Seems like the usage of alsamixer resides in lubuntu-default-settings. I'll upload a new lubuntu-default-settings to Xenial that makes this change.
NOTE TO SRU TEAM: lubuntu-meta and lubuntu-default-settings should be released to xenial-updates at the same time. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1710993 Title: PulseAudio requirement breaks Firefox on ALSA-only systems after 55.0.1 update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lubuntu-default-settings/+bug/1710993/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs