# Steam Steam Client Update: September 1st - Product: Steam (https://whatsnew.fyi/product/steam) - Vendor: Valve - Date: 2026-09-01 - Original notes: https://store.steampowered.com/news/app/1675200/view/689767056035284051 - Permalink: https://whatsnew.fyi/product/steam/releases/2026-09-01-steam-client-update-september-1st - Labels: Platforms: Desktop What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **changed** — Allow changing account while a game is running, with a warning dialog that proceeding will close active games - **added** — Add "Ask which account to use on startup" toggle to startup account chooser - **changed** — Eliminate "change account" confirmation dialog in most cases, bringing up the account chooser directly and then restarting as the chosen account - **changed** — Steam shutdown now waits for just-exited games to finish cloud sync - **changed** — In the Web Browser, bind the left trackpad of Steam Deck/Steam Controller to scroll wheel for navigating non-Steam websites - **fixed** — Fix issues where some Steam Workshop items were not being updated properly - **fixed** — Fix requesting a PIN reset while signed in as a different account restarting with the wrong account signed in - **fixed** — Fix a bug where a single pixel line would sometimes appear above the header on the home screen - **fixed** — Fix an issue where sometimes uninstalling a game would not remove it from the download queue - **fixed** — Fix a crash when suspending/resuming a device after a controller disconnected - **fixed** — Fix some keys not typing properly in Steam Overlay - **added** — Chat messages with suspicious content will now be flagged in group chats, allowing you to report the messages, block the sender, or dismiss the warning - **changed** — Make controller configurations that are shared with other devices or unique to a device more clear in the configurator UI and add an option to split Steam Controller configurations so they are no longer shared with Steam Deck - **changed** — Improve video color range for Remote Play - **added** — Add support for HDR streaming on Steam Deck OLED - **added** — Add support for AV1 video streaming when using the experimental SteamRT3 Steam Client - **fixed** — Fix a case where streaming could show a black window - **fixed** — Fix a bug where Remote Devices with Remote Play enabled weren't showing as Streamable - **fixed** — Fix video frame being clipped when desktop scaling is enabled - **fixed** — Fix framerate drop when using the unlimited bandwidth option when streaming from Steam Deck or Steam Machine We have just shipped an updated Steam Client update to the Stable channel. **General** - Allow changing account while a game is running. In this case, the change account dialog shows a warning that proceeding will close active games. - Added "Ask which account to use on startup" toggle to startup account chooser. - Eliminated "change account" confirmation dialog in most cases. Changing account while Steam is running now brings up the account chooser directly, then restarts as the chosen account. - Steam shutdown now waits for just-exited games to finish cloud sync. - In the Web Browser, the left trackpad of Steam Deck/Steam Controller is now bound to scroll wheel for navigating non-Steam websites. - Fixed issues where some Steam Workshop items were not being updated properly. - Fixed requesting a PIN reset while signed in as a different account restarting with the wrong account signed in. - Fixed a bug where a single pixel line would sometimes appear above the header on the home screen. - Fixed a issue where sometimes uninstalling a game would not remove it from the download queue. - Fixed a crash when suspending/resuming a device after a controller disconnected. **Desktop Mode** - Fixed some keys not typing properly in Steam Overlay. **Friends & Chat** - Chat messages with suspicious content will now be flagged in group chats. You can report the messages, block the sender, or dismiss the warning by activating the notice. **Steam Input** - Make controller configurations that are shared with other devices or unique to a device more clear in the configurator UI and add an option to split Steam Controller configurations so they are no longer shared with Steam Deck. **Remote Play** - Improved video color range. - Added support for HDR streaming on Steam Deck OLED. - Added support for AV1 video streaming when using the experimental SteamRT3 Steam Client. - Fixed a case where streaming could show a black window. - Fixed a bug where Remote Devices with Remote Play enabled weren't showing as Streamable. - Fixed video frame being clipped when desktop scaling is enabled. - Fixed framerate drop when using the unlimited bandwidth option when streaming from Steam Deck or Steam Machine.