diff --git a/CHANGELOG.md b/CHANGELOG.md
index b588020eb7..241ee65d62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,30 @@
+Changes in [3.80.0-rc.1](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.80.0-rc.1) (2023-09-05)
+===============================================================================================================
+
+## ✨ Features
+ * Allow creating public knock rooms ([\#11481](https://github.com/matrix-org/matrix-react-sdk/pull/11481)). Contributed by @charlynguyen.
+ * Render custom images in reactions according to MSC4027 ([\#11087](https://github.com/matrix-org/matrix-react-sdk/pull/11087)). Contributed by @sumnerevans.
+ * Introduce room knocks bar ([\#11475](https://github.com/matrix-org/matrix-react-sdk/pull/11475)). Contributed by @charlynguyen.
+ * Room header UI updates ([\#11507](https://github.com/matrix-org/matrix-react-sdk/pull/11507)). Fixes vector-im/element-web#25892.
+ * Remove green "verified" bar for encrypted events ([\#11496](https://github.com/matrix-org/matrix-react-sdk/pull/11496)).
+ * Update member count on room summary update ([\#11488](https://github.com/matrix-org/matrix-react-sdk/pull/11488)).
+ * Support for E2EE in Element Call  ([\#11492](https://github.com/matrix-org/matrix-react-sdk/pull/11492)).
+ * Allow requesting to join knock rooms via spotlight ([\#11482](https://github.com/matrix-org/matrix-react-sdk/pull/11482)). Contributed by @charlynguyen.
+ * Lock out the first tab if Element is opened in a second tab. ([\#11425](https://github.com/matrix-org/matrix-react-sdk/pull/11425)). Fixes vector-im/element-web#25157.
+ * Change avatar to use Compound implementation ([\#11448](https://github.com/matrix-org/matrix-react-sdk/pull/11448)).
+
+## 🐛 Bug Fixes
+ * Use RoomStateEvent.Update for knocks ([\#11516](https://github.com/matrix-org/matrix-react-sdk/pull/11516)). Contributed by @charlynguyen.
+ * Prevent event propagation when clicking icon buttons ([\#11515](https://github.com/matrix-org/matrix-react-sdk/pull/11515)).
+ * Only display RoomKnocksBar when feature flag is enabled ([\#11513](https://github.com/matrix-org/matrix-react-sdk/pull/11513)). Contributed by @andybalaam.
+ * Fix avatars of knock members for people tab of room settings ([\#11506](https://github.com/matrix-org/matrix-react-sdk/pull/11506)). Fixes vector-im/element-web#26083. Contributed by @charlynguyen.
+ * Fixes read receipt avatar offset ([\#11483](https://github.com/matrix-org/matrix-react-sdk/pull/11483)). Fixes vector-im/element-web#26067, vector-im/element-web#26064 vector-im/element-web#26059 and vector-im/element-web#26061.
+ * Fix avatar defects ([\#11473](https://github.com/matrix-org/matrix-react-sdk/pull/11473)). Fixes vector-im/element-web#26051 and vector-im/element-web#26046.
+ * Fix consistent avatar output for Percy ([\#11472](https://github.com/matrix-org/matrix-react-sdk/pull/11472)). Fixes vector-im/element-web#26049 and vector-im/element-web#26052.
+ * Fix colour of avatar and colour matching with username ([\#11470](https://github.com/matrix-org/matrix-react-sdk/pull/11470)). Fixes vector-im/element-web#26042.
+ * Fix incompatibility of Soft Logout with Element-R ([\#11468](https://github.com/matrix-org/matrix-react-sdk/pull/11468)).
+ * Fix instances of double translation and guard translation calls using typescript ([\#11443](https://github.com/matrix-org/matrix-react-sdk/pull/11443)).
+
 Changes in [3.79.0](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.79.0) (2023-08-29)
 =====================================================================================================