libjxl from home:derselbst project
Sty agraw n unessmres nnek/m
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:derselbst/openSUSE_Tumbleweed/home:derselbst.repo zypper refresh zypper install libjxl