Apple Pay transaction not showing up after transferring data to new iPhone

Moved from iPhone 8 to iPhone 13 yesterday by data transfer. Activated credit card in Apple Pay. Successfully paid a bill with the 'new' phone. Transaction appears on my credit card's website statement. Transaction not in the transaction list of the card in my phone's wallet. All activation buttons are for the card in the wallet are green. Phone fully up to date from the set up procedure on iOS 18.3.1.

What isn't working?

[Re-Titled by Moderator]