| A | ↛ | Jetpack_Tracks_Client removed |
| B | ↛ | Jetpack_Tracks_Client::get_anon_id() removed | |
| B | ↛ | Jetpack_Tracks_Client::record_event() removed | |
| A | ↛ | Jetpack_Tracks_Client::record_pixel() removed | |
| A | ↛ | Jetpack_Tracks_Client::get_connected_user_tracks_i... removed | |
| A | ↛ | Jetpack_Tracks_Client::get_user_agent() removed | |
| A | ↛ | Jetpack_Tracks_Client::build_pixel_url() removed | |
| A | ↛ | Jetpack_Tracks_Client::validate_and_sanitize() removed | |
| A | ↛ | Jetpack_Tracks_Client::build_timestamp() removed |