Changelog for pg_stat_kcache_13-2.2.1-2.rhel9.x86_64.rpm :

* Mon Aug 22 2022 Devrim Gündüz - 2.2.1-- Update to 2.2.1
* Fri Jun 04 2021 Devrim Gündüz - 2.2.0-2- Remove pgxs patches, and export PATH instead.
* Sun Dec 13 2020 Devrim Gündüz - 2.2.0-1- Update to 2.2.0
* Tue Oct 27 2020 Devrim Gündüz - 2.1.3-2- Use underscore before PostgreSQL version number for consistency, per: https://www.postgresql.org/message-id/CAD%2BGXYMfbMnq3c-eYBRULC3nZ-W69uQ1ww8_0RQtJzoZZzp6ug%40mail.gmail.com