diff --git a/CHANGELOG.md b/CHANGELOG.md
index 224106a..dfe03d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 2.0.0-dev.3
+## 2.0.0-nullsafety.4
 
 ### New Features
 
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Breaking Changes
 
+- Migrate to non-nullable by default.
 - `isAllowRecording` -> `enableRecording`
 - `isOnlyAllowRecording` -> `onlyAllowRecording`