Merge branch 'release-v1.68' into develop

changelog.d/13811.misc

-Fix Docker build when Rust .so has been build locally first.

changelog.d/13814.feature

-Keep track when we fail to process a pulled event over federation so we can intelligently back-off in the future.

changelog.d/13819.misc

-complement: init postgres DB directly inside the target image instead of the base postgres image to fix building using Buildah.

changelog.d/13822.misc

-Support providing an index predicate clause when doing upserts.

changelog.d/13825.bugfix

-Delete associated data from `event_failed_pull_attempts`, `insertion_events`, `insertion_event_extremities`, `insertion_event_extremities`, `insertion_event_extremities` when purging the room.

changelog.d/13826.bugfix

-Fix a long standing bug where device lists would remain cached when remote users left and rejoined the last room shared with the local homeserver.

changelog.d/13827.misc

-Minor speedups to linting in CI.

debian/changelog

+matrix-synapse-py3 (1.68.0~rc1) stable; urgency=medium
+
+  * New Synapse release 1.68.0rc1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 20 Sep 2022 11:18:20 +0100
+
 matrix-synapse-py3 (1.67.0) stable; urgency=medium
 
   * New Synapse release 1.67.0.

docs/upgrade.md

@@ -89,6 +89,13 @@ process, for example:
     dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb
     ```
 
+# Upgrading to v1.68.0
+
+As announced in the upgrade notes for v1.67.0, Synapse now requires a SQLite
+version of 3.27.0 or higher if SQLite is in use and source checkouts of Synapse
+now require a recent Rust compiler.
+
+
 # Upgrading to v1.67.0
 
 ## Direct TCP replication is no longer supported: migrate to Redis
@@ -125,7 +132,7 @@ From the next major release (v1.68.0) Synapse will require SQLite 3.27.0 or
 higher. Synapse v1.67.0 will be the last major release supporting SQLite
 versions 3.22 to 3.26.
 
-Those using docker images or Debian packages from Matrix.org will not be
+Those using Docker images or Debian packages from Matrix.org will not be
 affected. If you have installed from source, you should check the version of 
 SQLite used by Python with:
 
@@ -135,6 +142,7 @@ python -c "import sqlite3; print(sqlite3.sqlite_version)"
 
 If this is too old, refer to your distribution for advice on upgrading.
 
+
 # Upgrading to v1.66.0
 
 ## Delegation of email validation no longer supported

pyproject.toml

@@ -57,7 +57,7 @@ manifest-path = "rust/Cargo.toml"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.67.0"
+version = "1.68.0rc1"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "Apache-2.0"