OpenSesame experienced a critical incident on December 4, 2025, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved Dec 04, 2025, 06:39 PM UTC
The OpenSesame marketplace search was down from 9:08pm to 10:34pm PST. This affected users ability to load courses in the marketplace and via the api. Engineers started immediate investigation into the cause, and resolved the issue.