Changelog for tdlib-devel-1.7.0-1.fc33.x86_64.rpm :

* Sat Nov 28 2020 Vitaly Zaitsev - 1.7.0-1- Updated to version 1.7.0.
* Wed Jul 29 2020 Fedora Release Engineering - 1.6.0-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild