Update changelog.

CHANGELOG.md

@@ -1,6 +1,12 @@
 # Upcoming Wekan release
 
-This release fixes the following bugs:
+This release adds the following new features:
+
+- [Add support for CORS headers "Access-control-allow-headers" and
+  "Access-control-expose-headers"](https://github.com/wekan/wekan/pull/2429).
+  Thanks to risacher.
+
+and fixes the following bugs:
 
 - [Fix Scope parsing Issue for OAuth2 Login with simple String](https://github.com/wekan/wekan/pulls/2427).
   Thanks to DominikPf.