Here is what has changed on Steam Deck between February 28th through March 1st, 2022.
Fixed thumbstick deadzone regression from a recent firmware update
New app launching animation and layout
UI updates for Aperture Desk Job
Updates to claiming Deck Rewards (accessed from the Notifications panel in quick access menu)
Store event style updates
Library style updates
Search style updates
Localization updates
Configurator updates
Stability improvements to system updater
Improvements to focus / navigation
Improvements to out of box experience
Improvements to Store navigation on Deck
Improvements to shutdown flow
Controller: make sure the personalization file is updated in memory and event sent to UI when it changes on disk
Controller: fixed bug when adding action set layer to config without any action sets yet.
Fixed bug with cloud saves
Fixed duplicate entry bug in friends UI
Fixed missing trading cards in the activity feed
Crash fix for keyboard