I have this in my Tuxedo Posette figure:-
actor hip:3 { storageOffset 0 0 0 objFileGeom 0 0 :Runtime:Geometries:PhilC:tuxPosette_hip.obj }
Created before the Propack was issued she opens fine in the update. Re-saving to the library does not re-write the geometry. At least not in my version. :)