Yeah, except things like YT should use something like VP9, which is unaffected.
Ex (I disabled vulkan, raw draw, ‘dangerous’ webgpu on purpose) :
If you want the proprietary codecs then you can use a different repo/package.
…it seems this has been asked and answered before …
X11 session not working - after driver update - #4 by banjo
https://forum.manjaro.org/t/hardware-video-acceleration-being-disabled-on-mesa/128479/7