Greetings,
The C300 Mark III is still under current support. The last firmware update was about 9 months ago. Not sure when/if another update will be provided.
Canon Support for EOS C300 Mark III | Canon U.S.A., Inc. https://share.google/uDjgF94p8gl6EFqOH
~Rick
Bay Area - CA
~R5 C (1.0.9.1), ~R50v (1.1.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8 ~CarePaks Are Worth It
