Python 3.14 Getting New Interpreter

Python 3.14 introduces several significant features and improvements over its predecessor, Python 3.13. Notable changes include PEP 649, which implements deferred evaluation of annotations, allowing annotations to be stored and evaluated only when necessary, enhancing performance and usability. PEP 741 introduces a new Python Configuration C API, streamlining the initialization process. Additionally, a new interpreter type based on tail calls has been added, potentially improving performance by 3% to 30% depending on the platform. The release also includes improved error messages for unpacking assignments and new modules like `annotationlib` for inspecting annotations. Other enhancements span various modules, including `argparse`, `ast`, and `datetime`, with optimizations in built-in functions and the introduction of new class methods. Deprecated features and those pending removal in future versions are also noted, ensuring developers are aware of upcoming changes. Overall, Python 3.14 aims to enhance performance, usability, and clarity in error reporting while introducing new capabilities for developers.

- Python 3.14 features deferred evaluation of annotations for better performance.

- A new Python Configuration C API simplifies the initialization process.

- A new interpreter type based on tail calls may improve performance significantly.

- Enhanced error messages and new modules like `annotationlib` are introduced.

- Several modules have been improved, and deprecated features are noted for future removal.