Oneobject/template scenecan have several versions. You can get information about an object or scene template in the Library section by clicking on the required content
The current version will be listed at the bottom of the window that appears
If there are several versions of an object in the library, it can be selected in the scene editor. You can read more about this in the article onobject versioning
Editing the scene template version is not available, the user can only get information about it
The system selects the latest version of the scene object/template by default
To get a new version of an object or scene template, contact Unity developer