GitHub Codespaces Prebuilds and VS Code Remote Containers: Custom Feature Persistence Across Codespace Starts
The goal is to clarify whether custom devcontainer features referenced in a codespace's devcontainer.json are re-applied from the feature registry on each startup when a GitHub Codespaces prebuild is active, or whether they remain fixed to the version baked into the prebuild image. A key constraint is that prebuild availability and feature baking behavior ar