Starknet releases new version Cairo v2.5.0, involving advanced compiler changes

According to official sources, Starknet released a new version, Cairo v2.5.0, which only involves changes to the advanced compiler (Cairo to Sierra), so it can be deployed immediately on the Starknet test network and main network. This version also introduces various features of Sierra, eliminates many restrictions in matching expressions, introduces more friendly loop syntax, and adds the concept of "pub".