Critical incident

Sui: Mainnet settlement

Affected: Sui Mainnet - Validators, Sui Mainnet - Public RPC Nodes

Current status of Sui: Operational — live Sui status

Timeline

1. May 28, 2026, 14:15 UTC
   investigating
   We are currently investigating this issue.
2. May 28, 2026, 14:36 UTC
   identified
   The issue has been identified and a fix is being implemented.
3. May 28, 2026, 19:40 UTC
   monitoring
   Fix is rolling out to validators
4. May 28, 2026, 20:31 UTC
   monitoring
   We are continuing to monitor for any further issues.
5. May 28, 2026, 20:32 UTC
   monitoring
   >2/3 of stake have upgraded to the fix, network is online: https://metrics.sui.io/public-dashboards/4ceb11cc210d4025b122294586961169
6. May 29, 2026, 12:09 UTC
   monitoring
   We are continuing to monitor for any further issues.
7. May 29, 2026, 15:43 UTC
   monitoring
   >2/3 of stake have upgraded to the latest fix, network is currently online: https://metrics.sui.io/public-dashboards/4ceb11cc210d4025b122294586961169
8. May 29, 2026, 20:57 UTC
   monitoring
   Validators are waiting to complete epoch change and only processing system txns
9. May 29, 2026, 21:41 UTC
   monitoring
   We are continuing to monitor for any further issues.
10. May 30, 2026, 02:32 UTC
    monitoring
    We have progressed to epoch 1143 - network is currently online with degraded participation: https://metrics.sui.io/public-dashboards/4ceb11cc210d4025b122294586961169
11. May 30, 2026, 16:43 UTC
    resolved
    Up to 93% participation by stake. We will continue to monitor the network closely, but marking this incident as resolved.

Updates as published by Sui (original).