Renaming collection doesn't rename the root concept

Problem

When I use Rename collection, the root concept remains unchanged. It retains the old name

Comment

At creating a collection, it's name is passed to the name of the root concept, and the title of the root element. However, those three can be set independently by the user. Rename collection might change the name of the root concept or the title of the root element, however, it does not need to be the intent of the user (e.g. when creating backup collections). Moreover,

Technical

Rename collection is a fast operation on files. The collection is never "open" in the process. To implement your suggestion, the whole rename concept would have to be redesigned and re-tested due to potentially dangerous bugs. Aborted rename, e.g. due to an accidental or asynchronous file lock might leave the collection in disarray (files would need to be re-assembled manually)