Ricoh Japan just released new firmware update version 1.10 for the GR III camera (the firmware is still not listed on the US site). Here is the list of fixes:
The latest Ricoh GR III cameras reviews from Dpreview (studio scene gallery), The Camera Store, Getnavi and more – see also this post for more video reviews (the GR III is now in stock at Adorama):
Photons To Photos published their Ricoh GR III dynamic range sensor measurements. Here are a few comparisons with different camera models (click for larger view):