CommonLit experienced a major incident on October 20, 2025, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- resolved Oct 20, 2025, 12:48 PM UTC
Type: Incident Duration: 1 day and 51 minutes Affected Components: commonlit.org Oct 20, 12:48:20 GMT+0 - Identified - An upstream infrastructure provider is suffering a major outage. During this time our ability to add servers to our fleet is reduced and users may experience slower traffic and degraded performance. Oct 20, 20:06:39 GMT+0 - Monitoring - AWS is able to fulfill capacity requests and we are handling traffic again as expected. Thank you for your patience during the incident. Oct 21, 13:38:55 GMT+0 - Resolved - Our infrastructure provider has restored service and we have confirmed all our systems are working at the expected capacity. Thank you for your patience.