update changelog

Author: skttl

CHANGELOG.md

@@ -5,7 +5,13 @@ 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).
 
-## UNRELEASED
+## 9.0.UNRELEASED
+- Fixes bug in DataValueReference for media tracking, where custom DTGEs were not recognized. 4db5cdd
+
+## 1.2.UNRELEASED
+- Fixes bug in DataValueReference for media tracking, where custom DTGEs were not recognized. 4db5cdd
+
+## 9.0.0
 - Updated to Umbraco 9.0.0
 - DocTypeGridEditorSurfaceController replaced by DocTypeGridEditorViewComponent **BREAKING**
 - Finding moved cheese