Canon launched new firmware for the Canon EOS R1 and Canon R5 Mark II mirrorless cameras. However inside hours, the corporate had withdrawn each updates after issues got here to gentle.
Firmware model 1.1.0
On July 17, 2025, Canon launched firmware replace 1.1.0 for the EOS R1 and R5 Mark II mirrorless cameras. The replace appeared initially on the Canon Japan web site, however was scheduled to roll out all over the world all through the day. Nonetheless, inside a really brief time, the brand new firmware had been taken down.
What was the issue?
The Service Pages for the EOS R1 and R5 Mark II on the Canon USA each have the identical Service Notices. These state, “Sadly, the newest firmware model 1.1.0 for the EOS R1 / EOS R5 Mark II is briefly unavailable as Canon has decided that playback might not be potential on the digital camera or a PC when customers are taking pictures movies with pre-recording settings utilizing a card bigger than 2TB.”
Additionally, the Canon Japan web site warns to not replace your digital camera you probably have already downloaded the firmware.
What was within the replace?
Previous to the launch of the firmware, Canon had shared the small print of the next new options:
Panning Help
The EOS R1 was getting the Panning Help choice that Canon beforehand launched with the EOS R3. Canon says this “optimizes easy monitoring for fast-moving topics.” It’s nice for topics akin to motorsports.
Servo AF mode
The EOS R1 and R5 Mark II have been each scheduled to get a brand new Servo AF mode designed for sports activities photographers. Canon stated this new function was designed for “capturing topics behind nets in sports activities like badminton or volleyball, for exact focus in difficult situations.”
Pre-Steady taking pictures adjustment
Once more, each cameras have been set to get an enchancment to the pre-continuous taking pictures mode. Following the replace, you’d have the ability to set what number of photos have been captured earlier than you pressed the shutter button.
8 TB reminiscence card help
With firmware replace 1.1.0, the EOS R1 and R5 Mark II would help CFexpress Kind B playing cards as much as 8 TB in capability.
Publicity simulation for flash taking pictures
This new function for the EOS R1 and R5 Mark II means that you may simulate the publicity when utilizing a flash connected to the cameras.
What we expect
It hasn’t been an excellent month for firmware updates. Nikon was pressured to concern an replace to their replace for the Z8 after customers reported issues with some third-party lenses. Now, Canon has withdrawn its newest firmware replace mere hours after the launch. Extra concerningly, there’s no timeline as to when the firmware is likely to be made out there once more. Canon’s Service Discover merely states, “Canon is taking steps to have the firmware out there as quickly as potential. Please examine again quickly to see if the firmware is offered to obtain.”
Hopefully, Canon can resolve the issues with its firmware as shortly as Nikon did. Nonetheless, EOS R1 and R5 Mark II homeowners could also be reluctant to replace their cameras’ firmware once more in a rush.
