diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5966ad68..c3d6b32b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,8 +25,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   processing metrics indicate the time a processor needs to generate all its
   output. Note that not all processors generate these kind of metrics.
 
+### Changed
+
+- `WhisperSTTService` model can now also be a string.
+
+- Added missing * keyword separators in services.
+
 ### Fixed
 
+- `WebsocketServerTransport` doesn't try to send frames anymore if serializers
+  returns `None`.
+
 - Fixed an issue where exceptions that occurred inside frame processors were
   being swallowed and not displayed.