Note: 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.
The Steam Client Beta has been updated with the following changes:
Desktop Mode
The overlay tabbed browser will now wait until the overlay has been activated for the first time before restoring saved tabs.
Added an option to In Game settings that allows toggling whether overlay browser tabs will be restored when starting a game.
Steam Input
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Reduced lag when switching between pages in the "Edit Layout" view for configurations with large numbers of action sets/layers/mode-shifts
Source: https://store.steampowered.com/news/app ... 9175800795