Hardware acceleration problem with browsers

Confirmed I got the same problem. Just moved back from Manjaro.

  • On Manjaro, I just need to follow guide from Arch Wiki ( media.ffmpeg.vaapi.enabled to true)
  • On EndeavourOS, I need to add MOZ_WEBRENDER=1 as @daniel suggested, on top of Wiki guide

The main problem is WebRender is forced to be software WR, which doesn’t satisfy the requirement from Arch Wiki:

Ensure you are not running Software WebRender as that will not work as of August 2021. If necessary WebRender can be force enabled…