- In 16.10 this feature was broken, so a patch was added to remove the menu item for it.
- In 17.04 it should work, but nobody removed the patch, so still no menu item
- In 17.10 @Wimpy finally removed the patch (as I see in this commit).
The dialog is still buggy though. You’ll need to resize it after every switch between categories on the left pane, otherwise it becomes empty. We still have the bug report open because of it: