The developers mainly focused their work on the speed and ergonomics of the browser. The heart of the software has been reworked to improve performance. It consumes 30% less RAM than its previous version. To dress up this new high-performance browser, they also designed Photon UI. This is a new user interface with a minimalist design that is faster and intuitive. The goal of Photon UI is to modernize and simplify web browsing. The interface has been designed by studying user behavior to best meet their needs. BUT most of our favorite add ons doesn't work anymore ... The first tests show an enhanced privacy and security ...anyway if you don't like it remain Pale Moon and Waterfox