On Wed, May 3, 2017, at 06:57 AM, Felix Miata wrote: > Be careful what you wish for: > https://www.mozilla.org/en-US/firefox/52.0/releasenotes/ > ... > On Linux, Firefox now requires PulseAudio to play sound and no longer plays > sound directly with ALSA... ALSA sound does work in Firefox ESR 52 https://packages.debian.org/experimental/firefox-esr