In the era of rapid development in technology and artificial intelligence, pioneering technology company Modular has introduced a groundbreaking open-source project called Mojo. This programming language aims to enhance the functionality of Python, enabling developers to write flexible code that delves deep into the underlying code. This significant initiative undoubtedly reshapes the landscape of Python programming, endowing it with unprecedented speed and efficiency. Modular has always adhered to the spirit of open-source, and the release of Mojo under the Apache 2 license marks a solid step forward in realizing its vision. Since its initial debut in May 2023, Mojo has been continuously improved and evolved, with the Modular team committed to collaborating with developers worldwide to drive the growth of this language. Having accumulated rich experience in the open-source domain, Modular has made contributions to various renowned projects such as LLVM, Swift, TensorFlow, and PyTorch. This time, they employ a similar strategy to create a vibrant ecosystem for developers and innovators. To achieve this, they not only make the source code of Mojo and the revision history of the standard library public, but also provide nightly builds of the Mojo compiler and encourage external contributions through GitHub pull requests. The open-sourcing of the core modules of Mojo signifies a significant step for Modular in building an open and inclusive development community. The company has established a comprehensive set of contribution guidelines, including development guidelines, contribution guidelines, style guidelines, vision planning, governance structure, and frequently asked questions, aiming to fully support developers in making meaningful contributions to the standard library. Modular also offers gifts and other forms of benefits to developers who make significant contributions. It is worth mentioning that nightly builds of the Mojo compiler are now open to developers, allowing them to test their contributions in real-time for compatibility with the latest version of the compiler. This initiative greatly promotes the open development of the Mojo compiler, enabling developers to stay at the forefront of the language's progress. In conclusion, as Mojo continues to progress and mature, it will have a profound impact on the Python and AI communities, providing developers with a powerful toolkit and ushering in a new era of programming language innovation. We look forward to Mojo continuing to lead this trend and injecting more vitality and innovation into the entire technology ecosystem.