Installation:

For DDEV v1.23.5 or above run

ddev add-on get iamntz/ddev-rename-project

For earlier versions of DDEV run

ddev get iamntz/ddev-rename-project

Usage:

ddev rename-project my-new-project

Notes:

The command will create a new DB snapshot, it will remove your current project, will create a new project and finally it will import the newly created DB snapshot.