Finally found a working graphical Emacs browser! I've been looking for just this since webkit widgets died. In my experience on macOS, EAF was very buggy (plus spawning an ugly extra Python window).

This comes with a lovely transient menu even!

Installation was quite smooth, works just as advertised. Still have some hiccups (link hinting often requires multiple calls to detect; events get stuck after pressing Google AI Search popup; on first setup displays what appears to be an undismissable chromium video cast popup; consumes more CPU than ideal), but altogether something I definitely can work with!