[Urgent] ZKsync and Abstract - Mainnet and Tesntet - Mandatory External Node Image Upgrade

Scheduled for Aug 24, 11:00 - 15:00 UTC

Scheduled

We are upgrading our ZKsync and Abstract - Mainnet and Tesntet - infrastructure to the latest External Node image.

This is a mandatory security upgrade. During the maintenance window, brief interruptions to RPC availability may occur.

Posted Aug 20, 2026 - 18:06 UTC

This scheduled maintenance affects: ZkSync Era (Mainnet — JSON-RPC API, Mainnet — Websockets API, Mainnet — Streams, Mainnet — Webhooks, Testnet — JSON-RPC API, Testnet — Websockets API, Testnet — Streams, Testnet — Webhooks) and Abstract (Beta) (Mainnet — JSON-RPC API, Mainnet — WebSocket API, Mainnet — Webhooks, Testnet — JSON-RPC API, Testnet — WebSocket API, Testnet — Webhooks).