Odaily According to Neo’s official Medium, Neo-CLI v3.6.2 was released on November 17, will be deployed to the T5 test network on November 21, and will be deployed to the main network on December 4. Improvements and optimizations in this version include: adding a new system call CurrentSigners to obtain the current transaction signer; adding a new function StrLen in the native StdLib contract name to obtain the string length in the smart contract; The transaction setting attribute fee of the conflict attribute adds a cancellation command in neo-cli and rpc, which is used to cancel transactions that have not yet been uploaded to the chain. This upgrade involves changes to native contracts and virtual machines. When upgrading, it is critical to resynchronize your data. Do not use the old version of the configuration file config.json.