User Agent: Mozilla/5.0 (Android 8.0.0; Mobile; rv:66.0) Gecko/66.0 Firefox/66.0
Steps to reproduce:
I suddenly got sound playing.
Since I have the "Block autoplay" setting, I shouldn't have got any sound.
Hello, I managed to reproduce your issue on the release build (65.0.1) but not on the latest Beta build (66.0b7) and Nightly (67.0a1).
Could you install the latest Nightly build and check if the issue still occurs?
Note that I was using Firefox Beta; see the User Agent line in my report:
Currently, I can no longer reproduce the issue, but Google Play Store says that Firefox Beta was upgraded 9 hours ago, so after I reported the bug.
Resolving this as works for me based on Comment 2 and discussion during Fennec triage.
The problem occurs again with Firefox Beta 68.0b11 (on Samsung Galaxy S7) and 68.0b13 (on Gemini). In both cases, I've checked that Settings say "Block autoplay". The problem occurs at least on 20minutes.fr videos. Example:
Adding 68 as affected based on Comment 4.
Hi, issue is reproducible on ESR Firefox Beta 68.1b5 build 1 with device Sony Xperia Z5 (Android 7.0).