Scrolling especially should be much better in multi-process Firefox, because it will be async, so web pages no longer block it. It doesn't fix performance in y

Scrolling especially should be much better in multi-process Firefox, because it will be async, so web pages no longer block it. It doesn't fix performance in your react app, though. I've filed a bug about it: https://bugzilla.mozilla.org/show_bug.cgi?id=1300848 https://bugzilla.mozilla.org/show_bug.cgi?id=1300848