4.0.0

Author: compulim

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [4.0.0] - 2018-12-10
 ### Added
 - New playground for better debuggability
 - Support of Speech Services SDK, with automated unit tests for speech recognition