David Ostrovsky expanded continuous integration platform coverage by adding Fedora 43 CI and build script support to the bazelbuild/continuous-integration repository. He implemented Docker configurations and updated build scripts to accommodate Java 25 and Bazel, ensuring compatibility and reliability across environments. In parallel, David enhanced the developer experience in the bazelbuild/bazel repository by updating the Bazel-dev build guide, clarifying the use of required flags for rules_cc in development builds. His work focused on build configuration, DevOps, and Python scripting, emphasizing documentation and onboarding. Over the month, David delivered two features that improved consistency and maintainability without addressing explicit bug fixes.