2013-04-05 PMD 5.0.3: minor version with lots of bug fixes (Changelog)
2013-02-03 PMD 5.0.2: minor version with lots of bug fixes (Changelog)
2012-11-28 PMD 5.0.1: minor version with lots of bug fixes.
2012-07-29 PMD on github: Our source code repository is now on github.
You can easily fork it from here: https://github.com/pmd/pmd.
2012-05-01 PMD 5.0.0: major version supporting additional languages and new rules (Changelog)
Note: PMD 5 is not backwards compatible with PMD 4.x.