After 14 years of waiting on developers to ship Wallet support, Apple is letting users do it themselves. Here is what Bloomberg is reporting, how the new flow works, and what it means for third-party tools like WalletWallet.
walletwallet.alen.ro, in "iOS 27 is adding a 'Create a Pass' button to Apple Wallet"

I was always quite happy with Pass4Wallet but I'm glad this becomes a built in feature now..