Current quickstarts (in ER3) don't use uberjars. After slaskawi's fixes with uberjars, there is currently no blocker to be so. PR with the fix coming soon.
PR: https://github.com/jboss-developer/jboss-jdg-quickstarts/pull/114
Martin Gencur <mgencur> updated the status of jira JBQA-12055 to Resolved