CHANGELOG.md in polyfill-0.4.0 vs CHANGELOG.md in polyfill-0.5.0

@@ -1,4 +1,12 @@
+# [0.5.0][] (2017-03-26)
+
+## Added
+ - Support for Ruby 2.2
+ - :version option to limit the max acceptable version for changes
+ - v2.3 String.new
+ - v2.3 Enumerable#chunk_while
+
 # [0.4.0][] (2017-03-24)
 
 ## Added
 
  - v2.4 Array#sum