1. Fixes a phenomenon in which the camera stops working when the auto power off setting takes effect.
2. Fixes a phenomenon in which the maximum number of images that can be captured in a burst displayed in the
viewfinder may be less than what can actually be captured.
3. Corrects some errors in the message displayed on the LCD screen when saving RAW images developed in the
camera (these errors do not appear in the Japanese and Korean language displays.)
You can read Canon’s press release here.