Someone mentioned GTK3's Broadway backend in another comment. Try this (the two mentioned commands come with the gtk3 package): - In one terminal, run 'broadw

Someone mentioned GTK3's Broadway backend in another comment. Try this (the two mentioned commands come with the gtk3 package): - In one terminal, run 'broadwayd' - In another terminal, run 'GDK_BACKEND=broadway BROADWAY_DISPLAY=:0 gtk3-demo' - In _your Web browser_, go to http://localhost:8080/ http://localhost:8080/ - Reattach jaw