During January 2025, Dizzy57 focused on improving code coverage reliability in the aspect-build/rules_py repository. They addressed a persistent issue in Bazel build systems where coverage reports were often empty or incomplete across multiple targets. By introducing a new _lcov_merger attribute to py_base.attrs using Starlark, Dizzy57 enabled proper combined coverage reporting, which enhanced the accuracy of coverage metrics critical for CI and release processes. This targeted bug fix streamlined the build workflow, reduced manual debugging, and minimized false negatives in continuous integration. Their work demonstrated a strong grasp of Bazel, build systems, and code coverage tooling within a complex codebase.