Changelog for gtk2-devel-2.24.31-1.fc23.i686.rpm :

* Sun Sep 11 2016 Kalev Lember - 2.24.31-1- Update to 2.24.31
* Mon Mar 07 2016 Kalev Lember - 2.24.30-1- Update to 2.24.30
* Fri Dec 11 2015 Kalev Lember - 2.24.29-1- Update to 2.24.29