Changelog for which-2.21-29.el9.x86_64.rpm :

* Mon Mar 27 2023 Than Ngo - 2.21-29- Resolves: #2181974, which fails for long path
* Fri Apr 15 2022 Than Ngo - 2.21-28- Resolves: #2050996, error on login when using ksh as the default shell
* Tue Aug 10 2021 Mohan Boddu - 2.21-27- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags Related: rhbz#1991688
* Fri May 07 2021 Than Ngo - 2.21-26- Related: #1940464, fixed unbound variable
* Fri Apr 16 2021 Mohan Boddu - 2.21-25- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937