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The 2026 Python Language Summit was hosted in Kraków, Poland as part of EuroPython 2026. There were 15 talks covering free-threading, Rust, garbage collection, type annotations, and more.

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