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Canon has released new firmware for the EOS R7. The new version is 1.8.0 and addresses compatibility and bug fixes, including some of the ambiguous Err70 issues that some EOS R7 users run into.
You can currently download the new firmware from the Canon Japan web site, but other Canon sites will be adding the new firmware over the next 24 hours or so. You can also wait for your Canon Connect App to let you know when it's available.
It doesn't matter where you download it from, it's the same firmware globally and all of the languages are there.
CANON EOS R7 FEATURES
9 features
32.5MP APS-C CMOS Sensor
Dual Pixel CMOS AF II
4K60 10-Bit Video, HDR-PQ & C-Log 3
30 fps E. Shutter, 15 fps Mech. Shutter
2.36m-Dot OLED EVF
1.6m-Dot Vari-Angle Touchscreen LCD
Sensor-Shift 5-Axis Image Stabilization
Dual UHS-II Memory Card Slots
Multi-Function Shoe, Wi-Fi and Bluetooth
Firmware Changes
- Display settings when using the RF-S7.8mm F4 STM DUAL have been improved. Additionally, two new aspect ratio options, [3:2 (aspect ratio)] and [1:1 (aspect ratio)], have been added.
- This update corrects an issue where Err70 could occur during Bluetooth communication due to interference from other Bluetooth devices.
- This update fixes an issue where Err70 errors would occasionally occur when repeatedly shooting in “High-Speed Continuous Shooting+”.
- Other improvements have been made to enhance operational stability.



This is a big improvement. Once they added the 3:2 and 1:1 crops to EOS VR Utility, it was really annoying to be having to use the 16:9 or 8:9 guides on the camera to just guess at what your shot's framing was going to be.
I really need to get my hands on these special lenses to know how they work.