Changelog for zlib-1.2.11-23.fc33.i686.rpm :

* Wed Nov 18 2020 Ondrej Dubaj - 1.2.11-23- backport IBM Z updates to fedora
* Wed Jul 29 2020 Fedora Release Engineering - 1.2.11-22- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Fri Jan 31 2020 Fedora Release Engineering - 1.2.11-21- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Tue Oct 29 2019 Ondrej Dubaj - 1.2.11-20- Added -DDFLTCC parameter to configure to enable - Z hardware-accelerated deflate for s390x architectures (#1659433)
* Thu Sep 05 2019 Ondrej Dubaj - 1.2.11-19- IBM CRC32 optimalization for POWER 8+ architectures re-add- fixed firefox crash duer to zlib (#1741266)- added test for crc32
* Thu Aug 15 2019 Ondrej Dubaj - 1.2.11-18- IBM CRC32 optimalization for POWER 8+ architectures revert
* Thu Aug 01 2019 Ondrej Dubaj - 1.2.11-17- IBM Z hardware-accelerated deflate for s390x architectures- IBM CRC32 optimalization for POWER 8+ architectures
* Sat Jul 27 2019 Fedora Release Engineering - 1.2.11-16- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Sun Feb 03 2019 Fedora Release Engineering - 1.2.11-15- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild