My Amex card has shown all transactions for quite time (physical card, Apple Pay on iPhone and Apple Pay on Watch.
My BofA cards (two different card accounts) don’t show anything at all except Apple Pay on the iPhone.
I just updated to b1 last night so I haven’t tried any transactions but no old transactions appear.
I had another thread about this last year and concluded that it’s a BofA issue as they choose not to support this feature at this time. It’s even more annoying that they don’t support Apple Pay transactions on the Watch.