Changes in version 0.4.0                        

Breaking changes

  - retirantes changes one color. Its light center is now #D9CBB2, the
    palest tone of Northeastern Migrants, instead of #EFE9E0 (previously
    drawn from Mr. Queiroz Lima, which is no longer a reference work).
    Plots that use the center of retirantes will look slightly warmer
    and darker. The other seven colors, their order and colorblind
    safety are unchanged.

New features

  - New theme_portinari(), a complete ggplot2 theme in the spirit of
    Portinari's canvases, with three moods: "canvas" (raw linen, umber
    ink, sienna contours), "guerra" (indigo ground, pale citrine ink)
    and "paz" (golden cream ground, brown ink). Options for grid lines
    and a painted frame; all text meets WCAG AA contrast.
  - New diverging palette terra_roxa: the plum and mauve tones of the
    worker's shirt in Coffee Agricultural Worker against the pale greens
    of the coffee rows, through a sage off-white center. Its colors were
    sampled from the MASP image, and all nine are colorblind-safe.
  - New sequential palette roxa_terra, the companion to terra_roxa: from
    the near-black soil at the bottom of Coffee Agricultural Worker,
    through the plums of terra_roxa, to the pale citrine of Guerra. All
    eight colors are colorblind-safe.

Documentation

  - The "Choosing a palette style" article shows theme_portinari(), a
    correlation heatmap with terra_roxa and an elevation map with
    roxa_terra; "The paintings" covers both new palettes.

                 Changes in version 0.3.0 (2026-10-28)                  

  - First CRAN release (2026-10-28).

  - Discrete scales now work with ggplot2 < 3.5.0, which requires
    scale_name.

  - Palettes now have a style, as in RColorBrewer and MetBrewer:
    qualitative (cafe, paz), diverging (retirantes, inah, sofia, guerra)
    and sequential (guerra_azul, paz_ouro). portinari.palettes() and
    show_portinari() gain a category filter.

  - New sequential palettes guerra_azul and paz_ouro, derived from the
    UN panels.

  - Palettes are stored MetBrewer-style: colors in display order plus an
    order ranking for discrete picks. Discrete subsets now suit the
    style: sequential and diverging palettes keep both ends (and the
    light center), qualitative palettes keep the most distinct colors.
    The colors returned for a given n have changed for every palette.

  - sofia is now colorblind-safe for its first 3 colors (was 2).

  - New portinari.works() lists the paintings behind each palette with
    links.

  - Hex logo: a portrait of Portinari in the light shades of guerra.

  - pkgdown site with two articles: "The paintings" (images and links
    for every reference work) and "Choosing a palette style".

                        Changes in version 0.2.0                        

  - New palettes guerra (9 colors, all colorblind-safe) and paz (8
    colors, first 4 colorblind-safe), from Portinari's Guerra and Paz
    panels at the United Nations Headquarters.
  - Continuous palettes and scales now interpolate along a smooth ramp
    order stored with each palette, instead of the discrete priority
    order. Gradients for every palette are smoother as a result.

                        Changes in version 0.1.0                        

  - First release: portinari.pal(), scale_color_portinari(),
    scale_colour_portinari(), scale_fill_portinari(),
    portinari.palettes(), portinari.cvd.check() and show_portinari().
  - Four palettes: cafe, retirantes, inah, sofia. Two are
    colorblind-safe for all colors, two for a subset.