Steam

Fixed game updates being stuck in case DLC was removed from subscription
Made further visual updates in response to beta feedback, including fixes for the launch and streaming buttons, notifications border, and flashing chat color
Fixed race condition on game launch that occasionally caused 100% CPU usage
Fixed occasional crash on web view page load
Fixed popup html pages being sized incorrectly under windows
Fixed 2d canvas objects not drawing in web views
Fixed hang when rapidly showing and dismissing pulldown menus in web views
Fixed overlay corruption with some newer game titles
Fixed web helper app lifetime when navigating between top level buttons
Fixed wrong scroll bar style sometimes appearing in web views
Fixed white edge on notifications
Fixed crash in web helper if it failed to initialize itself properly
Set key focus immediately when a helper process has created its browser
Don't hide extra copies of games with separate app IDs per platform if the extra copy is available for streaming
Allow 'Hide this game in my library' for non-Steam games
Fix notification panels having a 1px white border on the left and right edge.
Fixed regression where hover was not apparent on Friends list or notifications menu items
Adjusted app icon to fill footprint
Other minor color modifications
Fixed game names and icons not displaying correctly on the library page
Fixed regression causing a green screen on clients with hardware decoding enabled
Reset hardware encoding setting to default off, to minimize surprises when NVIDIA encoding is unleashed on the world
Added the video encoder and decoder to the client performance display
Fixed Dota 2 constantly downloading Workshop items in some cases
Fixed crash when reloading web pages
Fixed forcing a game update even if you ran the game within the last 5 minutes
Fixed games that had pending updates sometimes not appearing in the downloads view
Updated desktop user interface styles, simplifying common controls and navigation elements, and neutralizing overall color palette to align with Steam web pages and Big Picture mode
Don't delay content updates for games set to high priority
Fixed crash if you clicked on a game on the downloads page or clicked the details option in the games grid view
Add "Hide this game in my library" functionality, accessible from the Set Categories menu. Games that are hidden will not show up in library filters except for a new filter called "Hidden", which will only appear once at least one game is marked as hidden. Hidden games are still available for play and will still appear on the user's profile.
Synchronize selection between main window library views and Small Mode.
Fix game details panel scrolling to the top during game download/update
Fix crash when switching from downloads or grid view to details view
Implemented periodic refresh to help repair screen smearing issue with NVIDIA hardware accelerated encoding
Fixed race condition that could cause streaming connections to fail to connect with a timeout notification
Removed a noisy log message from GameOverlayRenderer.log
Fixed web views not restarting if the underlying helper app crashed
Work around to prevent duplicate key presses in some cases for games running inside Adobe AIR
Add an "Uncategorized" filter in desktop library filter dropdowns. This will appear when a user has at least one game in a category and at least one game that has no categories.
Retain selections when switching filters whenever possible
Retain multiple selections when switching between details and list view
Fixed crash on game launch if you mashed the A button
Fixed helper thread waking up too often causing more context switching load than needed
Fixed bad page loading in the client if you hit the right combination of menu and back button presses
Fixed occasional crash when loading new web pages as a popup
Fixed crash when a page tries to present a Javascript prompt dialog
Add glow effect on hover to 2' library game filter button
Fixed rare streaming client crash
Fixed black screen when streaming D3D8 games
Fixed more cases of the GameOverlay being disabled accidentally
Fix category collapse state getting lost under certain circumstances, like type to search.
Fix type to search in Small View not expanding categories
Fixed regression causing crashes in software decoding
Fixed framerate display when there are many dropped frames
Fixed Big Picture changing to windowed mode after launching a game and exiting
Fixed crash on launching Big Picture if your PC has no sound card (or it is disabled)
Don't show hover effect on list items when a context menu is visible
Fixed software decoding performance with NVIDIA hardware encoding
Improved software decoding performance for clients with multiple CPU cores
Fixed infinitely increasing latency when the client can't decode quickly enough
Slow time reporting is now percentage of session time
Fixed flashing and low framerate when streaming Dark Souls II
Updated Big Picture to make use of the Spaces feature for fullscreen mode
On 10.9 and above ask the OS to prompt for Accessibility access to enable the overlay
Fixed keyboard entry showing the wrong characters for composed languages
Fixed ctrl key being stuck if you hit ctrl+arrow to change spaces
Fixed rare bug causing high CPU usage in the Steam Helper process
Fixed enter key pressing twice in web views
Fixed rare bug causing high CPU usage in the steamwebhelper process
Remove user categories from navigation bar hover menu. They are still available in the game filters drop-down in the library views.
Add context menu to category headers in library views, containing "Expand All" and "Collapse All", and, in details/mini view, "Show/Hide Icons"
Improve category collapse state synchronization between library views.
Make type-to-search properly expand categories in list view. Better synchronize type to search between library views.
Fixed enter key not working correctly in web views
Updated Steam Runtime
Fixed issues with being able to select Steam in the System Accessibility settings
Fixed Print button on CD key registration dialog not printing a receipt
Fixed crash when closing popup windows
Fixed some games crashing on vista 64 bit
Fix smearing when scrolling category filters from nav bar
Eliminate extraneous "Favorite" category when favorites are added from Set Categories instead of Add to Favorites
Fixed dark picture in games like Watch_Dogs
Fixed crash with NVIDIA hardware encoding when streaming Watch_Dogs
Fixed shift key being stuck down after shift-clicking a link in the web view
Added by-category filter options to the filter dropdowns in all library views
When switching between library views, remember the category of the game selected and retain it when possible
In list view with game images selected, display the image on all instances of the game instead of only one
Fixed add to/remove from family games when using multiple selection
Fixed a game losing focus when switching for the first time from details/list view to grid view
Fixed Big Picture overlay flashing when visible
Fixed crash when using web view
Updated Steam Runtime
Fixed keyboard input being slow
Fixed crash in Max Payne 3 with a streaming controller
Fixed crash with Dirt 3 and GRID 2 when there is a local controller attached
Fix color range on NVIDIA cards
Fixed extra steamwebhelper processes staying around after using the in game overlay
When opening a link via middle-click/shift-click have it always launch in front
Fixed web view crashing on mouse movement if you did not have high definition cursors available