Steam Deck - SteamOS 3.5.8 Preview: Flatlined - Steam News

Note: This update is for the Steam Deck Preview channel, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel. General Fixed an issue where modifying settings in the desktop partition manager could prevent the SD card from being mounted and visible in Steam Fixed an issue in desktop mode where dropping a folder on the desktop would erroneously create a shortcut for every item within the folder.