Changelog for plr_12-8.4.5-1.rhel9.x86_64.rpm :

* Thu May 19 2022 Devrim Gündüz - 8.4.5-1- Update to 8.4.5
* Tue Sep 21 2021 Devrim Gündüz - 8.4.3-1- Update to 8.4.3
* Sat May 29 2021 Devrim Gündüz - 8.4.2-1- Update to 8.4.2, per changes described at: https://github.com/postgres-plr/plr/blob/REL8_4_2/changelog.md- Remove pgxs patches, and export PATH instead.
* Tue Oct 27 2020 Devrim Gündüz - 8.4.1-2- Use underscore before PostgreSQL version number for consistency, per: https://www.postgresql.org/message-id/CAD%2BGXYMfbMnq3c-eYBRULC3nZ-W69uQ1ww8_0RQtJzoZZzp6ug%40mail.gmail.com
* Mon Sep 14 2020 Devrim Gündüz - 8.4.1-1- Update to 8.4.1