From the blog
In this tutorial you will learn how to create the new block templates that were introduced in the latest WordPress version. We will go through the set up step by step. An example demo is included.
Block patterns are an incredible helpful tool to make building pages in WordPress easy. You can drag’n’drop predesigned patterns on any page. It is also possible to rearrange and customize patterns on any page or post.
You will learn what content is important to add to your about page and how you can use patterns to build a structured and interesting About page template for your website with ease. You will find an example page template to use.