GitHub is committed to enhancing the developer experience by investing in infrastructure and internal development tools, as highlighted in their new "Building GitHub" blog series. This initiative focuses on improving system reliability and technical excellence while reducing cycle times through collaborative efforts across engineering teams. By revisiting the Four Key Metrics of high-performing software delivery—deploy frequency, lead time for changes, time to restore service, and change fail rate—GitHub aims to make strategic investments in tooling that will impact these areas positively. The blog series will provide insights into specific goals, achievements, and methodologies, starting with a focus on faster Continuous Integration (CI), and aims to foster cross-team collaboration, leading to more efficient and enjoyable work processes for engineers.