It's not limited to any number you'd need to worry about - lots of thousands - far more than you'd ever have any realistic use for. But I'd recommend splitting the project up if you have a lot, as it'll become unwieldy and difficult for the users.
Atlassian Summit is an excellent opportunity for in-person support, training, and networking.Learn more
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG