LH Related Posts by Taxonomy shows up to three related posts at the end of each post and page, chosen by how many categories, tags and other terms they share with the post being read. Each related post is shown with its image, title and excerpt.
It works with both kinds of WordPress theme. In block themes it is a Related Posts block that WordPress places after the post content in single post and page templates automatically, so there is nothing to set up, and site owners can move or remove it in the Site Editor. In classic themes the list is added after the post content.