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-rw-r--r--activerecord/CHANGELOG.md11
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## Rails 4.0.0 (unreleased) ##
-* Remove IdentityMap *Carlos Antonio da Silva*
+* Remove IdentityMap
+
+ IdentityMap has never graduated to be an "enabled-by-default" feature, due
+ to some inconsistencies with associations, as described in this commit:
+
+ https://github.com/rails/rails/commit/302c912bf6bcd0fa200d964ec2dc4a44abe328a6
+
+ Hence the removal from the codebase, until such issues are fixed.
+
+ *Carlos Antonio da Silva*
* Added the schema cache dump feature.