GeneXus 16 upgrade 4

Unofficial Content

This article is an overview of GeneXus 16 Upgrade 4 features (compared to GeneXus 16 upgrade 3) and what needs to be taken into account to adopt it.

It scheduled to be released on June 12th, 2019

Preview Download,,,4978


Please send any issue that does not happen in previous versions to gxpreview at so that we can fix it before releasing Upgrade 4.

If you want improvements to features, please  join the Beta Testers Channel at


This upgrade ships improvements in several aspects (GeneXus language, UI controls), and is the first one that ships the Java Standard classes from Github.

Upcoming: The standard classes used by the generated Java applications are now open source on github:
Java standard classes moved to GitHub - Benefits and Compatibility aspects

All Details (Features, Compatibility aspects, Issues)

Please check these links for further features, compatibility aspects, issues and details of the already mentioned.