Although this article focuses on the Canon R5 and R5C, most of the mods apply to almost every other brand and camera out there.
Canon EOS R7 Review & Sample Images by Ken Rockwell
Testing the Canon R5 for Astrophotography
How to hotrod your Canon R5C & R5 on a budget - Newsshooter
Canon R5 C vs C70 – Which One to Pick?
How to hotrod your Canon R5C & R5 on a budget - Newsshooter
Canon EOS R5 C - Cameras - Canon Europe
Can someone explain Canon's wacky naming scheme? : r/canon
Canon EOS R5 C - Cameras - Canon Europe
Testing the Canon R5 for Astrophotography
Testing the Canon R5 for Astrophotography
Focal Reducers – Lens Adapters That Change the Game
How to hotrod your Canon R5C & R5 on a budget - Newsshooter