Update CHANGELOG.md

Author: DavidF-Dev

CHANGELOG.md

@@ -5,6 +5,9 @@ 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).
 
 ## [Unreleased]
+- Added option to tween using unscaled delta time.
+- Added JetBrain annotations.
+- Replaced exceptions with Debug.Warning.
 
 ## [1.0.1] - 2022-01-30
 - Changed tween to stop if an exception occurs in the update logic.