Relevant footnote from that link: > Firefox currently has a media.webspeech.recognition.enable flag in about:config for this, but actual support is waiting for

Relevant footnote from that link: > Firefox currently has a media.webspeech.recognition.enable flag in about:config for this, but actual support is waiting for permissions to be sorted out. Once again, Google out in front of user permissions and protections getting finalized in standards bodies.