July 26, 2013 Patch
From Dota 2 Wiki
Made hero loadout model preview bigger in the main menu.
Added practice lobby button to swap Radiant and Dire teams.
Limited number of selectable matchmaking regions to six.
New users are able to watch live games before completing the tutorials.
Wins and level are now hidden for players that aren't friends and don't have 'Share Match History' in the options enabled
Fixed keybindings not being saved properly for Xbox controllers
Added Dire courier icons to minimap for Spectators
Fixed a crash when selecting all units while spectating
Fixed dota_embers convar value being forgotten when the game is restarted
Spectators can select wards to see their vision or truesight radius.
Added Xbox controller support for Dota TV
Left / right bumper = Cycle back or forward through the heroes on the field
Start button = Pause (Replay only)
Back button = Rewind (Replay only)
D-Pad up / down = Cycle through stats dropdown menu
D-Pad left / right = Slow down or speed up replay speed
Y button = Show gold graph
X button = Show XP graph
B button = Dismiss open graphs, reset playback speed, revert camera to previous mode (after cycling heroes)
Reduced average wait time and reduced incidence of extremely long wait times
Added further explanation of International Fantasy Challenge rules.
Exposed the roles of players in International Fantasy Challenge Bench slots.
Completing the creation of an International Fantasy Challenge team now grants you the Mammoth mount for your Smeevil.
Completing all the Main Event Predictions now grants you the Bird mount for your Smeevil.
Made the chat wheel work
Added intro movie for new users, fixed black screen displaying for new users
Fixed bugs with some tooltips missing text on what abilities do
Fixed outline color of target units to match what Windows shows
Fixed some rendering issues
Fixed some crashes
A variety of performance improvements
Fixes to audio (silence, crashes)
Mac: More robust mouse grab
Mac: Allow setting "Unit Speech" to "All" in audio settings.
Linux: Fixed hang when pasting from the clipboard under certain conditions
Fixed some issues with base attack sound modifier (e.g. Tiny's Scepter attacks)
Adjusted limits on Chen ult target sounds
Added new tournament items:
Gave the International courier a model