* [537](https://github.com/stripe/stripe-python/pull/537) Add support for the `PaymentMethod` resource and APIs * [540](https://github.com/stripe/stripe-python/pull/540) Add support for retrieving a Checkout `Session` * [542](https://github.com/stripe/stripe-python/pull/542) Add support for deleting a Terminal `Location` and `Reader`
2.22.0
* [541](https://github.com/stripe/stripe-python/pull/541) Add `stripe.util.convert_to_dict` method for converting `StripeObject` instances to regular `dict`s
2.21.0
* [532](https://github.com/stripe/stripe-python/pull/532) Add support for subscription schedules