Looks like the fix was released to Noble updates on 19 June as part of 470.256.02-0ubuntu0.24.04.1, just not mentioned in the changelog.
** Changed in: nvidia-graphics-drivers-470 (Ubuntu Noble) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk4 in Ubuntu. https://bugs.launchpad.net/bugs/2061079 Title: GTK-ngl (new default backend) rendering issues with the nvidia 470 driver To manage notifications about this bug go to: https://bugs.launchpad.net/gtk/+bug/2061079/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs