Fivetran: Some of connections may experience dashboard sync bar delay in showing data

Update timeline

1. identified Mar 12, 2026, 07:35 PM UTC

   The issue has been identified and we are working to resolve it.

2. monitoring Mar 12, 2026, 09:10 PM UTC

   We have deployed a fix for this issue: We created a hotfix to handle malformed messages which were preventing normal messages from processing We will continue to monitor all affected sync events until we are caught up and the Connection Status page is back to normal.

3. resolved Mar 12, 2026, 09:31 PM UTC

   This incident has been resolved. We have observed that instance rates are returning to normal levels and affected connectors are syncing successfully. Incident Summary Description: We identified an issue on the Fivetran Connection Status page that caused Sync Events not to display correctly in the event log. Timeline: This issue began on March 12th at 18:14:00 UTC and was resolved on March 12th at 21:30:00 UTC. Cause: The issue was caused by a recent code change that allowed malformed messages to be accepted by our backend service. These malformed messages could not be processed, resulting in a backlog of properly formatted messages. Resolution: We deployed a hotfix to handle the malformed messages. Once those malformed messages were handled properly, the backlog of correctly formed messages began to be processed, and UI events recovered.