The plugin allow to track and control changes of pages templates in a space and Global page templates.
Two menus are present:
The "Templates History" menu is available for space administrators and shows the list of the templates in the space with the ability to further see the details on templates changes.
After clicking View History, you navigate to the History menu, where you can see all the versions of the template with:
In Actions column you can do the corresponding with the template version:
It is accessible for Confluence administrators and gives the same options as space Templates History menu.