According to official sources, the Neo-CLI V3.7.4 update was applied to the T5 testnet on May 17th and will be implemented on the Mainnet on May 24th.

This version upgrades the secp256k1 signature verification in the CryptoLib native contract, supports custom witness verification based on Koblitz and Keccak256, supports Lambda and Linq in devpack, adds multiple Neo contract examples in devpack, and supports calling application logs through command line in Neo-CLI.