1.20.0
The 1.20.0 release of GeoScript is build on Groovy 3.0.13, GeoTools 28.0, and the Java Topology Suite 1.19.0 and requires Java 8.
Release Notes:
https://github.com/geoscript/geoscript-groovy/blob/master/doc/releases.rst
API:
http://geoscript.github.io/geoscript-groovy/api/1.20.0/index.html
Cookbook:
https://geoscript.github.io/geoscript-groovy/cookbook/1.20.0/index.html