Changelog for ncbi-blast+-2.2.28-1.fc20.x86_64.rpm :
Tue Aug 20 14:00:00 2013 Jan Kaluza - 2.2.28-1
- changed .spec file to fit Fedora Packaging Guidelines

Mon Jul 21 14:00:00 2008 Christiam Camacho - 2.2.26-1
- See ChangeLog file