Symfony Messenger: A Great Servant, But a Terrible Master (Or How Asynchrony Cost Me Half My Beard)

I am a long-time Symfony developer. I love the framework. I use it in countless projects—whether they are large corporate systems, smaller work tasks, or my own private pet projects. When the Symfony Messenger component was introduced years ago, I instantly fell in love with it and deployed it pretty much everywhere. Everything worked like a Swiss watch. At least, that’s what I thought... until recently. This article is a confession about how I spent three months solving two seemingly completely