GeoServer and the Java toolkit GeoTools comprise one of OSGeo's fastest moving mapping ecosystems. In addition to this core we will cover java-stack developments in JTS, GeoWebCache and ImageIO-Ext.First up is "State of GeoServer" reviewing the new and noteworthy features introduced in the past year. Our six month release cycle sees GeoServer 2.5 and 2.6 being released this year. These releases bring together exciting new features: WCS 2.0 and WCS 2.0 Earth Observation profile, batch importer, and a fresh implementation of GetFeatureInfo.Switching to technical for a GeoTools update. A passion for performance sees improvements in PNG and JPEG encoding, rendering from PostGIS and experimental JDK work. This presentation provides a review of new features, api changes and community modules. We have simplified the core FeatureCollection interface, introduced partial 3D support, structured grid coverages, multiple grid coverages and extended JTS Geometry with Curves.Data formats support continues to grow with the latest GeoPackage, native NetCDF support and a new shapefile and wfs client implementation. Database users have table and index management methods to look forward to. Extensions have seen a lot of activity with WMS client improvements, vector grids, and a transform extension for dynamic feature collection processing.Attend this talk for a cheerful update on what is happening with these great OSGeo projects! Whether you are an expert user, a developer, or simply curious what these projects can do for you, this talk is for you.