[Urgent] Scheduled: World Sepolia - Isthmus Hard Fork Upgrade

Scheduled Maintenance Report for QuickNode

Completed

The scheduled maintenance has been completed.

Posted Oct 29, 2025 - 18:01 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted Oct 29, 2025 - 16:01 UTC

Scheduled

Scheduled maintenance will be performed during the maintenance window to support the Isthmus hard fork on World Sepolia.

**Client Updates:**
• op-node: Upgrading to v1.14.3
• op-geth: Upgrading to v1.101603.2

Fork Date: Thu 30 Oct 2025 12:00:00 UTC

Posted Oct 28, 2025 - 14:35 UTC

This scheduled maintenance affected: World Chain (Sepolia — Websockets API, Sepolia — JSON-RPC API).