SharePoint Document ID is a greatly appreciated feature since it allows for renaming and movement of files while maintaining link integrity. However, when doing proper change management on documents the editing of the doc happens away from the location where it is published for "public" consumption. Then, the new (and fully approved version) is uploaded with the same name (intent is to maintain the URL). But, the upload causes a new document ID to be generated and that breaks the link. Disappointing that something that touts being a solid document management platform breaks URLs when the item is being replaced.