| D | ↘ | F | Request got worse |
| ⇢ | B | MultiRequest::execute() added | |
| ⇢ | A | Request::optionAlias() added | |
| ⇢ | A | Request::follow() added | |
| ⇢ | A | Request::cert() added | |
| ⇢ | A | Request::expects() added | |
| ⇢ | A | Request::log() added | |
| ⇢ | A | Request::body() added | |
| ⇢ | A | Request::mime() added | |
| ⇢ | A | Response::check() added | |
| ⇢ | A | Request::setLogger() added | |
| ⋮ | view more | ||
| B | ↗ | A | Request::send() improved |
| B | ↘ | C | Response::parse() got worse |
| C | ↛ | Request::combineUrl() removed | |
| B | ↛ | Request::serializeBody() removed | |
| B | ↛ | MultiRequest::sendAll() removed | |
| A | ↛ | Request::fullOption() removed | |
| A | ↛ | Response::unserializeBody() removed | |
| A | ↛ | Request::expectsMime() removed | |
| A | ↛ | Request::sendMime() removed | |
| A | ↛ | Request::setLogHandler() removed | |
| A | ↛ | MultiRequest::setDefaults() removed | |