zlacker

The about:config settings which you can look up:

    media.autoplay.blocking_policy
    media.autoplay.default

I have mine set to 2 and 5 respectively.

>>styana+(OP)
FWIW, blocking policy on 2 blocks (at least some, Qobuz for me) streaming sites and bandcamp (bandcamp being the more problematic one as every band is on their own subdomain and you can’t (I think) just allow all of them).