Urgent: Stacks Mainnet & Testnet – stacks-node 4.0.3

Scheduled Maintenance Report for Quicknode

Completed

The scheduled maintenance has been completed.
Posted Sep 04, 2026 - 10:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Sep 04, 2026 - 08:01 UTC

Scheduled

We will perform an urgent minor upgrade of Stacks Mainnet and Testnet stacks-node infrastructure to version 4.0.3 today, September 4, 2026, at 08:00 UTC.
No downtime is expected, but brief REST API or WebSocket interruptions may occur as services restart and resynchronize with the network.
Release links
📦 Client: https://github.com/stacks-network/stacks-core/releases/tag/4.0.3
Posted Sep 04, 2026 - 07:22 UTC
This scheduled maintenance affected: Stacks (Mainnet — REST API, Mainnet — Websockets API, Testnet — REST API, Testnet — Websockets API).
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