Steam Client Update Brings Account Switching, Cloud Sync Fixes, and Controller Improvements

Valve pushed out a fresh stable Steam Client update on September 1, 2026, and a follow-up fix arrived the next day to squash a lingering Windows 10 streaming bug. If you play on a desktop PC, Steam Deck, or SteamOS machine, this is one you will want to download. The headline addition is the ability to switch between Steam accounts while a game is still running. Previously, swapping profiles meant closing every active title first. Now a new toggle in the startup account chooser lets you decide w