The package rpms/firefox.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
http://pkgs.fedoraproject.org/cgit/rpms/firefox.git/commit/?id=4070ba4d8b....
Change:
+ExcludeArch: armv7hl aarch64
Thanks.