure that the time is synchronised on your system by enabling NTP sync.
diff --git a/roomserver/internal/perform/perform_upgrade.go b/roomserver/internal/perform/perform_upgrade.go
index c32e10d53..9d7c7b567 100644
--- a/roomserver/internal/perform/perform_upgrade.go
+++ b/roomserver/internal/perform/perform_upgrade.go
@@ -368,7 +368,16 @@ func (r *Upgrader) generateInitialEvents(ctx context.Context, oldRoom *api.Query
 	// in the create event (such as for the room types MSC).
 	newCreateContent := map[string]interface{}{}
 	_ = json.Unmarshal(oldCreateEvent.Content(), &newCreateContent)
-	newCreateContent["creator"] = string(senderID)
+
+	switch newVersion {
+	case gomatrixserverlib.RoomVersionV11:
+		// RoomVersionV11 removed the creator field from the create content: https://github.com/matrix-org/matrix-spec-proposals/pull/2175
+		// So if we are upgrading from pre v11, we need to remove the field.
+		delete(newCreateContent, "creator")
+	default:
+		newCreateContent["creator"] = senderID
+	}
+
 	newCreateContent["room_version"] = newVersion
 	newCreateContent["predecessor"] = gomatrixserverlib.PreviousRoom{
 		EventID: tombstoneEvent.EventID(),
diff --git a/userapi/consumers/roomserver.go b/userapi/consumers/roomserver.go
index d5baa074c..6da41f8a1 100644
--- a/userapi/consumers/roomserver.go
+++ b/userapi/consumers/roomserver.go
@@ -266,8 +266,8 @@ func (s *OutputRoomEventConsumer) updateMDirect(ctx context.Context, oldRoomID,
 	directChats := gjson.ParseBytes(directChatsRaw)
 	newDirectChats := make(map[string][]string)
 	// iterate over all userID -> roomIDs
+	var found bool
 	directChats.ForEach(func(userID, roomIDs gjson.Result) bool {
-		var found bool
 		for _, roomID := range roomIDs.Array() {
 			newDirectChats[userID.Str] = append(newDirectChats[userID.Str], roomID.Str)
 			// add the new roomID to m.direct
@@ -276,22 +276,21 @@ func (s *OutputRoomEventConsumer) updateMDirect(ctx context.Context, oldRoomID,
 				newDirectChats[userID.Str] = append(newDirectChats[userID.Str], newRoomID)
 			}
 		}
-		// Only hit the database if we found the old room as a DM for this user
-		if found {
-			var data []byte
-			data, err = json.Marshal(newDirectChats)
-			if err != nil {
-				return true
-			}
-			if err = s.db.SaveAccountData(ctx, localpart, serverName, "", "m.direct", data); err != nil {
-				return true
-			}
-		}
 		return true
 	})
-	if err != nil {
-		return fmt.Errorf("failed to update m.direct state")
+
+	// Only hit the database if we found the old room as a DM for this user
+	if found {
+		var data []byte
+		data, err = json.Marshal(newDirectChats)
+		if err != nil {
+			return err
+		}
+		if err = s.db.SaveAccountData(ctx, localpart, serverName, "", "m.direct", data); err != nil {
+			return fmt.Errorf("failed to update m.direct state: %w", err)
+		}
 	}
+
 	return nil
 }