https://wccftech.com/steam-deck-new-client-update-offline-mode/

A new Steam Deck client update is now live, introducing improvements to Offline Mode, dual trackpad features, and more.

The new update improves Offline Mode so that entering and exiting this mode no longer requires restarting Steam. Additionally, the update introduces support for showing the Xbox, PlayStation, and Nintendo Switch controller equivalent of the Steam button in the footer, a new section for app properties, and more.