This bug was probably introduced in the last update.
There is a certain area in the upper-right corner of the screen where the mouse does not do anything when you try to click on it.
Right-clicking doesn’t move the camera, and left-clicking doesn’t activate any GUI buttons that may be underneath it.
That whole time, I am right clicking to try and move the camera. (Cursor turning black: unable to do anything) There’s a tiny space below the player name where it actually does work.
It happens whether the leaderboard is visible or not. I also disabled all CoreGUIs and the bug was still happening.
It’s happening in both live games and play solo/test servers.
This is caused by the “TopRightContainer” ImageButton created by the ‘TenFootInterface.lua’ corescript module. To fix the issue, set ‘Active’ to false while it’s not in use.
Edit: Why does that use an ImageButton anyways? A quick run-through of the script just uses it as a frame anyways and it has no purpose as a button. Either a frame or ImageLabel would make more sense as far as I can tell.