Udacity experienced a major incident on December 14, 2025 affecting Classroom (Classroom), lasting 1h 14m. The incident has been resolved; the full update timeline is below.
Affected components
Classroom (Classroom)
Update timeline
- identified Dec 14, 2025, 12:36 AM UTC
We are investigating an issue that might be affecting some Udacity services. We apologize for any inconvenience. We'll provide an update within the next 15 minutes.
- investigating Dec 14, 2025, 01:33 AM UTC
Engineering team members are engaged to continue investigating an issue affecting our production services. We apologize for any inconvenience. We'll provide an update within the next 60 minutes.
- resolved Dec 14, 2025, 01:50 AM UTC
All our systems are back and operating as expected. Engineering Teams addressed the issues that were affecting Udacity production services. Please contact us in case of questions : https://www.udacity.com/contact