There have been quite a few confirmations from various sources. If it actually has 30+ mp I'm definitely in. It will have advanced subject recognition/tracking. I really the some of the menu changes Canon made in the Case numbers on the R5II and R1. Added user control for Tracking Sensitivity in Auto mode Scrapped Switching Tracked Subjects. Good riddance to that one.
Call me a dinosaur but I like camera to be stills first video second.
If I want a vid I use my iphone
Tis fully weather sealed it seems positive
And pre capture is of interest when doing equine photography