Changes:
- Added list of favorite and popular Guides to overlay
- Fixed layout of installation wizard when installing multiple apps.
- Fixed rare occurrence of prompting a user to accept the same Steam Subscriber Agreements multiple times.
- Fixed stopping game installation when pressing cancel button in installation wizard
- Disabled trade menu item in multi-user chats
- Fixed retail disc install error "missing app configuration"
- Big Picture: Added support for notifying the user when logging into an account that has already logged in on another machine
- Big Picture: Fixed bug where chat notifications might not be displayed when in game.
- Big Picture: Fixed possibly displaying multiple countdown timers in the store
- Big Picture: Fixed loading animations disappearing before loading was complete
- Big Picture: Fixed crash when entering Big Picture mode while in a voice chat
- Big Picture: Fixed potentially losing input focus while searching the store
- Big Picture: Fixed size of main menu UI sometimes being incorrect when navigating backward in the store
- Big Picture: Added displaying a list of all DLC for an application in the store
- Big Picture: Fixed copied text range sometimes being incorrect if you selected the text to copy in a backwards direction via the mouse
- Big Picture: Support closing URL open dialog in friends chats with cancel hotkey/button
- Big Picture: Fix favorite counts not updating in all games view when you add/remove favorites prior to next restart
- Big Picture: Fix pending friend invites showing up as background of community rather than actual friends
- Big Picture: Improve perf loading community tab background/friends list
- Big Picture: Fix rendering issue with some panels with rounded corners and box shadows with –fulldesktopres command line param
- Big Picture: When in the main Steam view (not in-game overlay) support clicking notification toasts to activate
- Big Picture: Fix footer in main Steam window being disabled while a game is running even if you alt-tab back out to Steam
- Big Picture: Fixed missing string in delete local content confirmation for applications
- Big Picture: Fixed friend and group chats scrolling to bottom on new message even when you are actively trying to scroll the chat yourself
- Big Picture: Fixed mouse wheel scrolling of carousels sometimes getting stuck on leftmost panel
- Big Picture: Added list of favorite and popular Guides to library and overlay