Urgent: Aptos Mainnet – Upgrade aptos-node to v1.40.3 (Hotfix)

Scheduled Maintenance Report for Quicknode

Completed

The scheduled maintenance has been completed.
Posted Feb 04, 2026 - 14:03 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Feb 04, 2026 - 12:00 UTC

Scheduled

We will perform an urgent hotfix upgrade of our Aptos Mainnet nodes to aptos-node v1.40.3 on February 4, 2026, at 12:00 UTC.
This release contains critical fixes required to maintain network stability and correct Mainnet operation.

No downtime is expected, but customers may experience brief connection interruptions and a small number of HTTP 503 responses as services restart and resynchronize with the network.

Release links:
• 📦 aptos-node: https://github.com/aptos-labs/aptos-core/releases/tag/aptos-node-v1.40.3
Posted Feb 04, 2026 - 10:39 UTC
This scheduled maintenance affected: Aptos (Mainnet - REST API).
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