We have been told that Canon is indeed going to release a full-frame RF mount camera with 100+ megapixels some time in the first half of 2023. The announcement could come later in 2022.
If that’s true that Canon will be the first breaking the 100MP barrier in the Full Frame segment.
So far I have no solid rumor about the A7rV sensor resolution. I have been told Sony worked on at least two different sensor versions. The camera was supposed to be announced in early summer but due the semiconductor shortage the camera is more likely to be on the market in autumn. So now the big question for you is the following: