For the first time in my experience I came across a project yesterday on an AC18 BIMserver that had the same library loaded twice: both reside on the BIMserver.
Easy to fix, but I thought this sort of thing couldn't happen.
Think Like a Spec Writer
MacBook M4Pro
AC4.55 through 29 / AC29.0.2 USA
Rhino 8.26 Mac
MacOS Tahoe 26.2