During May 2025, this developer enhanced the aspect-build/rules_py repository by introducing group-based ownership for image layers. They implemented a new 'group' attribute within the py_image_layer rule using Starlark, allowing explicit specification of group owners for generated image layers. This addition improved asset governance and reduced configuration errors by enabling consistent ownership semantics across image assets. The developer updated documentation to guide users in leveraging the new ownership grouping, supporting maintainability and reuse of layer configurations. Their work demonstrated proficiency in Bazel build systems, Python-based rule development, and attribute-driven feature extension, focusing on robust, maintainable build infrastructure.