Changelog and version bump

Changelog and version bump

diff --git a/CHANGELOG b/CHANGELOG
index 2029548..45f37d1 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,10 @@
-UNRELEASED
+31-05-2021
+
+- Version 3.3.6
 
   - FEATURE: Introduce support for transport codecs
+  - FIX: event subscription leak in JS after start/stop/start sequence
+  - FEATURE: MessageBus.onVisibilityChange() can be used to trigger a visiblity change check by hand
 
 28-04-2021
 
diff --git a/lib/message_bus/version.rb b/lib/message_bus/version.rb
index 51c28c9..28a2b00 100644
--- a/lib/message_bus/version.rb
+++ b/lib/message_bus/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module MessageBus
-  VERSION = "3.3.5"
+  VERSION = "3.3.6"
 end

GitHub sha: 8acb2ed5