Chainstack - Urgent maintenance for Optimism Sepolia – Maintenance details

All systems operational

Urgent maintenance for Optimism Sepolia

Completed
Scheduled for July 21, 2026 at 6:30 AM – 7:30 AMUTC

Affects

Optimism Global Nodes

Under maintenance from 6:30 AM to 7:30 AM

Optimism Sepolia Testnet

Under maintenance from 6:30 AM to 7:30 AM

Updates
  • Completed
    July 21, 2026 at 7:30 AMUTC
    Completed
    July 21, 2026 at 7:30 AMUTC
    Maintenance has completed successfully
  • In progress
    July 21, 2026 at 6:30 AMUTC
    In progress
    July 21, 2026 at 6:30 AMUTC
    Maintenance is now in progress
  • Planned
    July 17, 2026 at 1:56 PMUTC
    Planned
    July 17, 2026 at 1:56 PMUTC

    We are upgrading the network.
    During maintenence window you might experience abrupt disconnections and request failues.