Canon posted on 12/21/2004 a firmware update (version 1.0.3) includes the following additional functions and improvements:
* Improvements to AF tracking in AI Servo AF.
* Reduction in color differences between RAW and JPEG thumbnail images.
According to Canon: "This update applies to cameras with firmware version up to 1.0.2 installed. If your camera's firmware is already version 1.0.3, it is not necessary to perform this update."
