Portal 2 has been out for some time now and has received a countless positive reviews and equal praise from the public. The boys and girls at Valve have released an update for the game, offering a number of fixes and improvements - the update is applied automatically via Steam. Here's the word:

• Fixed: Occasional crash after Alt-Tab/minimizing or running in a window on certain graphics hardware.
• Fixed: Crashes and/or graphical glitches after changing video settings without exiting game
• Fixed: Player stuck at the beginning of Chapter 6
• Fixed: Crash attempting to use other weapons (e.g. mods) with Portal 2
• Fixed: Mouse cursor doesn’t highlight UI elements in game on Mac OSX
• Fixed: Numerous localization bugs and improvements (also added Czech and Turkish localized text)
• Fixed: Overflow bug in keyvalues
• Fixed: Voice functionality regression (voice again enabled by default)
• Fixed: Joystick now defaults to off in order to avoid issues with non-joystick hardware that registers itself as a joystick
• Fixed: French sentences are not wrapping correctly in subtitles and commentary
• Improved: Handling of Mac OSX crashes
• Improved: Updates and bug fixes to Robot Enrichment
• Improved: Reliability on unsupported Intel Mobile Series 4 Express chipsets
• Removed: Unsupported console commands (“retry”, “switch_teams”) that caused problems if used

Valve recently announced their plans for the first round of downloadable content for Portal 2, which, as you may already know, is going to be free of charge (bless 'em!).