Changes in version 1.0.0 (2026-06-08) - Initial CRAN release. - Eight wavelet-quantile estimators: wavelet_qr(), multivariate_wqr(), wavelet_qqr(), np_quantile_causality(), wavelet_np_causality(), wavelet_mediation(), wavelet_quantile_correlation(), wavelet_quantile_density(). - MODWT decomposition with waveslim::mra and Short / Medium / Long band aggregation. - Interactive plotly visualisations defaulting to MATLAB Parula (parula_colors(), wqrr_colorscales()). Companion palettes for Jet, Turbo, BlueRed, Sinha, Green-Orange-Red, Green-Yellow-Red. - Vignette wqrr-introduction with a real-data walkthrough on a 30-year monthly synthetic dataset (inst/extdata/wqrr_data.csv). - For plain Quantile-on-Quantile regression see the companion CRAN package QuantileOnQuantile.