The third patch for Crysis 3 is alive! The new patch 1.3 fixes a bunch of issues and adds support for AMD Eyefinity and HD3D.
To download the 33.7 MB patch, just open your Origin client and the update should start automatically.
Updated 04/06 14:45
There is another patch with 26.6 MB to address some issues found on previous patch released a few days ago.
To address some performance issues that arose with the release of Patch 1.3, a small update has been released. Please update your game by downloading when prompted, or by right-clicking on the Crysis 3 icon and selecting “Check for Update” in Origin.