Custom Gutenberg Block ACF Pro became the solution I built when content creators needed flexible writing tools, but I did not want to get stuck writing React or overly complex JavaScript blocks. Gutenberg already provides a strong foundation, yet the default blocks often fall short for the specific content structures used on client websites. This article is a case study from my personal experience, not a generic tutorial. I will walk you through the implementation process, from the reusable block foundation and dynamic registration to custom categories, InnerBlocks examples, ACF fields, and PHP rendering. Let’s dive in. The Challenge I…