According to source, the Canon EOS R5 will get a major firmware update in February next month. Currently beta version of this firmware has already out for select photographers. Canon EOS R5 currently is in stock at Amazon US.
Canon has officially released new firmwares version 1.2.0 for Canon EOS R5 and EOS R6 today. Canon also released firmware updates for EOS R, EOS Ra, EOS RP and the EOS-1D X Mark III. You can download firmware updates through links below:
Canon has just released new firmware updates for EOS R5 (B&H/Adorama/Amazon) and EOS R6 (B&H/Adorama/Amazon) full frame mirrorless cameras. The firmware version is version 1.1.1, you can take a look at below and download the firmware:
Canon today has officially released a new firmware update version 1.1.0 for Canon EOS R5 (B&H/Adorama/Amazon). You can see above Gordon Laing explains what changes are in the new firmware. Download link for this new firmware is not available yet. Stay tuned.