Python Language Summit 2026

Lightning talks on a one-time ABI break, safer interruptions, EktuPy (Scratch but Python), an AGENTS.md file for CPython, and a call to read PEP 836.

Michael J. Sullivan presents PEP 827 and discusses a key design decision: how to store type annotations?

Tobias Wrigstad, Fridtjof Stoldt, and Donghee Na propose a safe and performant, high-level concurrency model for free-threaded Python

Petr Viktorin gives an update on the Developer-in-Residence role and asks Python core developers for projects to prioritize

Kushal Das shows off Spicycrab, a Python-to-Rust transpiler for Python users who need performance without learning Rust or leaving Python

David Hewitt shares a status update, first module, and potential acceptance criteria for the Rust for CPython project

Hood Chatham proposes memory snapshots and an initialization phase for speedier Python startups

Nathan Goldbaum proposes safe concurrent access through buffer leases and custom data types for the Python Buffer Protocol.