Although this article focuses on the Canon R5 and R5C, most of the mods apply to almost every other brand and camera out there.
NEEWER BG-R10 Replacement Battery Grip for Canon EOS R5 R5C R6 R6 Mark
Testing the Canon R5 for Astrophotography
How to hotrod your Canon R5C & R5 on a budget - Newsshooter
PHOLSY M42 to EOS RF-Mount Adapter Compatible with M42 42mm Screw Mount Lens to Canon EOS RF Mount Camera Body for EOS R8, R50, R6 Mark II, R7, R10, R3
PHOLSY Lens Mount Adapter Compatible with Pentax K PK Lens to Canon EOS RF-Mount Camera Body for EOS R8, R50, R6 Mark II, R7, R10, R3, R5, EOS R5C, EOS
NEEWER BG-R10 Replacement Battery Grip for Canon EOS R5 R5C R6 R6 Mark
How to hotrod your Canon R5C & R5 on a budget - Newsshooter
How to Livestream with Canon EOS R (Step-by-Step Guide)
Canon's plans for VR in 2024
The Best Canon Camera (For Photography) Mirrorless & DSLR
Testing the Canon R5 for Astrophotography
Canon R5C VS Canon R5 Video - Two COMPLETELY DIFFERENT cameras!