Yeah this is a dup bug 1683487. I confirmed the issue on my Linux box with a tweak in [nsWindow::WidgetTypeSupportsAcceleration](https://searchfox.org/mozilla-central/rev/a0ccd492719b1ad2106f6456549be62a76f45acb/widget/gtk/nsWindow.cpp#931-933) to emulate bug 1683487, and confirmed the fix for 1683487 also fixes this issue.
Bug 1684445 Comment 4 Edit History
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Yeah this is a dup of bug 1683487. I confirmed the issue on my Linux box with a tweak in [nsWindow::WidgetTypeSupportsAcceleration](https://searchfox.org/mozilla-central/rev/a0ccd492719b1ad2106f6456549be62a76f45acb/widget/gtk/nsWindow.cpp#931-933) to emulate bug 1683487, and confirmed the fix for 1683487 also fixes this issue.