Changelog for glibmm2.68-doc-2.70.0-1.fc35.noarch.rpm :

* Wed Oct 27 2021 Kalev Lember 2.70.0-1- Update to 2.70.0
* Tue Sep 14 2021 Kalev Lember 2.68.1-1- Initial build of the new parallel installable glibmm-2.68 ABI version