| B | ↛ | Gateway removed |
| ⇢ | A | DataHelper::length_html_special_chars() added | |
| ⇢ | A | DataHelper::validate_an_html_special_chars() added | |
| ⇢ | A | DataHelper::shorten_html_special_chars() added | |
| ⇢ | A | DataHelper::shorten() added | |
| F | ↛ | Gateway::start() removed | |
| B | ↛ | Gateway::handle_merchant_order_status_changed() removed | |
| B | ↛ | Gateway::update_status() removed | |
| A | ↛ | Gateway::maybe_update_access_token() removed | |
| A | ↛ | Gateway::__construct() removed | |
| A | ↛ | Gateway::handle_notification() removed | |
| A | ↛ | Gateway::get_supported_payment_methods() removed | |
| A | ↛ | Gateway::get_client_error() removed |