These are the release notes for Commons Collections v3.2.2:

Commons collections is a project to develop and maintain collection classes based on and inspired by the JDK collection framework. This project is JDK 1.2 compatible, and does not use JDK 1.5 generics.

This v3.2.2 release is a security and bug fix release.

This release is fully source and binary compatible with v3.2. For changes since the v3.1 see the v3.2 Release Notes. Note that the method 'protected java.util.Set createSetBasedOnList(java.util.Set, java.util.List)' has been added