FWIW, Firefox has become unpredictable in it's blocking of autoplay for me. It works for me almost all the time it seems, but every so often something will auto

FWIW, Firefox has become unpredictable in it's blocking of autoplay for me. It works for me almost all the time it seems, but every so often something will autoply anyway. I can't figure out the exceptions, and don't know why Firefox allows them. It seems fairly straightforward to me.