Canon released firmware 184.108.40.206 for the Canon EOS R5 C with fe enhancements other than improved image quality for C-Log 3 when shooting AVC or MP4. No other enhancements were mentioned. No mention of other minor bugs fixes either. An oddly specific update don't you think?
Firmware Version 220.127.116.11 incorporates the following enhancements
- Improves the image quality of Canon Log 3 when shooting in XF-AVC or MP4 formats.