- Implement [MSC4133](https://github.com/matrix-org/matrix-spec-proposals/pull/4133) for custom profile fields. Contributed by @clokep. ([\#17488](https://github.com/element-hq/synapse/issues/17488)) - Add a query parameter `type` to the [Room State Admin API](https://element-hq.github.io/synapse/develop/admin_api/rooms.html#room-state-api) that filters the state event. ([\#18035](https://github.com/element-hq/synapse/issues/18035)) - Support the new `/auth_metadata` endpoint defined in [MSC2965](https://github.com/matrix-org/matrix-spec-proposals/pull/2965). ([\#18093](https://github.com/element-hq/synapse/issues/18093)) - Fix membership caches not updating in state reset scenarios. ([\#17732](https://github.com/element-hq/synapse/issues/17732)) - Fix rare race where on upgrade to v1.122.0 a long running database upgrade could lock out new events from being received or sent. ([\#18091](https://github.com/element-hq/synapse/issues/18091)) - Document `tls` option for a worker instance in `instance_map`. ([\#18064](https://github.com/element-hq/synapse/issues/18064)) - Remove the unstable [MSC4151](https://github.com/matrix-org/matrix-spec-proposals/pull/4151) implementation. The stable support remains, per [Matrix 1.13](https://spec.matrix.org/v1.13/client-server-api/#post_matrixclientv3roomsroomidreport). ([\#18052](https://github.com/element-hq/synapse/issues/18052)) - Increase invite rate limits (`rc_invites.per_issuer`) for Complement. ([\#18072](https://github.com/element-hq/synapse/issues/18072)) * Bump jinja2 from 3.1.4 to 3.1.5. ([\#18067](https://github.com/element-hq/synapse/issues/18067)) * Bump mypy from 1.12.1 to 1.13.0. ([\#18083](https://github.com/element-hq/synapse/issues/18083)) * Bump pillow from 11.0.0 to 11.1.0. ([\#18084](https://github.com/element-hq/synapse/issues/18084)) * Bump pyo3 from 0.23.3 to 0.23.4. ([\#18079](https://github.com/element-hq/synapse/issues/18079)) * Bump pyopenssl from 24.2.1 to 24.3.0. ([\#18062](https://github.com/element-hq/synapse/issues/18062)) * Bump serde_json from 1.0.134 to 1.0.135. ([\#18081](https://github.com/element-hq/synapse/issues/18081)) * Bump ulid from 1.1.3 to 1.1.4. ([\#18080](https://github.com/element-hq/synapse/issues/18080))