Changelog for botan2-devel-2.12.1-2.el8.x86_64.rpm :

* Sat Jul 04 2020 Thomas Moschny - 2.12.1-2- Backport patch for #1849743 (CBC padding side channel) from 2.14.0.
* Sun Oct 20 2019 Thomas Moschny - 2.12.1-1- Import package.