There is a report that Canon EOS R5C sales were halted in Australia because of some issue with the camera:
In an email sent to us (thank you), we received an email that Canon Australia has sent out stating that Canon Inc has asked them to halt sales of the Canon EOS R5C.
The email alludes that this is happening because of some issue with the camera. They mention in the email āIād like to reassure you that there are no health and safety issues with the camera however, we want to ensure that the product is of the highest standard from a quality perspective.ā
Via CanonRumors