Switch default of --keep-all-metadata to TRUE and add --discard-additional-metadata (RhBug:1992209)

Fix memory leak of `tmp_err` (RhBug:2005781)

Build with legacy hashes (RhBug:2022271)

Update to 0.17.7
Remove insecure hashes SHA-1 and MD5 from the default build (RhBug:1935486)
Fix error when updating repo with removed modules metadata
Exit with status code 1 when loading of repo's metadata fails
Fix memory leaks (RhBug:1998426)
Fix valgrind warnings caused by subprocess calls

Preserve changed API for cr_compress_file_with_stat (RhBug:1973588)

Fix: cr_compress_file_with_stat: Memory leak

Update to 0.17.2
Fix Python deprecation (PY_SSIZE_T_CLEAN) (RhBug:1891785)
Revert back to old c API for destination file of cr_compress_file_with_stat and cr_compress_file to prevent a memory leak
Disable drpm for RHEL >= 9 (RhBug:1914828)
Setting updated/issued_date to None doesn't produce garbage values (RhBug:1921715)
Allow taking __repr__ (__str__) of closed xmlfile and sqlite (RhBug:1913465)

Never leave behind .repodata lock on exit (RhBug:1906831)

Update to 0.16.2
Add module metadata support to createrepo_c (RhBug:1795936)
Fix various memory leaks

Parse xml snippet in smaller parts (RhBug:1859689)

Update to 0.15.11
Add --arch-expand option
Fix various memory leaks

Update to 0.15.10
New option --recycle-pkglist for --update mode
Add restart_suggested field to updatecollectionpackage in updateinfo.xml
Add relogin_suggested field to updatecollectionpackage in updateinfo.xml (Rhbug:1779751)
Export all changelog entries to other.xml in compatibility mode
Enhance error handling when locating repositories (RhBug:1762697)
Clean up temporary .repodata on sigint
Support issued date in epoch format set by Python API (RhBug:1779751)
Allow parsing of xml repodata from string via new API functions (RhBug:1804308)
Fix a bug when setting updateCollectionModule (RhBug:1821781)

Fix incorrect conditional causing libmodulemd support to be disabled (RhBug:1816753)

Add reboot_suggested to UpdateRecord (RhBug:1772466)
Explicitly output boolean values for updateinfo.xml (RhBug:1772466)
Fix modifyrepo_c with modules.yaml as a symbolic link (RhBug:1776399)

Update to 0.15.1
Allow pip to see installation of python3-createrepo_c
Imporove documentation
Remove dependency on deltarpm in favour of drpm
Obsolete createrepo on all Fedoras again (RhBug:1702771)
Fix issue with createrepo_c hanging at the end (RhBug:1714666)
Don't include packages with forbidden control chars in repodata
Depend on the appropriate minimum version of libmodulemd
Add --pkgorigins mode for Koji
Prevent exiting with 0 if errors occur while finalizing repodata.
Add support for reading and merging module metadata
Update --keep-all-metadata to keep all additional metadata, not just updateinfo and groupfile (RhBug:1639287)
mergerepo_c: Add support for --koji simple mode
Fix generating corrupted sqlite files (RhBug: 1696808)
Do not obsolete createrepo on Fedora < 31
mergerepo_c: check if nevra is NULL and warn user about src.rpm naming
Include file timestamp in repomd.xml to allow reproducing exact metadata as produced in the past
Enhance support of zchunk
Support of zchunk
[spec] Fix ldconfig for rhel <= 7
Fix "CR_DELTA_RPM_SUPPORT" redefined warnings
Set to build against Python 3 by default
Update README
Add mergerepo_c --repo-prefix-search and --repo-prefix-replace.
Fix missing packages in mergerepo_c in case multiple VR exists for single pkg in repo.

Backport patch to switch off timestamps on documentation in order to remove