Changelog for libheif1-1.9.1-5.5.x86_64.rpm :

* Tue Oct 13 2020 Andreas Schneider - Fix the License
* Mon Oct 12 2020 Andreas Schneider - Only build with AV1-AVIF support- Update to version 1.9.1
* https://github.com/strukturag/libheif/releases/tag/v1.9.1
* Sun Jul 08 2018 plinnellAATTopensuse.org- initial package for 1.3.2