_edd_deprected_argument() – Marks an argument in a function deprecated and informs when it’s been used
AccountStatusValidator::check_merchant_account() – Determines if the merchant account is ready to accept payments.
AccountStatusValidator::check_webhook() – Confirms that the webhook is set up and has all the necessary events registered.
add_refund_javascript() – Adds a "Refund in PayPal" checkbox when switching the payment’s status to "Refunded".
Adjustments::__202002121() – Upgrade to version 202002121 – Change default value to `null` for columns `start_date` and `end_date`.
Adjustments::__202102161() – Upgrade to version 202102161 – Drop old `code_status_type_scope_amount` index – Create new `status_type` index – Create new `code` index