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No youtube flash player in FF43 again? Come on Mozilla.

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Everything was fixed in the FF42, you could play youtube videos using fast and smooth Flash Player, after FF43 update there's HTML5 player only again. Am I the only one? Do I need to downgrade again?

Everything was fixed in the FF42, you could play youtube videos using fast and smooth Flash Player, after FF43 update there's HTML5 player only again. Am I the only one? Do I need to downgrade again?

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Did you try to install flash player?

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Flash Player version 20,0,0,235 is installed.

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I have to use "youtube flash enforce" addons to play flash in youtube - it will never do it without such addons. It has been like that for the past ~6 months for me, if not even longer.

Try changing what addon you are using to force flash on youtube, perhaps the one you got is currently bugged.

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I have FF42 right now and youtube uses flash to play videos without any addons. I think I'll downgrade further back to FF39.0.3 because it worked smoother for me (i upgraded to FF42 this week).

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Perhaps it is set to use html5 player when possible instead of Flash on Youtube site as you can see at youtube.com/html5

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It's set but that's not the problem - it's also locked, I cannot change it. The same situation happed on FF40, FF42 fixed it and now it's locked again on FF43.