| A | ↛ | ConfigFactory removed | |
| A | ↛ | Settings removed |
| ⇢ | B | Integration::get_settings_fields() added | |
| ⇢ | A | Integration::get_gateway() added | |
| ⇢ | A | Integration::get_config() added | |
| ⇢ | A | Gateway::checkout_head() added | |
| B | ↛ | Settings::fields() removed | |
| A | ↛ | Settings::sections() removed | |
| A | ↛ | Settings::__construct() removed | |
| A | ↛ | ConfigFactory::get_config() removed | |
| A | ↛ | Integration::get_config_factory_class() removed | |
| A | ↛ | Integration::get_settings_class() removed | |
| A | ↛ | Integration::get_settings() removed |