NOTE: Concordium Node Version v4.0.11 contained several errors, which were best fixed by resetting the testnet. Please go to Concordium Node 4.1.1 for Testnet instead. concordium-client in version 4.0.3 and cargo-concordium in version 2.0.1 remain valid as released below.
Concordium Node has been released for testnet in version 4.0.11 .
This is a major release that supports protocol version 4 that implements delegation and new smart contracts.
Accompanying the node concordium-client has been released in version 4.0.3 and cargo-concordium in version 2.0.1.