Changelog for surf-2.1-lp155.2.5.x86_64.rpm :

* Fri Jan 12 2024 Jordi Fita - 2.1- Declare dependencies with pkgconfig(…) macro, as this way works with openSUSE Leap 15.6 too: libgcr-devel is not version 4.x.
* Sat Sep 10 2022 Jordi Fita - 2.1- Update to version 2.1