Yes, please post anything you observe, Rick.
Here's the link to the US library docs - everyone in the US really should read the "ArchiCAD 12 New Features Document" before starting a project. IMHO this should have been in the 'read me first / new features' document.
http://www.graphisoft.com/support/archicad/downloads/library_guide12/USA.html
Outside the US, find your local version by going to Help > ArchiCAD 12 Library Guide.
Pages 1 and 2 of the US 'new library features' document above apply to all users, as the behavior is part of the program.
Karl
PS If we have much more about the library to say, we should start a new thread to keep this as a 'v12 in general' thread - which I assume is supposed to be more like 'first impressions' or something...and we're clearly on to second impressions here.
😉
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