Changes in version 1.0.0 (2026-06-01)                  

  - Initial CRAN release.
  - qqkrls() implements Quantile-on-Quantile Kernel-Based Regularized
    Least Squares (Adebayo et al. 2024) by fitting KRLS::krls on
    conditional sub-samples and summarising pointwise marginal effects
    across quantiles, with paired-bootstrap standard errors.
  - 3D surface, heatmap and contour visualisations (plot_qqkrls_3d,
    plot_qqkrls_heatmap, plot_qqkrls_contour).
  - MATLAB Parula default colour scale, plus Jet, Turbo and BlueRed.
  - Helpers qqkrls_to_matrix(), qqkrls_export().