change log

CHANGELOG.md

@@ -4,6 +4,20 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](https://semver.org/)
 
+## [4.9.0] 2025-02-20
+
+### Added
+
+- TypedEntitySchema - A custom entity schema that holds entities of a specific type (e.g. files)
+- FileEntitySchema - Entity schema that holds a collection of files
+- testing module with different context classes for tests:
+  - TestUserContext
+  - TestPluginContext
+  - TestTaskContext
+  - TestExecutionContext
+  - TestSystemContext
+
+
 ## [4.8.0] 2024-09-12 - shipped with DI v24.3.0
 
 ### Added