| ⇢ | A | WC_Gateway_Paypal_API_Handler added | |
| B | ↘ | C | WC_Gateway_Paypal got worse |
| ⇢ | C | WC_Gateway_Paypal::capture_payment() added | |
| ⇢ | B | WC_Gateway_Paypal_API_Handler::do_capture() added | |
| ⇢ | B | WC_Gateway_Paypal_API_Handler::refund_transaction(... added | |
| ⇢ | A | WC_Gateway_Paypal::init_api() added | |
| ⇢ | A | WC_Gateway_Paypal_API_Handler::get_capture_request... added | |
| ⇢ | A | WC_Gateway_Paypal_API_Handler::get_refund_request(... added | |
| B | ↗ | A | WC_Gateway_Paypal_Refund::refund_order() improved |