Work on Teiid Designer 8.4 release is nearing completion. Get the latest milestone, 8.4 Beta1 via via our update site or download the archive.
The primary driver for this release is to upgrade the Teiid client compatibility to include Teiid 8.6 release. Check out our What's New for 8.4 article for details on some of the new features and improvements.
Teiid Designer Team