lifelines 0.30.1

v0.30.1

on Python PyPI

0.30.1 - 2026-02-04

• Optimize AalenJohansenFitter variance calculation using prefix-sum accumulators; add LinearAccumulator/QuadraticAccumulator utilities and tests.
• Fix CoxPHFitter handling when event_col=None (sorting and default event vector).
• Fix add_at_risk_counts for NumPy >= 2.4 scalar conversion; add regression test.
• Support Python 3.13 and 3.14.