Originally Posted by
pushmyredbutton
According to Timatic, it's not required. I'd love to hear first-hand experience that one doesn't need to use VJW and can just show Vaccine certs at check-in though.
This video compares the experience for fast track and non fast track passengers. It dates from a month ago, when MySOS was in use, but the process at check in and arrival may be roughly the same: