Canon EOS 5D Mark IV firmware version 1.0.4 has been released, and it brings with it a handful of minor bug fixes and improvements. According to the new version's release notes, 1.0.4 'enhances' communication reliability between the SD card and camera, as well as fixing a Finnish language word error, an image issue experienced during long exposures and in bulb mode, and a problem with autofocus.

The full release notes:

Firmware Version 1.0.4 incorporates the following fixes and improvements:

  • 1. Fixes a phenomenon in which a red-colored area may appear at the bottom-center of a captured image when shooting in bulb mode or during a long exposure.
  • 2. Fixes a phenomenon in which the autofocus may not respond when the autofocus is initiated via pressing the shutter button, the AF-ON button or the AE lock button when configured in the custom control menu.
  • 3. Enhances the reliability of communications between the camera and SD card.
  • 4. Fixes incorrect wording on the Finnish language menu screen.

The firmware is available to download now from Canon's support website.

Via: CanonRumors