Changes in version 0.5.0 (2026-10-28)                  

  - Date: 2026-10-06
  - Use the standard left-limit Kaplan-Meier probability, $\hat S(t-)$,
    consistently in the estimator and influence function.
  - Aligned influence-function inference with the selected integration
    method.
  - Added validation for identifiers, event records, truncation times,
    and other estimator inputs.
  - Use the common follow-up support by default for two-sample
    comparisons.
  - Improved package metadata, documentation, portability, and tests.

                        Changes in version 0.4.0                        

  - Date: 2024-11-09
  - Added vignette describing the estimator.
  - Added ability to specify the type of sum used to calculate the
    AURMC.