updating CHANGELOG.md

CHANGELOG.md

@@ -4,6 +4,13 @@ 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/).
 
+## [0.5.2] 2019-09-
+### Features
+- New environment variables / parameter to set a custom QT theme for the application: BAUH_THEME (--theme)
+### Fixes
+- wrong management panel resizing for some scenarios
+- bad application theme when fusion or breeze are not set as default QT theme / style
+
 ## [0.5.1] - 2019-08-12
 ### Improvements:
 - suggestions are now retrieved asynchronously taking 45% less time.