They make all sorts of good advancements; But its also becoming harder and harder to make a good browser out of Firefox.<p>I've been using FF since Netscape, and it used to be a few settings and we're off. Now, you have to edit policies.json to get updates stopped, autoconfig.js and firefox.cfg to disable telemetry, legacyUserProfileCustomizations to use userChrome.css to get anything like a proper menu system.<p>'Lockwise' has dumbed down the login system so much you can't even change field names, making many sites incompatible. Nor can you import logins from file or even point to installations to import. The add-ons system is like traveling back in time ten years, bugs in everything, and fewer alternatives than ever, still can't figure out how to stop Tree Style Tabs from stealing mouse focus onmouseover like a widget.<p>For the first time in 16 years I'm seriously trying alternatives.