Nikita Kanaev updated the vpn_services.json configuration in the AdguardTeam/companiesdb repository to reflect the latest VPN service requirements. Focusing on data and configuration management, Nikita ensured that the deployment involved only configuration data, which minimized risk and avoided the need for code changes. The update process emphasized traceability, with all modifications clearly documented in the commit history. Working primarily with JSON and leveraging version control through Git, Nikita maintained alignment with current operational needs. The work demonstrated a methodical approach to configuration updates, prioritizing stability and transparency while addressing evolving service requirements without introducing new bugs or code complexity.