Canon Japan has just issued a press release that pre-orders for the new Canon EOS R5 (B&H/Adorama/Amazon) & EOS R6 (B&H/Adorama/Amazon) & BG-R10 battery grip is exceed than company’s forecast, this means you may not get your cameras on time at the release date. So if you want get EOS R5/EORS R6 early, you’d better order ASAP.
From Canon Japan:
Guidance on product supply status
Posted: July 10, 2020
Regarding the following products announced on July 9, 2020, if you order more than expected, it may take time to deliver the products.
[Applicable Products] EOS R5/EOS R6/Battery Grip BG-R10
We apologize for the inconvenience, and thank you for your understanding.