v2.12.5 (2025-11-26)
This is the fifth 2.12 patch release, addressing an issue with the MISSING sentinel and providing several documentation improvements.
The next 2.13 minor release will be published in a couple weeks, and will include a new polymorphic serialization feature addressing
the remaining unexpected changes to the serialize as any behavior.
- Fix pickle error when using
model_construct()on a model withMISSINGas a default value by @ornariece in #12522. - Several updates to the documentation by @Viicos.
Full Changelog: v2.12.4...v2.12.5