v2.0: The admin now masks sensitive data on more pages.
v2.0: Stripe $0 transactions no longer show a “pending” message on the receipt.
v2.0: Klarna no longer shows as a payment option if a subscription is in the cart.
v2.0: Subscriptions via Square now properly have sub_token links.
v2.0: Bugfix that prevented shipping_* values from being saved to customer records in certain circumstances.