Tagged series

The minimum and maximum of a series as [min, max], skipping gaps (null), or null when there is no value.

A categorical palette of n colour-blind-safe colours for chart series: Okabe-Ito or Paul Tol's bright scheme.

Stack several series for stacked bars and areas: on zero, normalised to 100%, or diverging around zero.

When a repeating todo's due date is moved by hand, move its series with it: the new date becomes the anchor.