Firmware version 1.0.4.1 is now available for the Canon EMEA Pro Cinema EOS C400, C70, C80, and R5C cameras, bringing a range of meaningful updates and workflow improvements. New firmware updates will enable full frame 3:2 open gate recording (EOS C400), view assist in media mode, quality improvement of focus peaking, improved assign buttons, improved Joy-Stick operability (EOS C80 and EOS C400), among other features.

C400 Specific Updates:
Expanded Recording Options
Adds Full Frame 3:2 Open Gate sensor mode
CFexpress (Main video recording / RAW):
6000×4000 | 29.97P / 25.00P / 24.00P / 23.98P
The following formats can be recorded to SD (Proxy):
XF-AVC S / XF-HEVC S | 1920×1280 | Same frame rates.

Playback & Image Control:
LUTs can now be changed during playback
Focus peaking optimized to reduce noise at high ISO

Customization & Controls:
New assignable button options, including:
Tele-converter (x1.5 / x2.0 / x2.5 / x3.0)
Subject Detection (People / Animals)
AF Frame options (Small Zone, Zone, Large Vertical/Horizontal)

Frame.io upload:
Faster, more responsive joystick-driven AF frame movement

Lens & Workflow Enhancements:
Added support for Canon CINE-SERVO CN5x11 IAS lenses (RF & PL)
Metadata support (focal length, T-number, lens model)
T-number display
RF mount version also supports:
Canon Virtual Production System
Peripheral illumination, chromatic aberration & distortion correction
Dual Pixel CMOS AF & Focus Guide
Decimal focal length display

Additional Updates:
New communication setting for OpenLensIO-Equivalent Model selection
Look File descriptions can now be reflected in Custom Picture settings
Overall operational stability improvements

A great update for anyone focused on flexibility, precision, and smoother on-set workflows.

For more information and to download visit: https://www.usa.canon.com/support/p/eos-c80#idReference%3Dsoftware-drivers