Changelog for python3-oslo-serialization-2.29.3-1.el8.noarch.rpm :

* Mon Feb 15 2021 RDO 2.29.3-1- Update to 2.29.3
* Thu Oct 03 2019 Joel Capitao 2.29.2-2- Removed python2 subpackages in no el7 distros
* Wed Sep 18 2019 RDO 2.29.2-1- Update to 2.29.2