The "featured article" view has a bug in the foreach loop (html/com_content/featured/default.php) that causes the site to crash with the error ERR_TOO_MANY_REDIRECTS.
I think it is about $this->columns which is undefined.
Steps to reproduce the error:
- install the template
- set the home menu item to pointing to "Featured Articles" in all categories
- create an article and set it as featured
- visit the home page of the website
Tested on PHP Version 8.0.12