Comment 13 for bug 1739460

That behavior is intentional, Bill. The intended improvement to the UI is to provide the set of shelving locations that actually make sense for the copies being edited, rather than every location the staff user might possibly have access to.

More precisely, it offers locations that belong to the set of circ lib, owning lib, and ancestors of both (for shared shelving locations), for all selected (have a check mark by them in the bottom grid) copies.

If staff have a workflow where they use shelving locations from libraries other than where the copies live, then we could bring back the "show me everything, even if it's not relevant" behavior.