Diego,
The feature is called Article Alerts, available on the left hand side of the home page. As Jakub said, you can subscribe to both Article Type = Release Notes and Product = [your product].
Here is the link to subscribe:
https://genesyspartner.force.com/customercare/pkb_categorySubscriptionOur Documentation site has details on this feature:
http://docs.genesys.com/Documentation/ST/latest/Premise/KnowledgeBase#t-0 [Note: you need to go to the documentation site in order to authenticate, and then the link will take you to the information]
Thanks,
Roger Farr
Genesys Customer Care