pyDARN v3.1 includes the following features:

Full Cartopy coastline plotting options for all spatial plots

NEW coastline​ keyword in method calls

Full Cartopy integration for plotting in geographic coordinates for grid and fan plots

Completed polar coordinate convection maps including reference vector and many customization options

Improved ACF plotting

New HALF_SLANT​ range estimation for RTP

Bug fix Multiple fan plots now available on one axis

Bug fix lowlat​ keyword now available for geographic coordinate plots

Bug fix colorbars now extend/don't extend as required along with many other minor improvements and bug fixes!