I guess this is now a direct competition news: Canon EOS R specs and image leaked – 43 Rumors

Canon R Review Camera Decision

Canon EOS R Review

The Canon EOS R50 will be announced in Q1 2023 [CR3]

Panasonic S1 sensor review at DxOmark: “performs practically identically to its most direct competitors” - L mount system camera rumors and news

Canon R8 « NEW CAMERA

Fujifilm X-H2S Just Got Incredible Improvements via Firmware Update (and What about the Older Reviews Now?) - Fuji Rumors

Canon R8 « NEW CAMERA

Why are mirrorless cameras introducing new lens mounts? Why isn't it just about removing the mirror and keep the existing lens system? - Quora

Competition news: Canon officially announces the EOS-R5 8K camera development…Sony wake up and deliver the A7sII successor! – sonyalpharumors

New Sony A9III camera will have a new 50MP sensor and record 8K30p to compete with the Canon - mirrorlessrumors

EOS R and Mirrorless rumours. Archive 2012-2018

EOS R and Mirrorless rumours. Archive 2012-2018

Canon EOS M5 Review

The demise of the DSLR – Ming Thein

What does Dave Haynie think of the Leica Q camera? - Quora