WRU set a very good example of Covid security when I went to the Wales v Aus match.
Individual tickets for each individual on mobiles along with Covid passport. Two lines of access - first to check Covid - and they did. 50 meters on check on tickets. We were asked to get to our seats 2 hours before KO - made it 15 minutes late. The reward was no queues for drinks. Everyone left at the same time but there are so many stairs, escalators and exits with no rush to leave that it all felt comfortable.
And that was for a crowd of over 60K.