Features introduced in 5.2
-  Nonlinear coordinate systems (see set nonlinear)
 -  Automated binning of data (see bins)
 -  2D beeswarm plots. See set jitter
 -  3D plot style zerrorfill
 -  3D lighting model provides shading and specular highlighted (see lighting).
 -  Array data type, associated commands and operators. See arrays.
 -  New terminals sixelgd, domterm
 -  New format descriptors tH tM tS handle relative times (interval lengths).
 See time_specifiers.