* Fix: Resolve errors for third-party code using the URLs returned from WC_Subscriptions_Admin::add_subscription_url() and WCS_Cart_Renewal::get_checkout_payment_url() because they were erroneously escaped. #4526
* Dev: Enable third-party code to alter the delete payment token URL returned from flag_subscription_payment_token_deletions. #4526
* Dev: Update subscriptions-core to 5.7.1. #4526