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hauntsaninja merged 2 commits into from
Dec 29, 2024
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Add some highlights to changelog #18357

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Add some highlights to changelog
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20 changes: 19 additions & 1 deletion CHANGELOG.md
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## Next release

...
### `--strict-bytes`

By default, mypy treats an annotation of ``bytes`` as permitting ``bytearray`` and ``memoryview``.
[PEP 688](https://peps.python.org/pep-0688) specified the removal of this special case.
Use this flag to disable this behavior. `--strict-bytes` will be enabled by default in **mypy 2.0**.

Contributed by Ali Hamdan (PR [18137](https://github.com/python/mypy/pull/18263/)) and
Shantanu Jain (PR [13952](https://github.com/python/mypy/pull/13952)).

### Improvements to partial type handling in loops

This change results in mypy better modelling control flow within loops and hence detecting several
issues it previously did not detect. In some cases, this change may require use of an additional
explicit annotation of a variable.

Contributed by Christoph Tyralla (PR [18180](https://github.com/python/mypy/pull/18180)).

(Speaking of partial types, another reminder that mypy plans on enabling `--local-partial-types`
by default in **mypy 2.0**).

## Mypy 1.14

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