System 6.0.5

System 6.0.5 (Finder 6.1, System Software Update 6.0.5) was released in March 1990 and was released to support the Macintosh IIfx. This update included Color Quickdraw, as well as ImageWriter driver 5.2, LaserWriter driver 5.2, and LaserWriter driver 6.0.1, which supported Color Postscript on both Color and B&W LaserWriter printers.