Description version: v.1.1Tomb Raider Underworld v1.1 Patch: Inability of users to map the mouse buttons. Inability of users to map the �center camera� button. Some occasional crash fixes. Graphics card stability: A change to re-enable use of some graphics card features on ATI hardware, with their latest drivers. Progress has been made towards addressing stalling on GeForce 6/7 series hardware. Fixed compatibility issues with certain Realtek sound drivers which could cause crashes. Autosaves now made for each chapter. Number of save slots is increased to accommodate these. Bug with ramp not raising in Xibalba. Fixed black screen deadlock when skipping doppelganger cinematic. Issue with door lever at Kraken room entrance. Occasional control issue during headshot move. Fixed an occasional problem when entering a save game filename. Some PDA fixes. Some cinematic subtitle fixes.