pypi / prophet
prophet
What changed in prophet 1, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-25.
1 breaking1 new APIs and options1 tooling6 fixes and other
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npx @unstale/cli initprophet 19 changes
Breaking changes 1
Support for Python versions older than 3.10 was dropped.
New APIs and options 1
Optional regressor predictor models were added, with their uncertainty propagated.
Tooling 1
Full static typing support was added.
Fixes and other changes 6
Fixes cross-validation when shared seasonality conditions are used.
Cross-validation executor pools are closed, preventing them from being left open after use.
MAP parameter shapes are kept when the history is constant.
The metrics list passed to performance_metrics is no longer modified.
Prophet supports numpy 2.4.
Prophet supports pandas 3.0.