Steam Update Enhances Remote Play, HDR Support, Account Switching, and Chat Security
September 2, 2026
A major stable Steam update is live across Desktop, Steam Deck, Steam Machine, and SteamOS, making beta features generally available and strengthening account management, device configurations, and streaming quality while fixing reliability and UI issues.
Remote Play now supports improved color range and HDR streaming for Steam Deck OLED, along with AV1 streaming via the experimental SteamRT3 client; fixes address black windows, unrecognized remote devices as streamable, and video clipping with desktop scaling.
The update also includes fixes for issues such as Steam Workshop item updates, uninstalling a game not clearing the download queue, and crashes when suspending or resuming after a controller disconnect.
Friends & Chat adds automatic and manual moderation tools by flagging suspicious content in group chats, with options to report, block, or dismiss warnings.
A new feature lets users switch Steam accounts while a game is running, accompanied by a warning that active games will close; an account chooser now appears at startup with a streamlined switch process.
The account switching flow has been streamlined: an option asks which account to use every time Steam starts, and switching accounts restarts Steam with the selected login, while the confirmation step for switching is largely removed.
New startup account chooser toggle and an updated startup flow enable users to pick accounts easily, with the system handling immediate restarts to apply the chosen account.
Desktop and platform refreshes improve stability, including updates to the Workshop, server browser filtering, and uninstall queue management.
Desktop Mode now features improved typing in the Steam Overlay and Friends & Chat’s suspicious-content flagging for group chats; Linux-related fixes address Big Picture typing and a suspend/resume crash linked to controller disconnections.
Steam Input gets clearer on which controller configurations are device-specific versus shared, and introduces a split option to keep certain configurations from being shared with Steam Deck.
Big Picture Mode and Deck navigation receive a practical upgrade: the left trackpad on Deck/Controller web browsing can scroll non-Steam websites, plus a fix for a pixel line near the home screen header.
Additional context notes point to two Steam Store posts detailing changes, with GamingOnLinux cited as the source.
Summary based on 4 sources
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Sources

PC Guide • Sep 2, 2026
New Steam Client update goes live for all users with a long list of changes and fixes
GamingOnLinux • Sep 2, 2026
A big Steam stable update is out with improvements for Remote Play, Steam Input and bug fixes