Changelog for zlib-1.2.11-31.el9.i686.rpm :

* Tue Aug 10 2021 Mohan Boddu - 1.2.11-31- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags Related: rhbz#1991688
* Tue Jul 20 2021 Ondrej Dubaj - 1.2.11-30- Fix for IBM CRC32 optimalization rhbz#1959423
* Thu Jul 15 2021 Ondrej Dubaj - 1.2.11-29- Missing RPM_OPT_FLAGS in CFLAGS (#1972057)
* Thu Jun 03 2021 Patrik Novotný - 1.2.11-28- IBM CRC32 optimalization rhbz#1959423- Enabled Z hardware-accelerated deflate for compression levels 1 through 6 (#1972057)
* Fri Apr 16 2021 Mohan Boddu - 1.2.11-27- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937
* Wed Mar 31 2021 Ondrej Dubaj - 1.2.11-26- fixed covscan issues for rhel-9
* Fri Feb 12 2021 Michal Schorm - 1.2.11-25- Remove ancient PPC64 hack- Remove aarch64 optimalizations (#1936823)
* Thu Jan 28 2021 Fedora Release Engineering - 1.2.11-24- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* 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