| A | ↘ | B | Config got worse |
| ⇢ | A | Config::setConnectorOptions() added | |
| ⇢ | A | Config::getProxyUrl() added | |
| ⇢ | A | Config::setProxyUrl() added | |
| ⇢ | A | Config::setProxyHttpHeaders() added | |
| ⇢ | A | Config::getProxyHttpHeaders() added | |
| ⇢ | A | Config::getConnectorOptions() added | |
| A | ↘ | B | Zanzara::__construct() got worse |