Sonic to Host Mandatory Node Upgrade on November 3rd

Name: Mandatory Node Upgrade
Start: 2025-11-03T13:00:00Z
End: 2025-11-04T13:00:00Z

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Sonic has rolled out version 2.1.2 for both mainnet and testnet, requiring all node operators to upgrade immediately to prevent disconnection. The update introduces native fee subsidies and critical security enhancements, replacing the previous v.2.1 in preparation for Sonic’s upcoming full mainnet upgrade and Pectra compatibility. The requirement applies to validators, RPC providers, archive nodes, exchanges, and other node operators. The complete network transition is scheduled for November 3, at 13:00 UTC.

Event date: November 3, 2025 13:00 UTC

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