With Mautic 4 we are announcing the first phase of our Strategic Initiative, enabling you to manage Mautic fully with Composer and introducing support for Composer 2. Read more in this blog post.

Using a “staging” server to test whether an update is successful before applying it to production, is a best practice to prevent unexpected errors with your live marketing database. In this article, you will learn how to clone your Mautic installation to a staging server and manually perform a Mautic update to the latest stable version.

The Mautic Developer Hub provides a great set of resources and Mautic API for marketing automation developers working with Mautic and the Mautic SDK.