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This article is an overview of GeneXus 17 Upgrade 3 features (compared to GeneXus 17 upgrade 2) and what needs to be taken into account to adopt it.

Upgrade 3 has been released on April 26th, 2021



First of all, this upgrade contains a Release Candidate of the Angular generator. Furthermore, also contains important improvements regarding applications' security, performance and underlying technology, among other improvements and bug fixes.



  • Improvements related to SSO Rest in GAM
  • Improvements related to session handling in login
  • Security Scanner for Static Code Analysis (SCA) is now built-in: Security Scanner built-in tool


  • SOAP Native support is now at object level

Navigation improvements

  • Joins & updates in Oracle, PostgreSQL and MySQL: Several cases now do the join server-side
  • Nocheck rule is supported in dynamic transactions

Future proofing

  • PostgreSQL13 support added
  • Apple: Required AppTrackingTransparency property added
  • Android: OneSignal library updated
  • Other 3rd party libraries updated


Highlights regarding compatibility aspects

  • The .NET generator, to support PostgreSQL 13, is now using by default a new driver that does not support multiple datareaders per connection. This may have some memory usage or performance implications. More information at ADO.NET drivers for PostgreSQL
  • Security: To avoid session fixation in some scenarios, information stored in the web session is destroyed in some scenarios: More information at SAC 49392

All Details (Features, Compatibility aspects, Issues)

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

GeneXus Server:;6;V17;3;V17;2;
GeneXus for SAP:;8;V17;3;V17;2;

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