Major incident

Cornerstone: Learning Assignments for US SL1 Swimlane Stuck in a Queued Status

Affected: Message Queuing

Current status of Cornerstone: Partial outage — live Cornerstone status

Timeline

1. Oct 27, 2026, 14:46 UTC
   investigating
   US SL1 environments are currently experiencing issues with Learning Assignments being stuck in a queued status. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
2. Oct 27, 2026, 16:23 UTC
   monitoring
   We have identified the cause of the issue and implemented a fix. Learning Assignment queues are now processing. However, due to the backlog of assignments, some delays may continue as the queues work through the backlog of pending requests. We will continue to monitor progress and provide another update once the backlog has cleared and normal processing has resumed.
3. Oct 28, 2026, 02:03 UTC
   resolved
   We have finished processing the LAT queue at 5 PM PT. There is currently no ongoing backup for asynchronous processing in US SL1.

Updates as published by Cornerstone (original).