Not sure if this is planned to be fixed but
vs
It’s something that occurred after an update and messes some things up in my game.
Maybe you should include a minimal repro file that shows how the bricks and GUIs are placed exactly.
In the mean time, maybe you can get around this issue temporarily using this property on the character GUI:
http://wiki.roblox.com/index.php?title=API:Class/BillboardGui/AlwaysOnTop