Introducing Incompatible Changes in Python — Victor Stinner

[EuroPython 2023 — Forum Hall on 2023-07-21]

https://ep2023.europython.eu/session/introducing-incompatible-changes-in-python

Python 2 to Python 3 migration used the D-day approach which failed. We learnt from our mistake and we are introducing incompatible changes differently now. Document changes, provide a way to write code compatible with the old and the new way, tooling to ease the migration, design long term approach to reduce the need for incompatible changes.

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