August 18, 2012 Patch

{{Patch layout
 * source = http://forums.steampowered.com/forums/showthread.php?p=32375303#post32375303
 * source-title = Steam User Forums


 * before   = August 16, 2012 Patch
 * current  = August 18, 2012 Patch
 * after    = N/A


 * notes =

Portal 2
No patch notes

Undocumented changes
}}
 * Fixed an issue involving Excursion Funnels and Frankencubes making Chapter 8, Test Chamber unsolvable.