diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d15a4cf7..419960a76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,16 +1,18 @@
-Changes in [25.2.0-rc.5](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v25.2.0-rc.5) (2023-05-19)
+Changes in [26.0.0-rc.1](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v26.0.0-rc.1) (2023-06-01)
 ============================================================================================================
 
-## 🐛 Bug Fixes
- * Attempt a potential workaround for stuck notifs ([\#3384](https://github.com/matrix-org/matrix-js-sdk/pull/3384)). Fixes vector-im/element-web#25406. Contributed by @andybalaam.
-
-Changes in [25.2.0-rc.4](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v25.2.0-rc.4) (2023-05-16)
-============================================================================================================
+## 🚨 BREAKING CHANGES
+ * Ensure we do not add relations to the wrong timeline ([\#3427](https://github.com/matrix-org/matrix-js-sdk/pull/3427)). Fixes vector-im/element-web#25450 and vector-im/element-web#25494.
+ * Deprecate `QrCodeEvent`, `SasEvent` and `VerificationEvent` ([\#3386](https://github.com/matrix-org/matrix-js-sdk/pull/3386)).
 
 ## 🦖 Deprecations
- * Deprecate device methods in MatrixClient ([\#3357](https://github.com/matrix-org/matrix-js-sdk/pull/3357)).
+ * Move crypto classes into a separate namespace ([\#3385](https://github.com/matrix-org/matrix-js-sdk/pull/3385)).
 
 ## ✨ Features
+ * Mention deno support in the README ([\#3417](https://github.com/matrix-org/matrix-js-sdk/pull/3417)). Contributed by @sigmaSd.
+ * Mark room version 10 as safe ([\#3425](https://github.com/matrix-org/matrix-js-sdk/pull/3425)).
+ * Prioritise entirely supported flows for UIA ([\#3402](https://github.com/matrix-org/matrix-js-sdk/pull/3402)).
+ * Add methods to terminate idb worker ([\#3362](https://github.com/matrix-org/matrix-js-sdk/pull/3362)).
  * Total summary count ([\#3351](https://github.com/matrix-org/matrix-js-sdk/pull/3351)). Contributed by @toger5.
  * Audio concealment ([\#3349](https://github.com/matrix-org/matrix-js-sdk/pull/3349)). Contributed by @toger5.
 
@@ -19,6 +21,11 @@ Changes in [25.2.0-rc.4](https://github.com/matrix-org/matrix-js-sdk/releases/ta
  * Keep measuring a call feed's volume after a stream replacement ([\#3361](https://github.com/matrix-org/matrix-js-sdk/pull/3361)). Fixes vector-im/element-call#1051.
  * Element-R: Avoid uploading a new fallback key at every `/sync` ([\#3338](https://github.com/matrix-org/matrix-js-sdk/pull/3338)). Fixes vector-im/element-web#25215.
  * Accumulate receipts for the main thread and unthreaded separately ([\#3339](https://github.com/matrix-org/matrix-js-sdk/pull/3339)). Fixes vector-im/element-web#24629.
+ * Remove spec non-compliant extended glob format ([\#3423](https://github.com/matrix-org/matrix-js-sdk/pull/3423)). Fixes vector-im/element-web#25474.
+ * Fix bug where original event was inserted into timeline instead of the edit event ([\#3398](https://github.com/matrix-org/matrix-js-sdk/pull/3398)). Contributed by @andybalaam.
+ * Only add a local receipt if it's after an existing receipt ([\#3399](https://github.com/matrix-org/matrix-js-sdk/pull/3399)). Contributed by @andybalaam.
+ * Attempt a potential workaround for stuck notifs ([\#3384](https://github.com/matrix-org/matrix-js-sdk/pull/3384)). Fixes vector-im/element-web#25406. Contributed by @andybalaam.
+ * Fix verification bug with `pendingEventOrdering: "chronological"` ([\#3382](https://github.com/matrix-org/matrix-js-sdk/pull/3382)).
 
 Changes in [25.1.1](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v25.1.1) (2023-05-16)
 ==================================================================================================