Currently, Bitbucket repositories don't have unique ID hence the user is unable to create repositories with the same name even if it's on different projects because all repositories are accessed within the level of workspace. As Bitbucket Server guarantees the repository name to be unique per project, this constraint impedes the server-to-cloud migration.
Allow the users to maintain the uniqueness of repository names per project.
None. Consider adding yourself as a watcher to be kept informed as to the state of this feature request moving forward. With that way, if our development team updates the ticket, you'll be notified via email.