Casper Network to Bring Version 2.1.1 to Testnet

Name: Testnet Upgrade
Start: 2025-12-04T00:00:00Z
End: 2025-12-05T00:00:00Z

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Casper Network is preparing to upgrade its Testnet to version 2.1.1 on December 4. The upcoming release includes fixes based on previous testing and matches the build intended for future deployment on Mainnet. Users are encouraged to follow the upgrade instructions shared by the team to ensure compatibility.

Event date: December 4, 2025 UTC

Casper
@Casper_Network

Casper 2.1.1 is coming to Testnet on dec 4th!

This release includes adjustments based on previous testing and will be the version deployed to Mainnet.

Upgrade instructions 👉 https://docs.cspr.community/docs/testnet/upgrade-2_1_1.html

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