Mehdi Salehi enhanced the OffchainLabs/arbitrum-docs repository by delivering two targeted features focused on deployment reliability and runtime compatibility for Arbitrum L3 chains. He updated the Node.js version requirement to v23, ensuring the chain operates on a supported environment and reducing future integration issues. Leveraging his expertise in DevOps, Helm, and Kubernetes, Mehdi also refined deployment documentation, clarifying relay service naming, RPC URL formatting, and sequencer priority configuration. These improvements addressed operational risks by reducing misconfigurations and streamlining developer onboarding. While no code-level bugs were fixed, his work demonstrated depth in technical writing and production readiness for blockchain deployments.