<i>When you take an app that&#x27;s been worked on for 15 or so years and then replace it&#x27;s UI you&#x27;re going to lose a TON of features. They&#x27;ll slowly reintroduce some of the most popular features (hamburger menu will be priority #1!) but there will be a TON that they will not reintroduce. Why?</i><p>Hmm, that&#x27;s how Firefox (then Phoenix) started in the first place in comparison to the bloated Mozilla Application Suite.