GitHub has made Codespaces available to Team and Enterprise Cloud plans, transitioning from the macOS model to this cloud-based development environment, which has significantly enhanced their development workflow. The GitHub.com codebase, historically tied to macOS, faced challenges with local development environments that were brittle and time-consuming to maintain. The shift to Codespaces allows for on-demand provisioning of development environments, drastically reducing setup time from 45 minutes to just 10 seconds using prebuilds. This transition has enabled GitHub to treat development environments as commodities, similar to industry best practices for infrastructure, ensuring they are easily replaceable while still customizable. The switch has improved productivity and allowed for greater flexibility, as engineers can quickly create new environments and collaborate more efficiently. Codespaces has also started to replace GitHub's internal review lab, streamlining the process of sharing work with colleagues. Despite initial challenges, GitHub engineers have embraced Codespaces, finding it to be a more reliable and efficient tool for development, with the company planning to further integrate Codespaces into its workflows.