https://bugs.kde.org/show_bug.cgi?id=427920
ByteEnable <byteena...@outlook.com> changed:
What |Removed |Added
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CC| |byteena...@outlook.com
--- Comment #33 from ByteEnable <byteena...@outlook.com> ---
I have experienced the same issue with Plasma 5.21.3 on Fedora 33. Can confirm
disabling fullscreen desktop effects resolves the issue. I am using HDMI out to
a monitor attached to my laptop at 16:9. The laptop screen is disabled in
Display Settings and only the HDMI monitor is selected and is primary. I am
using NVidia drivers and the Compositor is set to use OpenGL 3.1.
The issue is very reproducible for me. The steps below will reproduce for any
browser, including Chromium.
1. Open Firefox.
2. Maximize Firefox to fullscreen.
3. Navigate to YouTube.
4. Click on any YouTube video.
5. Press play on the YouTube video.
6. Press the fullscreen button on the YouTube video.
7. The whole screen is now black.
8. Press ESC to recover.
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