Dates correspond (roughly) to SSC Archive releases.
14may2020 - minor changes to helpfile due to new colorpalette version 30jan2019 - command -grstyle set color- now calls command -colorpalette9- instead of -colorpalette- if used in a Stata version older than 14.2 12apr2018 - command -grstyle set plain- now has options -box- and -minor- - commands -grstyle set mesh- and -grstyle set imesh- no longer print a minor grid by default, instead they now have a -minor- option - command -grstyle set color- now supports selecting colors from multiple palettes - spaces are now allowed between values and units in size specifications and -in- can now also be specified as -inch- (or -inc-); this concerns -gstyle set graphsize-, -grstyle set size-, -grstyle set symbolsize-, -grstyle set linewidth-, and -grstyle set margin- - the default element set by -grstyle set intensity-, -grstyle set symbol-, -grstyle set lpattern-, -grstyle set symbolsize-, and -grstyle set linewidth- is now -p- if a single value is provided and -p#- if more than one value is provided or option plots() is specified 14feb2018 - command -grstyle set nogrid- has been added - command -grstyle set noextend- has been added - command -grstyle set plain- now has new options -nogrid- and -noextend- - -grstyle set margins- now reorders the provided numbers when writing a scheme entry (because Stata interprets margins scheme entries as "left right top bottom" instead of the usual "left right bottom top") 22dec2017 - new command grstyle set - new command grstyle type - command gstyle refresh discarded; settings are now refreshed automatically 18oct2017 - some minor bug fixes and small improvements 15oct2017 - grstyle released on SSC