Standard Library Hardening

Louis Dionne joins Phil and Timur. Louis talks to us about his role as code owner of libc++ (clang's standard library implementation) and the standard library hardening proposal that was just accepted into C++26, why this is important, and what you can do even today.
News

• GDC 2025: How Build Insights Reduced Call of Duty: Modern Warfare II’s Build Times by 50% (developer.microsoft.com/en-us/games/articles/2…)

• C++ Core Guidelines issue to remove .h recommendation for headers (github.com/isocpp/CppCoreGuidelines/issues/2265)
• Reddit discussion (reddit.com/r/cpp/comments/1jjlpor/we_should_en…)

• “Note to the C++ standards committee members” - Bjarne Stroustrup (open-std.org/jtc1/sc22/wg21/docs/papers/2025/p…)

Links

• P3471R4 - "Standard Library Hardening" (open-std.org/jtc1/sc22/wg21/docs/papers/2025/p…)

• "Retrofitting spatial safety to hundreds of millions of lines of C++" - Google Blog (security.googleblog.com/2024/11/retrofitting-s…)