Fixed issue on Xbox One client where the leaderstat in top right did not respect StarterGui/SetCoreGuiEnabled.

Fixed an issue with “Logging out” not appearing long enough on the login page.

Fixed the issue that the TestRoot ScreenGui is not destroyed after testing.

StaterPlayerScripts and StarterCharacterScripts (the Instances with these names, not the scripts they usually refer to) cannot be created with Instance.new().

Optimized MeshPart and PartOperation collisions for speed and stability.