(In reply to Hugo Osvaldo Barrera from comment #213) > Any ideas if the GTK4 port can help address this issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1880467 > > TLDR: Firefox continues rendering windows in inactive workspaces or that are invisible due to some other reason. This produces continuous CPU load rendering content that is never displayed. It seems that GTK3 doesn't properly reflect an equivalent to wl_surface::frame, so clients don't know that rendering is useless. Wayland should be fixed regardless of Gtk version, we use wl_frame directly. X11 is broken.
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(In reply to Hugo Osvaldo Barrera from comment #213) > Any ideas if the GTK4 port can help address this issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1880467 > > TLDR: Firefox continues rendering windows in inactive workspaces or that are invisible due to some other reason. This produces continuous CPU load rendering content that is never displayed. It seems that GTK3 doesn't properly reflect an equivalent to wl_surface::frame, so clients don't know that rendering is useless. Wayland should be fixed regardless of Gtk version, we use wl_frame directly. X11 is broken (Bug 1826291).