May 10, 2011 Patch/da

{{Patch layout
 * source      = http://store.steampowered.com/news/5448/
 * source-title = Portal 2 Update Released
 * before      = Patch d. 6. Maj 2011
 * current     = Patch d. 10. Maj 2011
 * after       = Patch d. 12. Maj 2011
 * notes       =

Portal 2
}}
 * Forbedret MSAA rendering ydeevne for Mac OSX