Compatibility: TerraGo Publisher for ArcGIS and TerraGo Publisher for ArcGIS Server version 7.3 includes support for the latest release of Esri® ArcGIS® version 10.5.1, and helps you take advantage of the newest features and capabilities of the industry’s leading GIS platform, while sharing it all with non-GIS users. Bug fixes to significantly improve performance and address any customer-reported issues. Note: This release requires a Publisher version 7.0+ license key. If you are not yet on version 7, request your new license keys here. For a complete list of updates, view the “What defects were fixed in this release?” section of the TerraGo Publisher Release notes.