Allow grouping applications in LifeTime

It would also be nice to restrict publishing access by these groups of applications.  For example, core functionality that shouldn't be updated by everyone.

Platform 9 Amsterdam brings a great set of additions to the ways Users, Roles and Teams are managed. Teams are used to group multiple applications and define roles of each user for these sets of apps, allowing you to model those complex security scenarios.
Check more details at http://www.outsystems.com/platform/whats-new-in-platform-9-amsterdam/enterprise-scale/