How Python Will Test Adding Rust Into CPython

Python’s security developer-in-residence Seth Larson reports from this year’s official core developer Python Language Summit: “No one said ‘don’t do this’ last year”. After testing the waters at PyCon US 2025, [software engineer] David Hewitt returned to the Python Language Summit asking what Python core developers want from Rust, along with proposed timelines, phases, and success criteria for how the Rust for CPython project might proceed and become a permanent fixture within the CPython project. David is acting as an “ambassador” for the Rust for CPython project team, which is currently led