Christopher Apple, a software engineer with a focus on real-time safety and performance in C++, chats about the Realtime Sanitizer introduced in Clang 20. He discusses its role in enhancing code safety, especially in audio applications, and the challenges of memory management. The conversation touches on how the Performance Constraints attributes help in non-blocking function reliability. Additionally, they cover the implications for real-time programming and why these advancements matter in industries like gaming and fintech.