Version 5.9.7 of PLplot is now available. Improvements since 5.9.6
include the addition of a legend rendering function to the API,
pllegend, and alpha value support for in memory plotting with the
memcairo and memqt devices.
(1) Please refer to our wiki for the latest build and install
(2) Let us know of any problems / bugs that you come across while
installing / using PLplot.