GitHub has introduced the public beta of prebuilt codespaces, designed to significantly reduce environment creation times for developers irrespective of repository size or complexity. These prebuilt codespaces serve as ready-to-use templates where necessary components like source code, editor extensions, and project dependencies are pre-installed, allowing developers to bypass initial setup times. This initiative aims to offer a seamless, one-click onboarding experience for developers, addressing variability in startup times caused by repository size and configuration complexity. Prebuilds are managed through GitHub Actions workflows, which also provide comprehensive logs for debugging. Following a successful private preview with positive feedback, GitHub is offering this feature to organizations on GitHub Enterprise Cloud and Team plans, enabling repository admins to create and manage prebuild configurations for different branches and regions. The ongoing public beta will continue to evolve based on user feedback, with the goal of streamlining the developer onboarding process.