| ⇢ | C | Client added |
| ⇢ | F | Client::remote_request() added | |
| ⇢ | C | Client::_wp_remote_request() added | |
| ⇢ | B | Client::set_time_diff() added | |
| ⇢ | B | Client::wpcom_json_api_request_as_user() added | |
| ⇢ | B | Client::_stringify_data() added | |
| ⇢ | A | Client::wpcom_json_api_request_as_blog() added | |
| ⇢ | A | Client::protocol() added |