Network Upgrade Announcement for Node Operators

Announcements
1

We’re preparing for a major client release that will upgrade the network from v0.40.x to v0.41.x. This upgrade is required for all node operators to ensure continued operation and optimal performance.

Key Dates:

  • Testnet Upgrade Deadline: February 20, 2025
  • Mainnet Upgrade Deadline: March 6, 2025

What You Need to Do:

  1. Upgrade Immediately: Node operators can upgrade to v0.41.x now and sync with the network. Nodes that are not upgraded by the deadlines will no longer sync with the network. Release v0.41.6 · FuelLabs/fuel-core · GitHub
  2. Re-Sync for Best Performance: This release includes database optimizations for API queries. While re-syncing from the genesis block is not mandatory, it is recommended for optimal performance.
  3. Update Configuration: To ensure proper connectivity:
  • Use the --bootstrap-nodes configuration.
  • Do not use the legacy --reserved-nodes option.
    Refer to the updated documentation for correct settings: Node Operator Guide for Mainnet and Testnet

Important Notes:

  • Nodes still using --reserved-nodes will lose connection to the network once infrastructure changes are implemented.
  • Ensure that your setup aligns with these guidelines to avoid disruptions.
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