Michael Kowalczyk published a nice comparison between the current Ricoh GR II camera and the new/upcoming GR III model:
The Ricoh GR III promo video that was initially removed is now available online again: https://www.youtube.com/watch?v=HfPSoPTSFhQ
The Japanese website bcnretail.com published an interview with Ricoh executives on the new GR camera. Here is a recap
I was told that no external EVF is planned for now for the upcoming Ricoh GR III camera. Here is some additional GR III coverage:
Optyczne published several pictures from Photokina of the upcoming Ricoh GR III camera:
https://www.youtube.com/watch?v=ABDNFtS41Ps The development of a new Ricoh GR III camera is now officially announced. The release is scheduled for early 2019. Update #1 – the above promo vidoe was removed. Update #2 – US press release added:
Why I think we will see a new Ricoh GR camera at the end of September: