Changelog for gperftools-devel-2.8.1-2.77.el9.x86_64.rpm :

* Tue Dec 14 2021 Alexander Evseev - 2.8.1- New upstream version - 2.8.1
* Tue Apr 07 2020 Alexander Evseev - 2.7.90- New upstream version - 2.7.90
* Thu Jan 23 2020 Alexander Evseev - 2.7- New upstream version - 2.7