Neo has introduced the MainNet Message Bridge, a significant step towards enhancing cross-chain interoperability between Neo N3 and Neo X. This new infrastructure facilitates seamless data exchange and cross-chain smart contract execution, broadening the capabilities of developers working within the Neo ecosystem. The MainNet Message Bridge also integrates essential features such as Oracles and Neo FS, providing developers with a more versatile and robust toolset. This development is expected to significantly enhance the flexibility and functionality of applications built on Neo's blockchain platforms.