Canon has announced another round of Cinema EOS firmware updates, with the EOS C400, C80, C50 and R5 C named in its November 4 release. The practical focus is on matching cameras, operating them more quickly and retaining useful controls during high-frame-rate recording.
The firmware is scheduled to be available by December 2026. This is an announcement of upcoming functions; owners should check the final download and release notes for their exact camera before planning a production around them. Source: Canon USA.