Odaily Planet Daily News According to official news, Starknet Foundry 0.2.0 has been launched, which fixes the problem of using import in test files. As previously reported, Starknet Foundry is an extremely fast toolkit for developing Starknet contracts. It was designed and developed by Software Mansion’s former Protostar team and is written in Rust based on the local Cairo test runner and Blockifie.