Publish will be undergoing maintenance Thursday, January 14, beginning at 9pm. Updates will be applied to the system and the WordPress application software. The service will be unavailable for approximately 15 minutes, from 9pm to 9:15pm, while system and application updates are applied. After 9:15pm individual sites will be degraded while the application performs site specific upgrades.
See https://status.illinois.edu/SystemStatus/jsp/view_events.jsp?eventId=1462 for more information during the update process.