Changelog for which-2.21-15.fc31.x86_64.rpm :

* Sat Jul 27 2019 Fedora Release Engineering - 2.21-15- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Mon Feb 04 2019 Than Ngo - 2.21-14- bump release
* Mon Feb 04 2019 Than Ngo - 2.21-13- bump release
* Sun Feb 03 2019 Fedora Release Engineering - 2.21-12- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Thu Jul 26 2018 Than Ngo - 2.21-11- fixed more coverity issue
* Mon Jul 23 2018 Than Ngo - 2.21-10- Fix coverity issues
* Sat Jul 14 2018 Fedora Release Engineering - 2.21-9- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
* Fri Feb 16 2018 Jason L Tibbitts III - 2.21-8- Fix invalid [ ... ] syntax which results in complaints by zsh. https://bugzilla.redhat.com/show_bug.cgi?id=1546221- Remove pointless Group tag, buildroot cleaning and %defattr.
* Fri Feb 09 2018 Fedora Release Engineering - 2.21-7- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
* Mon Feb 05 2018 Than Ngo - 2.21-6- added CI tests using the standard test interface
* Wed Jan 31 2018 Than Ngo - 2.21-5- fixed bz#1526500 - \'declare\' not found under ksh
* Thu Aug 03 2017 Fedora Release Engineering - 2.21-4- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild