Changelog for gtk+-devel-1.2.10-56.el6.rf.i686.rpm :

* Wed Jan 17 2007 Matthias Clasen 1.2.10-56 - +/- Fix multilib patch (#222163)
* Thu Jan 11 2007 Matthias Clasen 1.2.10-55- Add pkgconfig BR
* Thu Jan 11 2007 Matthias Clasen 1.2.10-54- Fix a multilib conflict (#222163)
* Thu Oct 12 2006 Matthias Clasen 1.2.10-53- Re-add a gdk-pixbuf requirement
* Thu Oct 12 2006 Matthias Clasen 1.2.10-52- Rebuild- Fix BuildRequires
* Wed Mar 01 2006 Karsten Hopp 1.2.10-50- BuildRequires: libXt-devel- ...- Changelog trimmed, see http://svn.rpmforge.net/svn/trunk/rpms/gtk+/gtk+.spec