This update is for the Steam Deck Beta and Preview channels, and includes new features that are still being tested. You can opt into this in Settings > System > System Update Channel. Note: This beta contains changes that were simultaneously released to SteamOS stable channel as 3.8.12, noted below General Updated Mesa graphics driver to a new major release, containing many ray-tracing performance improvements, as well as other performance and functionality improvements Greatly improved VRAM...