Updated Changelog

Author: Anthropic

CHANGELOG

@@ -1,4 +1,4 @@
-v1.0.0-alpha.4 (unreleased)
+v1.0.0-alpha.4
 --------------
 This is the fourth (of many) alpha and is **NOT ready for production** yet.
 
@@ -21,10 +21,6 @@ v1.0.0-alpha.3
 --------------
 This alpha fixes a few bugs like the annoying "Invalid type, expected array" error when an array content is invalid.
 
-## Known issues
- - In Angular 1.5+ some odd behaviours can occur if refreshing a form with a flash of content experienced
-   The digest cycle is getting stuck under some unknown conditions which is most likely related
-
 ## Changes
 
 ### Fixed