Update CHANGELOG.md

Author: LucaMarconato

CHANGELOG.md

@@ -8,11 +8,13 @@ and this project adheres to [Semantic Versioning][].
 [keep a changelog]: https://keepachangelog.com/en/1.0.0/
 [semantic versioning]: https://semver.org/spec/v2.0.0.html
 
-## [0.x.x] - 2024-xx-xx
+## [0.5.3] - 2024-09-25
 
 ### Fixed
 
 - Bug table was not reset after an element without table was added #317
+- Bug when changing channel for a multichannel image #301 #302
+- Bug when plotting catgorical annotations on points #304
 
 ## [0.5.2] - 2024-08-16