This is primarily a bug fixing release, with fixes made for PostGIS geography rendering issues, WPS response outputs, logging capabilities, and documentation inconsistencies. New WPS processes have been added, as well as support for PostGIS 2.0.
This release contains many new features, including WMS Cascading, Virtual Services, Layers from SQL, Web Processing Service, SLD Unit of Measure, DPI scaling, Graphical file/directory chooser, database-backed catalog, font improvements, upgrade to Spring Security, WCS limits, WMS 1.3.0, SLD 1.1 / SE 1.1 improvements, GeoWebCache direct WMS integration, improved raster reprojection performance, a WCS request builder, and much more.
This release includes support for Oracle GeoRasters, visualization of EPSG coverage, and default style preview in layer publishing configuration. It also includes rendering improvements, including SLD parameter substitution for dynamic styling, and full documentation for geometry transformation capabilities. There are also additions for building image pyramids, polymorphism in application schemas, and implementation of the GetStyles WMS operation. Countless bugfixes and small improvements have been made.