Sourced from mypy's changelog.

Mypy 1.19.1

• Fix noncommutative joins with bounded TypeVars (Shantanu, PR 20345)
• Respect output format for cached runs by serializing raw errors in cache metas (Ivan Levkivskyi, PR 20372)
• Allow types.NoneType in match cases (A5rocks, PR 20383)
• Fix mypyc generator regression with empty tuple (BobTheBuidler, PR 20371)
• Fix crash involving Unpack-ed TypeVarTuple (Shantanu, PR 20323)
• Fix crash on star import of redefinition (Ivan Levkivskyi, PR 20333)
• Fix crash on typevar with forward ref used in other module (Ivan Levkivskyi, PR 20334)
• Fail with an explicit error on PyPy (Ivan Levkivskyi, PR 20389)

Acknowledgements

Thanks to all mypy contributors who contributed to this release:

• A5rocks
• BobTheBuidler
• bzoracler
• Chainfire
• Christoph Tyralla
• David Foster
• Frank Dana
• Guo Ci
• iap
• Ivan Levkivskyi
• James Hilton-Balfe
• jhance
• Joren Hammudoglu
• Jukka Lehtosalo
• KarelKenens
• Kevin Kannammalil
• Marc Mueller
• Michael Carlstrom
• Michael J. Sullivan
• Piotr Sawicki
• Randolf Scholz
• Shantanu
• Sigve Sebastian Farstad
• sobolevn
• Stanislav Terliakov
• Stephen Morton
• Theodore Ando
• Thiago J. Barbalho
• wyattscarpenter

I’d also like to thank my employer, Dropbox, for supporting mypy development.

Mypy 1.18

We’ve just uploaded mypy 1.18.1 to the Python Package Index (PyPI). Mypy is a static type checker for Python. This release includes new features, performance

... (truncated)

• 412c19a Bump version to 1.19.1
• 20aea0a Update changelog for 1.19.1 (#20414)
• 2b23b50 Serialize raw errors in cache metas (#20372)
• f60f90f Fail on PyPy in main instead of setup.py (#20389)
• 58d485b Fail with an explicit error on PyPy (#20384)
• a4b31a2 Allow types.NoneType in match cases (#20383)
• 8a6eff4 [mypyc] fix generator regression with empty tuple (#20371)
• 70eceea Fix noncommutative joins with bounded TypeVars (#20345)
• 3890fc4 Fix crash involving Unpack-ed TypeVarTuple (#20323)
• c93d917 Fix crash on star import of redefinition (#20333)
• Additional commits viewable in compare view

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