| C | ↛ | Jetpack_Client removed |
| ⇢ | F | Jetpack::internal_verify_xml_rpc_signature() added | |
| ⇢ | A | Jetpack_Calypsoify::add_custom_menus() added | |
| B | ↗ | A | Jetpack::authenticate_jetpack() improved |
| F | ↗ | A | Jetpack::verify_xml_rpc_signature() improved |
| F | ↛ | Jetpack_Client::remote_request() removed | |
| C | ↛ | Jetpack_Client::_wp_remote_request() removed | |
| B | ↛ | Jetpack_Client::set_time_diff() removed | |
| B | ↛ | Jetpack_Client::wpcom_json_api_request_as_user() removed | |
| B | ↛ | Jetpack_Client::_stringify_data() removed | |
| A | ↛ | Jetpack_Client::wpcom_json_api_request_as_blog() removed | |
| A | ↛ | Jetpack_Calypsoify::add_plugin_menus() removed | |
| A | ↛ | Jetpack_Client::protocol() removed |