Autoplay in YouTube playlists doesn't work with HTML5, it works with extensions disabled
I've noticed that lately turning autoplay on in YouTube playlists doesn't work when using the HTML5 player.Instead of jumping to the next video, the video finishes playing and instead of the "replay" button, there is a normal play button, though I can replay it normally, but if I want to go to the next video of the list I have to do it manually. I don't have this problem with Flash Player nor if I start Firefox in safe mode.
I would like to fix this without having to reset Firefox, though.
Any suggestions?
Chosen solution
If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
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Chosen Solution
If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
I tried what you suggested and it worked. Thank you!
Turned out that the problematic extension was Adblock Plus. What a pity, it was probably the one I needed the most. I tried updating to the last development version, but the issue persisted, so I filled an issue report:
Is there anything else I could do? Thanks again for your help.
Modified by DaRk_St0rM