diff --git a/CHANGELOG.md b/CHANGELOG.md
index 440239db81..ea324f0e03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,28 @@
+Changes in [3.99.0](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.99.0) (2024-05-07)
+=====================================================================================================
+## ✨ Features
+
+* Use a different error message for UTDs when you weren't in the room. ([#12453](https://github.com/matrix-org/matrix-react-sdk/pull/12453)). Contributed by @uhoreg.
+* Take the Threads Activity Centre out of labs ([#12439](https://github.com/matrix-org/matrix-react-sdk/pull/12439)). Contributed by @dbkr.
+* Expected UTDs: use a different message for UTDs sent before login ([#12391](https://github.com/matrix-org/matrix-react-sdk/pull/12391)). Contributed by @richvdh.
+* Add `Tooltip` to `AccessibleButton` ([#12443](https://github.com/matrix-org/matrix-react-sdk/pull/12443)). Contributed by @florianduros.
+* Add analytics to activity toggles ([#12418](https://github.com/matrix-org/matrix-react-sdk/pull/12418)). Contributed by @dbkr.
+* Decrypt events in reverse order without copying the array ([#12445](https://github.com/matrix-org/matrix-react-sdk/pull/12445)). Contributed by @Johennes.
+* Use new compound tooltip ([#12416](https://github.com/matrix-org/matrix-react-sdk/pull/12416)). Contributed by @florianduros.
+* Expected UTDs: report a different Posthog code ([#12389](https://github.com/matrix-org/matrix-react-sdk/pull/12389)). Contributed by @richvdh.
+
+## 🐛 Bug Fixes
+
+* TAC: Fix accessibility issue when the Release announcement is displayed ([#12484](https://github.com/matrix-org/matrix-react-sdk/pull/12484)). Contributed by @RiotRobot.
+* TAC: Close Release Announcement when TAC button is clicked ([#12485](https://github.com/matrix-org/matrix-react-sdk/pull/12485)). Contributed by @florianduros.
+* MenuItem: fix caption usage ([#12455](https://github.com/matrix-org/matrix-react-sdk/pull/12455)). Contributed by @florianduros.
+* Show the local echo in previews ([#12451](https://github.com/matrix-org/matrix-react-sdk/pull/12451)). Contributed by @langleyd.
+* Fixed the drag and drop of X #27186 ([#12450](https://github.com/matrix-org/matrix-react-sdk/pull/12450)). Contributed by @asimdelvi.
+* Move the TAC to above the button ([#12438](https://github.com/matrix-org/matrix-react-sdk/pull/12438)). Contributed by @dbkr.
+* Use the same logic in previews as the timeline to hide events that should be hidden ([#12434](https://github.com/matrix-org/matrix-react-sdk/pull/12434)). Contributed by @langleyd.
+* Fix selector so maths support doesn't mangle divs ([#12433](https://github.com/matrix-org/matrix-react-sdk/pull/12433)). Contributed by @uhoreg.
+
+
 Changes in [3.98.0](https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.98.0) (2024-04-23)
 =====================================================================================================
 ## ✨ Features
diff --git a/package.json b/package.json
index a3d52e372a..6702d6fbb0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "matrix-react-sdk",
-    "version": "3.99.0-rc.1",
+    "version": "3.99.0",
     "description": "SDK for matrix.org using React",
     "author": "matrix.org",
     "repository": {