Rob and Jason are joined by Corentin Jabot. They first talk about a Visual Studio blog post on performance improvements in the 'inner build loop', and a ray tracer built into CMake. Then they talk to Corentin about his work in the C++ ISO committee on the Library Evolution Working Group and his thoughts on what could and should make it into C++23.   News f(t) Faster C++ Iteration Builds Ray Tracing in pure Cmake Is Zero a Butterfly? Links What is the standard Library P2172 - What do we want from a modularized Standard Library? Sponsors PVS-Studio. Write #cppcast in the message field on the download page and get one month license PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents Why it is important to apply static analysis for open libraries that you add to your project Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount