to display BOM structure in BOMDrop form, current code use a list and have to pay many code to control layout.
mr sponsor to implement a treeModel to migrate "configuration product" from libero swing to web ui his thread
i think it's good to apply this implement back to BOMDrop, so i make this ticket for attach patch
Still reproducible in 7.1z.
Are you interested in taking the patches and creating a pull request for this ticket? Otherwise, we could close the ticket as a potential idea.