What is Joomla article version history?

Joomla article version history is when you can add new functionality to the 'out the box' Joomla CMS install that allows you to have historical versions of your articles available for preview and review.

This can be useful for audit purposes and to keep a track of what has been changed by whom and when.

In the Joomla article versions we store all the previous published editions of a Joomla article.