Jelle Zijlstra

This site hosts a few articles about my open-source software work:

• Notes on the CPython project, my view of some common conventions and norms on the CPython open-source project
• PEP 695, a deep dive into the implementation of PEP 695 - Type Parameter Syntax
• Typing Council, some thoughts on my role on the Typing Council.
• Improving the ast module in Python 3.13, notes on how the ast module is changing in Python 3.13.