Elizabeth Byerly enhanced the envoyproxy/nighthawk repository by upgrading Envoy version references and improving HTTP context handling within the NighthawkServerFactoryContext and NighthawkServerInstance components. She refactored these C++ modules to ensure correct passing and utilization of httpContext, which strengthened the integration with Envoy’s HTTP features. Her work focused on aligning Bazel build dependencies with the latest Envoy release, reducing configuration drift and improving system stability. Leveraging her expertise in build systems, C++ development, and dependency management, Elizabeth delivered a targeted feature that enables more reliable traffic shaping and observability, reflecting a focused and technically sound engineering contribution.