diff --git a/sytest-blacklist b/sytest-blacklist
index a0aba69c7..aa458997d 100644
--- a/sytest-blacklist
+++ b/sytest-blacklist
@@ -73,6 +73,8 @@ Local device key changes get to remote servers with correct prev_id
 
 # Flakey
 Local device key changes appear in /keys/changes
+Device list doesn't change if remote server is down
+If a device list update goes missing, the server resyncs on the next one
 
 # we don't support groups
 Remove group category
diff --git a/sytest-whitelist b/sytest-whitelist
index 9f3eb893a..0067e2d24 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -556,3 +556,4 @@ Fails to upload self-signing key without master key
 can fetch self-signing keys over federation
 Changing master key notifies local users
 Changing user-signing key notifies local users
+Inbound federation correctly handles soft failed events as extremities