It brought a totally new interface, features such as background replacement and reactions, and more. The Zoom PWA debuted on ChromeOS in 2021 as a significant upgrade over the older Chrome app. Now, Zoom finally defaults to the PWA on Chromebooks. Zoom for Chromebooks started off without many of the features as the same experience on Windows and other platforms but finally caught up thanks to the debut of its Progressive Web App (PWA) last year.