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Did not know that, my current shop is all-in on Atlassian so I'll have to check that out

Looks like it's not out of the box, might be why you hadn't heard of it. Having trouble finding the name of the plugin.

ETA: Closest I seem to be able to get is this jira ticket: https://jira.atlassian.com/browse/CONFSERVER-27798

Would like to know this too.