The following fixes landed in the form of TTT v33 with GMod update 162:
Crosshair "gap" (the
open space in the center) is now back to the old size. It was changed
when I added crosshair settings, now it's back to how it used to be.
Some small, possible fixes for difficult to reproduce errors
Already present was a fix included with update 161:
Weapons that are flagged by the mapper to "start constrained" now no longer float when dropped.