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Changelog

Welcome to the Plume documentation changelog - this page tracks all notable updates to the docs, features, developer tools, and community resources in the Plume ecosystem.

ArbOS 51 Upgrade Completion

Plume Mainnet and Testnet have successfully completed the migration to ArbOS 51.

Key Updates

  • Updated chainInfo.json is now available for both networks. Node operators should refresh their configurations to match the latest documentation.

  • Ensure your nodes are running v3.9.5 to support ArbOS 51.

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Full node setup and updated config snippets are available at How to Run a Node.

Node Upgrade v3.9.5: ArbOS 51/40 Support

We have released a critical node upgrade to support ArbOS 51 (Dia) and ArbOS 40 (Callisto). This update brings significant improvements from the Ethereum Fusaka and Pectra upgrades to Plume Network, including native account abstraction and cheaper cryptographic operations.

Migration Checklist

  • Update Docker Image: All external node operators must update their Nitro node image to the latest recommended version: offchainlabs/nitro-node:v3.9.5-66e42c4-validator

    • This image includes split-val-entry.sh to automatically run both v3.9.5 and v3.7.6 workers, standard validators should use this by default. Custom split-validator setups must manually run both worker versions. More details can be found at Offchain Labs Nitro v3.9.5 Release Notesarrow-up-right

  • Update Configuration: Following the activation, Plume will provide an updated chainInfo.json. It is recommended to swap to this new config file for your external node to ensure long-term compatibility.

What’s Included

  • ArbOS 40 (Callisto):

    • EIP-7702: Native Account Abstraction (Set EOA account code).

    • EIP-2537: BLS12-381 precompile support for cheaper zkSNARKs.

    • EIP-2935: Historical block hash access.

  • ArbOS 51 (Dia):

    • Native Token Mint/Burn: Unlocks path for native asset management.

    • EIP-7825: Transaction gas limit cap for efficient gas usage.

    • Optimization: Opcode changes making EVM cryptographic operations cheaper.

Readiness Schedule

Nodes must be upgraded before the following activation dates:

  • Plume Testnet: Monday, February 2, 2026

  • Plume Mainnet: Thursday, February 5, 2026

Troubleshooting

If your node stops syncing after the upgrade, please use the latest snapshotarrow-up-right to sync from the most recent block state.

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Full node setup and updated config snippets are available at How to Run a Node.

Node Upgrade v3.9.3 & AnyTrust Migration

Upgraded the Plume node to Offchain Labs v3.9.3. This critical update migrates our Data Availability layer from Celestia to AnyTrust DA and introduces support for ArbOS 51 and the Ethereum Fusaka upgrade.

Migration Checklist

  • Update Docker Image Switch to: offchainlabs/nitro-node:v3.9.3-8bc5554

  • Remove Old Flags: Delete the following flags from your node configuration:

--node.da-provider.enable
--node.da-provider.rpc.url
--node.da-provider.with-writer
--node.data-availability.enable
  • Add New Flags: Add the following flags (replace URLs for testnet if necessary):

--node.data-availability.enable=true
--node.data-availability.parent-chain-node-url=<YOUR L1 RPC>
--node.data-availability.rest-aggregator.urls=http://das-plume-mainnet-1.t.conduit.xyz
  • Delete Legacy Resources: Remove celestia-das-server, daprovider, and any other Celestia-related containers.

  • Restore Snapshot: If your node is out of sync, download the latest snapshot

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Full node setup and config available at How to Run a Node

Note: To avoid breaking changes while migrating to the Fusaka upgrade, properly syncing all historical blob data is essential. Ensure your node is using an updated Beacon RPC that retains all historical blob data. This guarantees that your Nitro node can sync from periods beyond the standard blob retention limit. For more details on Beacon node historical data, please refer to the documentation: https://docs.arbitrum.io/run-arbitrum-node/beacon-nodes-historical-blobsarrow-up-right

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