What’s new in 0.27

scikit-survival 0.27.0 (2026-02-02)

This release adds support for scikit-learn 1.8 and pandas 3.0. The updated minimum supported version of dependencies are:

Package	Minimum Version
scikit-learn	1.8.0
pandas	2.2.0
scipy	1.13.0
numpy	2.0.0

Enhancements

• Add support for scikit-learn 1.8 (#580).

• Add support for pandas 3.0 (#579).

• Add support for numpy 2.4 (#579).

Bug Fixes

• Fix splitting logic in sksurv.tree.SurvivalTree and sksurv.ensemble.RandomSurvivalForest to correctly handle missing values when using the log-rank criterion. This ensures consistency with scikit-learn 1.8.

• Fix “cannot resize array” error in Cython extension of sksurv.svm.MinlipSurvivalAnalysis by disabling refcheck.

Backwards incompatible changes

• Require at least scikit-learn 1.8.0.

• Require at least pandas 2.2.0.

• Require at least scipy 1.13.0.

• Require at least numpy 2.0.0.