Changelog for libpng12-devel-1.2.50-3.fc19.i686.rpm :
Thu Feb 14 13:00:00 2013 Fedora Release Engineering - 1.2.50-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild

Wed Aug 22 14:00:00 2012 Tom Lane 1.2.50-2
- Remove unnecessary use of epoch
Related: #850628

Fri Aug 3 14:00:00 2012 Tom Lane 1.2.50-1
- Update to 1.2.50 (just on general principles)
- Add Obsoletes: libpng-compat

Wed Aug 1 14:00:00 2012 Tom Lane 1.2.49-1
- Created from libpng