Lifetime - List deployment history for a given environement
OutSystems 9
List the deployement history with date and User who published, version, link to full details
Gonçalo Borrêga
With Platform 9 Amsterdam we've included a new overall Audit & Log system, that includes all the actions performed in an environment. This includes of course all the staging operations, making it easy to access the depoyment history. Check more details at the documentation

You might also want to take a look at how you can leverage the Application model API to create your own plugins. There's an example component at
Gonçalo Borrêga

Quick update: the link above for the documentation is wrong. 

The right documentation page is the following: