Xlinks need to be added to Version 4 GUI
Xlinks is a large new feature of Version 4 and it's currently not supported in the GUI
It has been finished this week! And it will integrated in the build 268 on Tuesday, and we will make it public next week.
Adminpsantosl (Admin, plasticscm) commented
Ok, looks like this is priority number one right now for most of you guys...
We'll get it done next sprint (mid April)