Added VSUP scales and guides for value-suppressing uncertainty palettes.
Added regular glyph shapes for geom_sf_glyph(), including circle, square, triangle, hexagon.
Added Chernoff face glyphs for glyph maps.
Added geom_sf_dualmap() for combining a colour-filled choropleth layer with a centroid-based glyph layer.
scale_bivariate() now supports user-specified breaks, limits, labels, and transformations.
scale_bivariate() now supports unequal numbers of groups across the two mapped variables.
Pixel maps now support different pixel shapes.