This afternoon we cut our final "1.X" release of Geocortex Essentials: 1.5.2 (Geocortex Essentials 2.0 builds on top of 1.X).
1.5.2 contains some big features, and a lot of quality improvements. We were able to incorporate a tonne of features and defect fixes specifically requested by the forum community on the Geocortex Support Center. Among a couple dozen other features, we've added support for group layers defined in map services:
The release is available on the Geocortex Support Center, along with detailed release notes.
Stay tuned for announcements related to Geocortex Essentials 2.0!