To Users of the EF 300mm f/2.8L IS II USM and EF 400mm f/2.8L IS II USM, some specifications for the lens hood have been changed to address this phenomenon.
Canon plans to issue a firmware update that will improve video autofocus speed, accuracy and subject detection performance.
Regarding the security advisory for Canon digital cameras related to PTP (Picture Transfer Protocol) communication functions and firmware update functions.
We have determined that a firmware bug may occur with the PowerShot SX740. Find out more about the details of the phenomenon and support plan.