The CppCast podcast recently hosted Spack creator Todd Gamblin and core developer Greg Becker. They discuss a range of topics including an overview of the exascale computing landscape, documentation generators, floating-point numbers and performance standards, a new project focusing on ABI (application binary interface) compatibility, getting the most out of heterogeneous architectures, and of course Spack. The episode runs 59:13. Show notes and related links are provided on the episode page.