It will break as soon as they update CEF which they were likely dragging their feet on doing to keep Windows 7/8.1 support.
The entire Steam UI is a web page running on embeded chromium (what cef is), They're using an ancient version atm (v85 i believe), current version is v121 and Windows 7/8.1 support was dropped in v110.
Also checkout Heroic Launcher, Epic gives free games every week, there's plenty of fun to have with those too.