In April, Valve revealed it was overhauling Steam in a big way — not just a fresh coat of paint, but also unifying the codebase between its Desktop, Big Picture Mode and Steam Deck interfaces, adding new features like a handy cloud notepad and pinnable panels in the in-game overlay, revamping its web browser, screenshot manager and notifications tabs, and adding hardware acceleration for Linux and Mac.
While much of that has been available in beta, today’s the day it goes wide with a…