Changelog for pngquant-2.9.1-8.1.i586.rpm :
Fri Sep 12 14:00:00 2014 Michael Dec 1.8.3-1
- Update to latest upstream version and corrected the .spec

Thu May 3 14:00:00 2012 Craig Barnes - 1.7.2-1
- Update to latest upstream version

Sun Jan 15 13:00:00 2012 Craig Barnes - 1.7.0-1
- Update to latest upstream version

Mon Jan 9 13:00:00 2012 Craig Barnes - 1.6.4-1
- Update to latest version
- Remove Makefile patch (merged upstream)
- Use prefix macro when installing (upstream changed the default prefix)

Wed Dec 28 13:00:00 2011 Craig Barnes - 1.6.2-1
- Initial package