*Urgent* [Arbitrum] - Upgrade testnet to 3.8.0

Scheduled Maintenance Report for Blockdaemon

Completed

The scheduled maintenance has been completed.
Posted Oct 13, 2025 - 15:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Oct 13, 2025 - 14:00 UTC

Scheduled

Blockdaemon will update Arbitrum testnet nodes to v3.8.0 today, 10/13/2025. We are updating our nodes due to a release from the Arbitrum foundation. This update applies to all Blockdaemon Arbitrum testnet nodes, there will be planned downtime of up to 5 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 Customer Success Manager.

If you want additional information please review the release notes here
https://github.com/OffchainLabs/nitro/releases/tag/v3.8.0-rc.8
Posted Oct 13, 2025 - 10:25 UTC
This scheduled maintenance affected: Blockdaemon RPC API (Arbitrum Native API) and Protocols (Dedicated Nodes) (Arbitrum).
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