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 # Mypy Release Notes
 
+## Next release
+
+
+
+## Mypy 1.10 (Unreleased)
+
+We’ve just uploaded mypy 1.10 to the Python Package Index ([PyPI](https://pypi.org/project/mypy/)). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows:
+
+    python3 -m pip install -U mypy
+
+You can read the full documentation for this release on [Read the Docs](http://mypy.readthedocs.io).
+
+**TODO**
+- Implement TypeIs (PEP 742) (Jelle Zijlstra, PR [16898](https://github.com/python/mypy/pull/16898))
+- Error handling for recursive TypeVar defaults (PEP 696) (Marc Mueller, PR [16925](https://github.com/python/mypy/pull/16925))
+- Add basic support for recursive TypeVar defaults (PEP 696) (Marc Mueller, PR [16878](https://github.com/python/mypy/pull/16878))
+
+#### Other Notable Changes and Fixes
+- fix: incorrect returned type of access descriptors on unions of types (Matthieu Devlin, PR [16604](https://github.com/python/mypy/pull/16604))
+- Fix crash when expanding invalid Unpack in a `Callable` alias (Ali Hamdan, PR [17028](https://github.com/python/mypy/pull/17028))
+- Fix string formatting for string enums (roberfi, PR [16555](https://github.com/python/mypy/pull/16555))
+- Narrow individual items when matching a tuple to a sequence pattern (Loïc Simon, PR [16905](https://github.com/python/mypy/pull/16905))
+- Add TypeGuard and TypeIs traversing in TypeTraverserVisitor (Evgeniy Slobodkin, PR [17071](https://github.com/python/mypy/pull/17071))
+- Improve error message for bound typevar in TypeAliasType (Ali Hamdan, PR [17053](https://github.com/python/mypy/pull/17053))
+- Fix TypedDict init from Type with optional keys (Marc Mueller, PR [17068](https://github.com/python/mypy/pull/17068))
+- Improve yield from inference for unions of generators (Shantanu, PR [16717](https://github.com/python/mypy/pull/16717))
+- Support `TypeAliasType` in a class scope (Ali Hamdan, PR [17038](https://github.com/python/mypy/pull/17038))
+- attrs: Fix emulating hash method logic (Hashem, PR [17016](https://github.com/python/mypy/pull/17016))
+- Use lower-case generics more consistently in error messages (Jukka Lehtosalo, PR [17035](https://github.com/python/mypy/pull/17035))
+- Revert "Revert use of `ParamSpec` for `functools.wraps`" (Tamir Duberstein, PR [16942](https://github.com/python/mypy/pull/16942))
+- Support `TypeAliasType` (Ali Hamdan, PR [16926](https://github.com/python/mypy/pull/16926))
+- Fix type narrowing for types.EllipsisType (Shantanu, PR [17003](https://github.com/python/mypy/pull/17003))
+- Disallow all super calls to methods with trivial bodies (Shantanu, PR [16756](https://github.com/python/mypy/pull/16756))
+- Fix single item enum match type exhaustion (Oskari Lehto, PR [16966](https://github.com/python/mypy/pull/16966))
+- Fix inference with UninhabitedType (Marc Mueller, PR [16994](https://github.com/python/mypy/pull/16994))
+- Allow TypedDict initialization from Type (Marc Mueller, PR [16963](https://github.com/python/mypy/pull/16963))
+- Fix override checking for decorated property (Shantanu, PR [16856](https://github.com/python/mypy/pull/16856))
+- Fix duplicate word in protocols.rst (hesam, PR [16950](https://github.com/python/mypy/pull/16950))
+- Workaround parenthesised context manager issue (Shantanu, PR [16949](https://github.com/python/mypy/pull/16949))
+- Fix narrowing on match with function subject (Edward Paget, PR [16503](https://github.com/python/mypy/pull/16503))
+- Allow inferring +int to be a Literal (Spencer Brown, PR [16910](https://github.com/python/mypy/pull/16910))
+
+#### Stubgen Improvements
+- stubgen: Preserve empty tuple annotation (Ali Hamdan, PR [16907](https://github.com/python/mypy/pull/16907))
+- stubgen: Add support for PEP 570 positional-only parameters (Ali Hamdan, PR [16904](https://github.com/python/mypy/pull/16904))
+- stubgen: Replace obsolete typing aliases with builtin containers (Ali Hamdan, PR [16780](https://github.com/python/mypy/pull/16780))
+- stubgen: Fix generated dataclass `__init__` signature (Ali Hamdan, PR [16906](https://github.com/python/mypy/pull/16906))
+
+#### Stubtest Improvements
+- stubtest: correct type annotations in _Arguments (Sam Xifaras, PR [16897](https://github.com/python/mypy/pull/16897))
+
+#### Mypyc Improvements
+- [mypyc] Refactor: add two list primitive ops (Jukka Lehtosalo, PR [17058](https://github.com/python/mypy/pull/17058))
+- [mypyc] Refactor: use primitive op for initializing list item (Jukka Lehtosalo, PR [17056](https://github.com/python/mypy/pull/17056))
+- [mypyc] Refactor: move tagged int related code to mypyc.lower.int_ops (Jukka Lehtosalo, PR [17052](https://github.com/python/mypy/pull/17052))
+- [mypyc] Implement lowering for remaining tagged integer comparisons (Jukka Lehtosalo, PR [17040](https://github.com/python/mypy/pull/17040))
+- [mypyc] Implement lowering pass and add primitives for int (in)equality (Jukka Lehtosalo, PR [17027](https://github.com/python/mypy/pull/17027))
+- [mypyc] Optimize away some bool/bit registers (Jukka Lehtosalo, PR [17022](https://github.com/python/mypy/pull/17022))
+- [mypyc] Provide an easier way to define IR-to-IR transforms (Jukka Lehtosalo, PR [16998](https://github.com/python/mypy/pull/16998))
+- [mypyc] Remangle redefined names produced by async with (Richard Si, PR [16408](https://github.com/python/mypy/pull/16408))
+- [mypyc] Optimize TYPE_CHECKING to False at Runtime (Srinivas Lade, PR [16263](https://github.com/python/mypy/pull/16263))
+- [mypyc] Fix compilation of unreachable comprehensions (Richard Si, PR [15721](https://github.com/python/mypy/pull/15721))
+- [mypyc] Don't crash on non-inlinable final local reads (Richard Si, PR [15719](https://github.com/python/mypy/pull/15719))
+
+#### Documentation Improvements
+- Update running_mypy.rst add closing bracket (Roman Solomatin, PR [17046](https://github.com/python/mypy/pull/17046))
+- Docs: docstrings in checker.py, ast_helpers.py (Ihor, PR [16908](https://github.com/python/mypy/pull/16908))
+- docs: Add missing ClassVar import (youkaichao, PR [16962](https://github.com/python/mypy/pull/16962))
+- Docs: Update `TypedDict` import statements (Riccardo Di Maio, PR [16958](https://github.com/python/mypy/pull/16958))
+- Docs: adding missing `mutable-override` to section title (James Braza, PR [16886](https://github.com/python/mypy/pull/16886))
+
+#### Acknowledgements
+Thanks to all mypy contributors who contributed to this release:
+
+- Alex Waygood
+- Ali Hamdan
+- Edward Paget
+- Evgeniy Slobodkin
+- Hashem
+- hesam
+- Hugo van Kemenade
+- Ihor
+- James Braza
+- Jelle Zijlstra
+- jhance
+- Jukka Lehtosalo
+- Loïc Simon
+- Marc Mueller
+- Matthieu Devlin
+- Michael R. Crusoe
+- Nikita Sobolev
+- Oskari Lehto
+- Riccardo Di Maio
+- Richard Si
+- roberfi
+- Roman Solomatin
+- Sam Xifaras
+- Shantanu
+- Spencer Brown
+- Srinivas Lade
+- Tamir Duberstein
+- youkaichao
+
+I’d also like to thank my employer, Dropbox, for supporting mypy development.
+
+
 ## Mypy 1.9
 
 We’ve just uploaded mypy 1.9 to the Python Package Index ([PyPI](https://pypi.org/project/mypy/)). Mypy is a static type checker for Python. This release includes new features, performance improvements and bug fixes. You can install it as follows: