optbinning 1.0.0

OptBinning 1.0.0

on Python PyPI

This release starts the 1.x series and drops support for Python 3.10.

New features:

• Add support for Python 3.13 #314.
• Add JSON serialization and deserialization for optimal binning objects #387.
• Add negative split_digits values to round split points to the left of the decimal point #319.

Improvements:

• Make CP-SAT optimization deterministic.
• Calculate HHI and KS statistics using valid records only #369.
• Improve typing annotations and API docstrings throughout the package.

Bugfixes:

• Fix missing-bin indexes in binning plots and valid-bin HHI masking.
• Fix per-variable metric_special and metric_missing overrides in scorecard points tables.
• Fix record counts in OptimalBinningSketch #368 .
• Fix ContinuousOptimalBinning when special codes are not present #340.
• Fix binning_transform_params leaking between variables #355 .
• Fix JSON state restoration required by transform #387.
• Silence expected runtime warnings during event-rate to WoE conversion.

Packaging and dependencies:

• Replace setup.py with a PEP 621 pyproject.toml #350.
• Require Python 3.11 or newer and update the continuous integration matrix.
• Update the minimum OR-Tools version to 9.15.

Documentation:

• Refresh installation instructions for the modern pip install . workflow.
• Update version information and copyright notices for the 1.0.0 release.

Contributors:

• Uvindu <https://github.com/Uvindu>_ : author of the PEP 621 packaging migration pull request #386.
• detrin <https://github.com/detrin>_ : original proposer of the PEP 621 packaging migration #350.
• Lucas Morin <https://github.com/lcrmorin>_ : JSON serialization fixes, scorecard metric overrides, sketch record
  counts, special-code handling, parameter isolation, warning cleanup, and convex-hull maintenance.