March 8, 2021 - Due to database maintenance, the Udacity Classroom will be unavailable for limited time periods March 8, 2021 5:30 PM PT | March 9, 2021 1:30 AM GMT Maintenance has been complete. March 8, 2021 8:40 AM PT | 4:40 PM GMT On March 8, 2021, we will be performing maintenance between 1:00 PM - 5:00 PM Pacific Time. For some limited periods of time during the maintenance windows, the Udacity Classroom will be unavailable. You can check the status of the maintenance at https://status.udacity.com/. We appreciate your patience and understanding!