Udemy experienced a major incident on October 20, 2025 affecting Udemy Business and Udemy.com (Marketplace), lasting 22h 21m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 20, 2025, 08:00 AM UTC
Our site is experiencing a stability issue. Symptoms are blank pages and slowness on the site. We're looking into this, and we'll report back as more information becomes available.
- identified Oct 20, 2025, 10:17 AM UTC
Our site is currently experiencing a stability issue - our engineering team is currently working to resolve it. We are observing various signs of recovery. However, some asynchronous tasks may be delayed.
- monitoring Oct 20, 2025, 07:23 PM UTC
Current Status: Recovery in Progress We’re starting to see positive signs of recovery following the earlier AWS outage. Some users may still experience minor delays or slow performance as systems catch up. Our engineering team will continue monitoring throughout the day to ensure full restoration. Thank you for your continued patience.
- resolved Oct 21, 2025, 06:22 AM UTC
We have resolved the stability issue on our site, and performance is back to normal. We appreciate your patience.