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hauntsaninja merged 1 commit into from
Apr 13, 2026
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Update changelog for 1.20.1 #21205

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14 changes: 14 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -525,6 +525,20 @@ and (PR [20405](https://github.com/python/mypy/pull/20405)).

Please see [git log](https://github.com/python/typeshed/commits/main?after=f8f0794d0fe249c06dc9f31a004d85be6cca6ced+0&branch=main&path=stdlib) for full list of standard library typeshed stub changes.

### Mypy 1.20.1

- Always disable sync in SQLite cache (Ivan Levkivskyi, PR [21184](https://github.com/python/mypy/pull/21184))
- Temporarily skip few base64 tests (Ivan Levkivskyi, PR [21193](https://github.com/python/mypy/pull/21193))
- Revert `dict.__or__` typeshed change (Ivan Levkivskyi, PR [21186](https://github.com/python/mypy/pull/21186))
- Fix narrowing for match case with variadic tuples (Shantanu, PR [21192](https://github.com/python/mypy/pull/21192))
- Avoid narrowing `type[T]` in type calls (Shantanu, PR [21174](https://github.com/python/mypy/pull/21174))
- Fix regression for catching empty tuple in except (Shantanu, PR [21153](https://github.com/python/mypy/pull/21153))
- Fix reachability for frozenset and dict view narrowing (Shantanu, PR [21151](https://github.com/python/mypy/pull/21151))
- Fix narrowing with chained comparison (Shantanu, PR [21150](https://github.com/python/mypy/pull/21150))
- Avoid narrowing to unreachable at module level (Shantanu, PR [21144](https://github.com/python/mypy/pull/21144))
- Allow dangerous identity comparisons to `Any` typed variables (Shantanu, PR [21142](https://github.com/python/mypy/pull/21142))
- `--warn-unused-config` should not be a strict flag (Ivan Levkivskyi, PR [21139](https://github.com/python/mypy/pull/21139))

### Acknowledgements

Thanks to all mypy contributors who contributed to this release:
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