This chapter presents a thoughtful exploration of dependency inversion beyond its traditional OOP context, showcasing its broader relevance in software architecture. The practical breakdown of patterns like Plugins, Hexagonal Architecture, and Microkernel makes the concept approachable and connects it to real-world applications.

The concise summary effectively distills the core message, emphasizing when to use SPIs versus adapters. This balance of depth and clarity makes it a valuable resource for architects and developers seeking to understand dependency inversion's role at a system level. Excellent work—engaging and insightful!