Nicolas Carlo, author of Legacy Code First Aid Kit, talks about the challenges of dealing with legacy code and shares useful tools and techniques from his book. They discuss the importance of refactoring, naming, and behavioral analysis in improving legacy code. They also explore the Macado method for addressing large tasks and discuss the potential of AI in legacy code improvement.

Nicolas Carlo, Senior Tech Lead at BusBud, discusses the benefits of using feature toggling/flags, the importance of documentation and knowledge sharing in deploying software, and strategies for managing technical debt including sustainability weeks and upgrading dependencies. They also explore the challenges of managing dependencies and the considerations of rewriting vs refactoring existing software projects.