Firefox popups sometimes don't render

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Firefox popups sometimes don’t render

I just moved from Fedora Workstation to Fedora Kinoite.
Reusing the same Firefox profile, I am having issues getting some popups to render, as you can see in the attached video.

Things I tried

Reset to default some settings

  • gfx.webrender.all,
  • vaapi config that used to be necessary to have vaapi working, and
  • widget.dmabuf.force-enabled.

All of them had to effect.

Install Firefox through Flatpak

I also installed org.freedesktop.Platform.ffmpeg-full alongside it.
Loading the same profile, I got the same result, no effect.

A new profile

Using the CLI flag -P to launch Firefox, I created a test profile and it seems to work. I’d like to avoid using a new profile as the current one contains many things I’m not sure that I could keep, like new tag recent activity, all history, current open sessions, etc.

Video link: Watch Firefox Linux render error | Streamable

2

Alright, I had to write this publicly, or I couldn’t have found the culprit… I guess it’ll be nice to have the solution here for anyone else:

Set gfx.wayland.hdr to false. That solves it.

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