Axelar to Upgrade Testnet for Cosmos SDK Support

Name: Testnet v.1.3.1 Upgrade
Start: 2025-12-01T14:00:00Z
End: 2025-12-02T14:00:00Z

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Axelar announces that its testnet will undergo an upgrade on December 1 at 2 PM UTC. The update introduces support for Cosmos SDK v.0.50, reducing block times from five seconds to one second.

The maintenance window is expected to last about one hour. During this period, testnet versions of Axelar Network will have token transfers and General Message Passing (GMP) temporarily unavailable. All pending GMP calls will be executed automatically once the upgrade is complete.

Event date: December 1, 2025 14:00 UTC

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