| ⇢ | A | PayPalHttpClient added | |
| B | ↗ | A | PayPalRequest improved |
| ⇢ | A | PayPalHttpClient::setHttpClientConfiguration() added | |
| ⇢ | A | PayPalHttpClient::makeHttpRequest() added | |
| ⇢ | A | PayPalHttpClient::setClient() added | |
| ⇢ | A | PayPalHttpClient::doPayPalRequest() added | |
| A | ↛ | PayPalRequest::setHttpClientConfiguration() removed | |
| A | ↛ | PayPalRequest::makeHttpRequest() removed | |
| A | ↛ | PayPalRequest::setClient() removed | |
| A | ↛ | PayPalRequest::doPayPalRequest() removed |