Ricoh has released firmware version 1.11 for its GR III camera. It's not a major update, but if you own a GR III, it's still worth your time to update it.

According to the changelog, firmware version 1.11, an upgrade from 1.10, corrects an issue where playing back a movie on the camera caused the frame rate to drop, as well as an issue where the incorrect firmware was displayed when the GR III was plugged into a macOS computer. Additionally, the update smooths out a number of under-the-hood problems for improved stability.

To update the firmware on your GR III, follow the following steps, as shared by Ricoh:

[1] Provide a formatted SD memory card for the update software. The download file is self-extracting. The following file is extracted. fwdc239b.bin: This is the updated firmware Copy the above Firmware file [fwdc239b.bin] to the root directory in the SD card.
[2] Insert the battery into the camera and confirm the battery is full by battery level indicator then turn the camera off.
[3] Insert the update SD card (prepared in step 1) into the camera and close card cover.
[4] Turn the camera power on while pressing [Menu] button.
[5] [Update the camera firmware] is displayed Select [Execute] by 4-way button and press [OK] button.
[6] The firmware update will start and [Updating] is displayed. *Do not turn OFF the camera while updating.
[7] When update is completed, “Update completed” will be displayed
[8] Turn OFF the camera and remove the SD card from camera. *Confirm the version of firmware with above [How to check version].
[Caution] When updating is finished, the update SD card still contains the Firmware file. If you want to use this card to take pictures, format the card by the camera to delete firmware file first.

You can download the firmware update (28MB) for macOS and Windows computers on the Ricoh GR III download page.