Prepare patch

Author: loafoe

CHANGELOG.md

@@ -3,6 +3,10 @@ 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](http://semver.org/).
+## v0.39.1
+- Fix notification related issues
+- Improve masking of sensitive values in debug logs
+
 ## v0.39.0
 - HSDP Notification support