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:
General
Fixed notifications for achievements not firing when offline
Desktop Mode
Fixed main client window taking focus from other Steam windows when navigation menus are hovered.
Steam Input
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Fixed some cases where navigation changes from the previous beta could result in a blank page in the configurator
Source: https://store.steampowered.com/news/app ... 5862814044