Updated CHANGELOG.md

Author: erkanyildiz

CHANGELOG.md

@@ -1,19 +1,22 @@
 ## 19.02
 - Added push notification support for macOS
+- Added provisional push notification permission support for iOS12
 - Added remote config feature
 - Added `recordPushNotificationToken` method to be used after device ID changes
 - Added `clearPushNotificationToken` method to be used after device ID changes
 - Discarded `Push Open` event and replaced it with `Push Action` event
 - Fixed push notification token not being sent on some iOS12 devices
-- Fixed device ID changing request delaying issue
+- Fixed device ID change request delaying issue by discarding delay altogether
 - Fixed internal view controller presenting failure when root view controller is not ready yet
 - Fixed `openURL` freeze caused by iOS
 - Fixed wrong `kCountlyQSKeyLocationIP` key in location info requests
-- Fixed missing `kCountlySRKeyAppKey` in feedback widget requests
+- Fixed missing app key in feedback widget requests
 - Fixed feedback widget dismiss button position
 
 - Other various improvements
     - Discarded separate UIWindow usage for presenting feedback widgets
+    - Added checksum to feedback widget requests
+    - Improved internal logging for request queue