The Crysis v1.2 patch has been released and is now available for download. There's a huge bunch of changes, including performance optimisations, gameplay tweaks, bug fixes, and multiplayer updates - check the download page for the full list. Here's a snippet from the 'new features' section:

* Added vehicle-specific shatter effects when vehicles have been frozen.
* Logitech G15 display now fully supported in MP and SP
* Added free-rotation support for spectator camera.
* Added zooming support for spectator camera.
* Added mod loader to the main menu. User created content can now be loaded and unloaded through this menu.
* Improved red near-death HUD effect and visual feedback for player being hit.
* Added additional audio feedback for player hitting enemies. The feedback can be disabled with "g_useHitSoundFeedback 0".
*In single player, AI can now be knocked over while running into them in speed mode.
*Added numbers to energy bar in PowerStruggle for quicker reference