Explore essential C++ design patterns in this comprehensive conference talk from ACCU 2023. Delve into the history, benefits, and practical applications of design patterns, including generic, extended, and concurrency patterns. Learn about creational patterns like Factory and Prototype, structural patterns such as Adapters, and behavioral patterns like Observer and State Machines. Discover specialized language patterns, encryption algorithms, and multiple template techniques. Gain insights into middle-tier patterns, performance and security considerations, and the implementation of Singletons and Global Scope. Enhance your code robustness and readability by mastering these fundamental building blocks of software design, presented by experienced Modern C++ developer Chris Ryan.