The Canon EOS R5 II is most likely not going to be a camera series where photographers have two choices. And here's why.
Canon EOS R7 Body with RF70-200/4L is U(N) : Electronics
With a 15 FPS mechanical shutter, the high-performance EOS R7 is the most advanced APS-C camera from Canon. Featuring a high speed shooting 32. 5 MP sensor, in-body stabilization up to 7 stops with coordinated control IS1, and 4K60p video, it offers maximum versatility for capturing photo and video of fast action, wildlife, and everything in between. The perfect all-around camera for dedicated professionals and advanced hobbyists alike.
Canon Eos R7 Body Mirrorless Camera
Canon EOS R5 Review (one of the best cameras on the market, DPRevie
Canon EOS R5 C Lab Test - Rolling Shutter, Dynamic Range and Latitude
Hands-On with the Canon EOS R6 Mark II: It's Basically a Mini R3
Canon EOS R7 Review
Canon EOS R6 Mark II Experience by Douglas Klostermann - Ebook
Testing the Canon R5 for Astrophotography
First Impressions of the Canon EOS R – The Sweet Setup
Canon EOS R5 - First Test Photos (with full resolution samples) — James M. Williams
Canon EOS R5 Review: Canon's Breakthrough Mirrorless Camera Excels for Still Photography