Same for me. I tried to switch back to Firefox a couple of times in the past and couldn't do it. Performance wasn't there and the UI would often hang without re

Same for me. I tried to switch back to Firefox a couple of times in the past and couldn't do it. Performance wasn't there and the UI would often hang without response. But Quantum changed everything. I've been using Nightly since this summer and it's wonderful. I now use it as my default browser.