Change in the Available Shutter Speeds for “ISO sensitivity settings” > “Minimum shutter speed” in the Photo Shooting Menu

In earlier versions of the camera firmware, the selectable shutter speeds for [ISO sensitivity settings] > [Minimum shutter speed] in the photo shooting menu ranged from ¹/₈₀₀₀ to 30 s, but from “C” firmware version 1.20, the range is ¹/₄₀₀₀ to 30 s.