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This article is an overview of GeneXus X Evolution 3 Upgrade 12 features (compared to GeneXus X Evolution 3 Upgrade 11) and what needs to be taken into account to adopt it.

Upgrade 12 has been released on January 16th, 2017.



This upgrade contains several improvements and bug fixes.



  • Added support for Tomcat 8.5 or higher. More information at SAC 40348.


  • Added support for case sensitive methods, in native web services. More information at SAC 40300.

Other Details

Please refer to the following lists for more details:

Preview Channel

Before releasing, previews were available on the Preview Channel: GeneXus X Evolution 3 Upgrade 12 Preview  

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