**Urgent**[Arbitrum] Upgrade to v3.12.2

Scheduled for Nov 5, 13:00 - 14:00 UTC

Scheduled

Blockdaemon will update Arbitrum nodes to v3.12.2 on 11/05/26. We are updating our nodes due to a release from the Arbitrum foundation. This update applies to all Blockdaemon Arbitrum nodes, there will be planned downtime of up to 10 minutes per node.

We have tested the release and do not anticipate any unexpected downtime other than mentioned above as a result of the update. If you have any questions or concerns please reach out to your Account Manager.

If you want additional information please review the release notes here https://github.com/OffchainLabs/nitro/releases/tag/v3.12.2.
Posted Nov 03, 2026 - 11:39 UTC
This scheduled maintenance affects: Blockdaemon RPC API (Arbitrum Native API) and Protocols (Dedicated Nodes) (Arbitrum).
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