Semaphore experienced a major incident on August 21, 2026 affecting Semaphore, lasting 1h 33m. The incident has been resolved; the full update timeline is below.
Affected components
Semaphore
Update timeline
- investigating Aug 21, 2026, 07:14 PM UTC
We are currently investigating this issue.
- identified Aug 21, 2026, 07:26 PM UTC
The issue has been identified and a fix is being implemented.
- identified Aug 21, 2026, 08:03 PM UTC
We are continuing to work on a fix for this issue.
- monitoring Aug 21, 2026, 08:27 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Aug 21, 2026, 08:47 PM UTC
This incident has been resolved.