In February 2026, Andrew Wheeler enhanced the Netflix/hollow repository by implementing a CI-level Protocol Buffers toolchain within GitHub Actions. He automated the installation and configuration of the protoc compiler using Shell and YAML, ensuring that Protocol Buffers could be built and processed reliably during continuous integration. This approach improved build reproducibility and validation by provisioning the necessary toolchain automatically in the CI environment. While the work focused on a single feature and did not address bug fixes, it demonstrated a targeted application of CI/CD and DevOps practices, resulting in more robust and maintainable build workflows for the project.