nobu	2013-12-16 22:45:06 +0900 (Mon, 16 Dec 2013)

  New Revision: 44248

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=44248

  Log:
    * NEWS: mention about Hash#reject.

  Modified files:
    trunk/NEWS
Index: NEWS
===================================================================
--- NEWS	(revision 44247)
+++ NEWS	(revision 44248)
@@ -133,6 +133,12 @@ with all sufficient information, see the https://github.com/ruby/ruby/blob/trunk/NEWS#L133
 
 === Core classes compatibility issues (excluding feature bug fixes)
 
+* Hash
+  * incompatible changes:
+    * Hash#reject now returns plain Hash object, that is the original object's
+      subclass, instance variables, default value, and taintedness are no longer
+      copied.
+
 * IO
   * incompatible changes:
     * open ignore internal encoding if external encoding is ASCII-8BIT.

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