Article 5ACMK [SOLVED] Firefox not playing some Youtube videos

[SOLVED] Firefox not playing some Youtube videos

by
mlangdn
from LinuxQuestions.org on (#5ACMK)
Starting yesterday, Firefox (in current) stopped playing some youtube videos. It doesn't seem to follow a reason. I get this error when it happens:

Code:Your browser does not currently recognize any of the video formats available.
Click here to visit our frequently asked questions about HTML5 video.So I click there and it tells me that I am up-to-date???

So I go to chromium, and all is well. Everything plays.

Not sure what to do on this. Almighty Google has not provided much.

On another note Disney+ won't play in Firefox. I browse around, select something, and it just sits there.....

I haven't changed anything in Firefox. My only add-on is Adblock Plus.latest?d=yIl2AUoC8zA latest?i=RAmMEdsvZEQ:qdbAnzkUmjc:F7zBnMy latest?i=RAmMEdsvZEQ:qdbAnzkUmjc:V_sGLiP latest?d=qj6IDK7rITs latest?i=RAmMEdsvZEQ:qdbAnzkUmjc:gIN9vFwRAmMEdsvZEQ
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