| B | ↗ | A | Client improved |
| C | ↘ | F | AbstractFrame got worse |
| ⇢ | A | HTTPClient::getFrame() added | |
| ⇢ | A | HTTPClient::sendFrame() added | |
| ⇢ | A | AbstractClient::getObjectSpec() added | |
| ⇢ | A | AbstractClient::setObjectSpec() added | |
| A | ↘ | B | AbstractFrame::__construct() got worse |
| A | ↛ | HTTPClient::request() removed | |
| A | ↛ | ObjectSpec::overwriteParent() removed | |
| A | ↛ | ObjectSpec::restoreParent() removed | |
| A | ↛ | Client::request() removed | |
| A | ↛ | HTTPClient::send() removed |