Explore the intricacies of BinaryBuilder.jl in this comprehensive JuliaCon 2020 workshop. Dive into the framework that enables compilation of binary libraries and programs for all supported Julia platforms. Learn about the motivations behind BinaryBuilder.jl and how it addresses the challenges of providing necessary binaries. Gain hands-on experience crafting build recipes using the wizard and writing custom scripts for advanced users. Submit your first pull request to Yggdrasil, the central repository for BinaryBuilder.jl scripts. Discover the future of BinaryBuilder and JLL packages, and master the process of building and deploying tarballs locally. Through presentations, demonstrations, and Q&A sessions, acquire essential knowledge about the tools and variables available in the build environment, empowering you to efficiently work with compiled languages in Julia projects.