1.148.0rc1

Author: sandhose

CHANGES.md

@@ -1,3 +1,27 @@
+# Synapse 1.148.0rc1 (2026-02-17)
+
+## Features
+
+- Support sending and receiving [MSC4354 Sticky Event](https://github.com/matrix-org/matrix-spec-proposals/pull/4354) metadata. ([\#19365](https://github.com/element-hq/synapse/issues/19365))
+
+## Improved Documentation
+
+- Fix reference to the `experimental_features` section of config. ([\#19435](https://github.com/element-hq/synapse/issues/19435))
+
+## Deprecations and Removals
+
+- Remove support for [MSC3244: Room version capabilities](https://github.com/matrix-org/matrix-spec-proposals/pull/3244) as the MSC was rejected. ([\#19429](https://github.com/element-hq/synapse/issues/19429))
+
+## Internal Changes
+
+- Add in-repo Complement tests so we can test Synapse specific behavior at an end-to-end level. ([\#19406](https://github.com/element-hq/synapse/issues/19406))
+- Push Synapse docker images to Element OCI Registry. ([\#19420](https://github.com/element-hq/synapse/issues/19420))
+- Allow configuring the Rust HTTP client to use HTTP/2 only. ([\#19457](https://github.com/element-hq/synapse/issues/19457))
+- Correctly refuse to start if the Rust workspace config has changed and the Rust library has not been rebuilt. ([\#19470](https://github.com/element-hq/synapse/issues/19470))
+
+
+
+
 # Synapse 1.147.1 (2026-02-12)
 
 ## Internal Changes

changelog.d/19365.feature

@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.148.0~rc1) stable; urgency=medium
+
+  * New synapse release 1.148.0rc1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 17 Feb 2026 16:44:08 +0000
+
 matrix-synapse-py3 (1.147.1) stable; urgency=medium
 
   * New synapse release 1.147.1.

changelog.d/19406.misc

@@ -1,6 +1,6 @@
 [project]
 name = "matrix-synapse"
-version = "1.147.1"
+version = "1.148.0rc1"
 description = "Homeserver for the Matrix decentralised comms protocol"
 readme = "README.rst"
 authors = [