Explore the evolution of C++ design patterns in this comprehensive conference talk from C++Now 2024. Delve into the comparison between legacy design trends and their modern counterparts, with a focus on object-oriented design through polymorphism and its replacement with template metaprogramming. Examine various legacy anti-patterns and their updated versions, questioning whether newer approaches truly offer improvements or simply recreate similar issues. Gain insights into finding the right balance between traditional and contemporary C++ programming techniques, and learn to critically evaluate the effectiveness of both legacy and modern design strategies in software development.