[Critical] Scheduled: zkSync Mainnet & Sepolia - Upgrade zksync to v29.1.0

Scheduled Maintenance Report for QuickNode

Completed

The scheduled maintenance has been completed.

Posted Aug 25, 2025 - 03:00 UTC

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

Posted Aug 25, 2025 - 02:00 UTC

We will be upgrading our zksync nodes on zkSync Mainnet & Sepolia to v29.1.0 on 2025-08-25 at 01:00 UTC

This release is mandatory for the upcoming protocol upgrade v29: https://forum.zknation.io/t/zip-12-v29-interop-messaging-fast-finality-upgrade/745

Please see detailed change log at https://github.com/matter-labs/zksync-era/releases/tag/core-v29.1.0

Posted Aug 25, 2025 - 01:14 UTC

This scheduled maintenance affected: ZkSync Era (Mainnet — JSON-RPC API, Mainnet — Websockets API, Testnet — JSON-RPC API, Testnet — Websockets API).