msgspec releases
PyPI package, released from jcrist/msgspec on GitHub · No. 649 of the most used PyPI packages in the paper's catalog
Latest release the paper recorded: msgspec 0.22.0, Sep 29, 2026. Its newest GitHub release when last read: Sep 29, 2026.
Latest releases
Newest first, each linking to its notes on GitHub; the excerpt is the notes' own opening, where they have text.
- msgspec 0.22.0
From the release notesVersion 0.22.0 (2026 09 29) BREAKING : Setting gc=False on a struct type that has a weakref slot, whether from weakref=True or from a base class, now raises ValueError . On CPython 3.12 and later the weakref slot is stor…