This request came via email from Willy Tschager.
I wish LDview would show me the part, model, mpd header on request:
View -> Show Part/Model Header
(Note that it won't go into the View menu, but instead probably into Tools.)
Logged In: YES
The new "Model Tree" command that is now in the 3.3 source makes this redundant. The header is visible at the top of the model tree.