Mitchell focused on improving dependency hygiene for the smartcontractkit/chainlink-evm repository by updating project dependencies using pnpm and refreshing the pnpm-lock.yaml file. Through careful dependency management and package management, Mitchell applied security patches and bug fixes across core packages, reducing the vulnerability surface and enhancing runtime performance. The work involved validating compatibility with supported environments and continuous integration pipelines, ensuring that the updated dependencies did not disrupt existing workflows. By leveraging YAML for configuration and lockfile updates, Mitchell contributed a targeted feature that aids ongoing maintenance and stability, demonstrating depth in managing package ecosystems within a complex codebase over the month.