CPython: Foundation for Scientific Python

SciPy 2025: Plenary tools session

Transcript

1. Carol Willing CPython Foundation for Scientific Python 1 July 10, 2025 CPython Core Team Thanks to C.A.M, Mike, Davin, and Steve for their work on CPython for science.
2. 2 Releases Latest: 3.13 Coming soon: 3.14 Main: Future 3.15 End-of-life: 3.9 PEP 745: Python 3.14 Release Schedule Thanks to Hugo van Kemenade as release manager. https://devguide.python.org/versions/
3. 3 Python 3.14 https://docs.python.org/3.14/whatsnew/3.14.html https://www.python.org/downloads/release/pytho n-3140b4/ Python 3.14b4 Download and test your packages. Template strings (PEP 750) Deferred evaluation of annotations (PEP 649 & 749) Compression Zstandard support (PEP 784) Syntax highlighting in REPL
4. 4 Python Free-Threading https://py-free-threading.github.io/
5. 5 Porting to Free-threaded CPython https://py-free-threading.github.io/ Meet Nathan Goldbaum at the SciPy sprint.
6. CPython: Foundation for Scientific Python 6 Staying Informed, Mobile, and Packaging https://pyfound.blogspot.com/2025/06/python-language-summit-2025.html Python Language Summit 2025 blog posts https://pyfound.blogspot.com/2025/06/python-language-summit-2025.html PEPs (Python Enhancement Proposals) https://discuss.python.org Discourse forum (discuss.python.org) https://pyfound.blogspot.com/2025/06/python-language-summit-2025-pyt hon-on-mobile.html iOS and Android https://pyfound.blogspot.com/2025/06/python-language-summit-2025-packagi ng-governance-process.html Packaging Summit and Packaging PEPs
7. CPython: Foundation for Scientific Python 7 Thank you from the CPython core team.