Changelog for tcl-devel-8.6.4-1.x86_64.rpm :

* Fri Mar 13 2015 Jaroslav Škarvada - 1:8.6.4-1- New version
* Fri Nov 14 2014 Jaroslav Škarvada - 1:8.6.3-1- New version Resolves: rhbz#1163350- Defuzzified patches
* Wed Aug 27 2014 Jaroslav Škarvada - 1:8.6.2-1- New version Resolves: rhbz#1134023
* Mon Aug 18 2014 Fedora Release Engineering - 1:8.6.1-6- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
* Fri Jun 13 2014 Jaroslav Škarvada - 1:8.6.1.1-5- Re-enabled threads (previously reported bugs are no more reproducible)
* Mon Jun 02 2014 Ville Skyttä - 1:8.6.1-4- Use system zlib instead of bundled one