During May 2026, contributed to the python/cpython repository by implementing dynamic __qualname__ support for dataclasses. This work introduced a qualname parameter to the make_dataclass function, allowing developers to specify the __qualname__ attribute for dynamically created dataclasses. The approach included updating documentation and adding comprehensive unit tests to ensure the new parameter’s correct behavior while maintaining backward compatibility with the existing API. Leveraging expertise in Python, CPython internals, and software development, the changes improved debugging, stack trace clarity, and runtime introspection for dynamic dataclass creation, providing a more robust and flexible experience for Python developers working with dataclasses.