Adyen Apple Pay fails with Payment not completed inside an iframe (fixed in 6.23.0)
Upgrade @adyen/adyen-web to 6.23.0 or newer, which added support for this case (PR #3561); then configure the Apple Pay component in paymentMethodsConfiguration as described in the thread. Reporters confirmed the simpler config on 6.23.0+ resolves the immediate dismissal. The underlying change was in how the SDK valid…
Problem outcome: unknown