Here is what has been added.......... ScreenPlay 4805 Software Revision History details include: -Sync Threshold control changed to a slider -1080i -> 720p switching improved -1080i -> 480p switching improved -Letterbox support on DVI -Keypad disable option implemented -Lamp life warning set to 2,980 hours -EDID modes made for digital -Keystone adjustment image anomaly resolved. Image no longer changes to horizontal stripe when adjusting keystone setting. -"Setting up image" message no longer partially hidden -Horizontal lines no longer appear at the bottom of a computer image while projector locks to signal -Vertical line in video image no longer appears when Brightness is adjusted in 4:3 or native aspect ratio. -Text in User Settings Saved no longer remains on screen if menu is removed then brought up again Click HERE to upgrade.