https://wccftech.com/steam-deck-new-client-and-os-update-introduces-lock-screen-feature-power-improvements-ftpm-support-enabling-win-11-installation-and-more/

A new Steam Deck Client and OS update has gone live today, introducing a new Lock Screen feature and many other improvements.

The Lock Screen feature allows the user to turn on a lock screen and PIN for the system. It can be set up to show on wake, boot, and when switching to Desktop mode. The update also adds localized keyboards for 21 languages and layouts, support for multiple windows within one application or game, an updated Achievements page design, and more.