firefox-esr-branding-openSUSE.src: W: invalid-spec-name
The spec file name (without the .spec suffix) must match the package name
("Name:" tag). Either rename your package or the specfile.

firefox-esr-branding-openSUSE.aarch64: W: no-version-in-last-changelog
firefox-esr-branding-openSUSE.src: W: no-version-in-last-changelog
The latest changelog entry doesn't contain a version. Please insert the
version that is coherent with the version of the package and rebuild it.

firefox-esr-branding-openSUSE.aarch64: W: suse-branding-missing-conflicts firefox-esr-branding
Any branding flavor package that provides the generic branding must also
conflict with all other branding packages via conflict on the generic branding
name

2 packages and 0 specfiles checked; 0 errors, 4 warnings.