According to CR, the long awaited Canon EOS R1, EOS R5 Mark II, and RF 35mm f/1.4L USM lens will be officially announced on May 21-23, 2024. Stay tuned for more info.
All signs are pointing to May 21-May 23, 2024 for Canon’s EOS R5 Mark II, EOS R1 (development) and RF 35mm f/1.4L announcements.
— Canon Rumors (@canonrumorsguy) April 8, 2024
The Canon EOS R5 Mark II will be released in June or July 2024, and the release date for EOS R1 is in Q4 of 2024.