#23478 provide and support mypy 2.x in bundled tools Issue created by cburroughs We currently have: pants/src/python/pants/backend/python/typecheck/mypy/subsystem.py Line 83 in</pantsbuild/pants/commit/ccb7f45af1b56ec2912455888a69ceb02f166af4|ccb7f45> | default_requirements = ["mypy>=0.961,<2"] | | ----------------------------------------- | The changelog is at https://mypy-lang.blogspot.com/2026/05/mypy-20-relased.html . This is mostly 2.x in semver sense (defaults changed), not a radical re-write. I think it would be reasonable (in a future release after 2.33 that already is likely to upgrade the mypy version) to simply update this to

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. However I do think we should first fix: • #23232 • #23352 pantsbuild/pants