- Add rate limit `rc_presence.per_user`. This prevents load from excessive presence updates sent by clients via sync api. Also rate limit `/_matrix/client/v3/presence` as per the spec. Contributed by @rda0. ([\#18000](https://github.com/element-hq/synapse/issues/18000)) - Deactivated users will no longer automatically accept an invite when `auto_accept_invites` is enabled. ([\#18073](https://github.com/element-hq/synapse/issues/18073)) - Fix join being denied after being invited over federation. Also fixes other out-of-band membership transitions. ([\#18075](https://github.com/element-hq/synapse/issues/18075)) - Updates contributed `docker-compose.yml` file to PostgreSQL v15, as v12 is no longer supported by Synapse. Contributed by @maxkratz. ([\#18089](https://github.com/element-hq/synapse/issues/18089)) - Fix rare edge case where state groups could be deleted while we are persisting new events that reference them. ([\#18107](https://github.com/element-hq/synapse/issues/18107), [\#18130](https://github.com/element-hq/synapse/issues/18130), [\#18131](https://github.com/element-hq/synapse/issues/18131)) - Raise an error if someone is using an incorrect suffix in a config duration string. ([\#18112](https://github.com/element-hq/synapse/issues/18112)) - Fix a bug where the [Delete Room Admin API](https://element-hq.github.io/synapse/latest/admin_api/rooms.html#version-2-new-version) would fail if the `block` parameter was set to `true` and a worker other than the main process was configured to handle background tasks. ([\#18119](https://github.com/element-hq/synapse/issues/18119)) - Increase the length of the generated `nonce` parameter when perfoming OIDC logins to comply with the TI-Messenger spec. ([\#18109](https://github.com/element-hq/synapse/issues/18109)) * Bump dawidd6/action-download-artifact from 7 to 8. ([\#18108](https://github.com/element-hq/synapse/issues/18108)) * Bump log from 0.4.22 to 0.4.25. ([\#18098](https://github.com/element-hq/synapse/issues/18098)) * Bump python-multipart from 0.0.18 to 0.0.20. ([\#18096](https://github.com/element-hq/synapse/issues/18096)) * Bump serde_json from 1.0.135 to 1.0.137. ([\#18099](https://github.com/element-hq/synapse/issues/18099)) * Bump types-bleach from 6.1.0.20240331 to 6.2.0.20241123. ([\#18082](https://github.com/element-hq/synapse/issues/18082))