August 2025: Delivered substantial stability and network-coverage improvements across Chainlink and Chain Selectors. Executed two major Chainlink library upgrades (1.0.65 and 1.0.66) across multiple modules, delivering bug fixes, performance gains, and new features. Expanded chain selectors in the chain-selectors repo to support Codex, Monad, and TAC networks on both mainnet and testnet. All changes prepared with release-grade commits and updated generated files, enabling quicker production deployments and broader network support.

Month: 2025-07 — Concise monthly summary focusing on key accomplishments across the Chainlink and Chain Selectors repositories, with clear business value and technical impact. Overview: - Delivered two high-impact features across two repos: a CCIP dependency upgrade in Chainlink to ensure compatibility and access to latest fixes; and Plasma network integration in Chain Selectors, expanding multi-network support with new configurations and selectors. Key achievements: 1) Chainlink-CCIP dependency upgrade: Upgraded chainlink-ccip to the latest release to ensure compatibility and access to features and fixes. Commit: 8a4f3c4f6b8462813533e2b0342049e2d3e041f7 (Bump chainlink-ccip (#18473)). 2) Plasma network integration: Added Plasma mainnet and testnet configurations, including new EVM chain IDs and selectors. Commits: aa6746a338546f3d17e39f4c44f2eede46576133 (add plasma (#126)); 36b3a55e10d5cbd961a46659b38bc46cb9a4f690 (add more selectors (#127)). 3) Configuration and selectors enhancements: Registered configurations in selectors.yml and introduced chain selectors for memento-testnet and pharos-testnet as part of Plasma integration work. 4) Overall impact: Expanded cross-network support, improved deployment reliability, and accelerated onboarding for developers integrating CCIP and Plasma networks. Technical achievements include dependency management, network configuration, and selectors architecture enhancements. Technologies/skills demonstrated: - Dependency management and release engineering - Network configuration and selectors/registry management (selectors.yml) - Multi-network integration and testnet/mainnet coverage - Cross-repo collaboration and integration testing Business value: - Reduced risk of deprecated features and security vulnerabilities by keeping dependencies up-to-date - Enabled faster integration of cross-network capabilities for dApps and tooling - Improved developer experience through enhanced network coverage and clearer configuration management.

June 2025 monthly summary for smartcontractkit/chain-selectors. Delivered Private Testnet Obsidian Chain Support by adding Obsidian private testnet chain with its EVM chain ID and selector. This expands network configurations and supports private dev/test workflows. No major bugs reported this month. Impact: enhances configurability, onboarding, and testing efficiency for private networks; aligns with business goals of broader network support and faster integration. Technologies/skills demonstrated: chain configuration management, EVM compatibility considerations, and strong version-control discipline (commit reference included).

May 2025: Delivered expanded network coverage and version upgrades to chain-selectors. Key features include Janction mainnet/testnet support and Katana Tatara network support with naming updates. Upgraded Chainlink chain-selectors to the latest patch versions across modules. Impact: improved interoperability with Janction, Tatara/Katana networks, enhanced stability, reduced maintenance risk, and faster deployment readiness. Technologies: chain-selectors, selectors.yml, multi-repo coordination, version management, EVM chain configuration.

April 2025: Delivered Zero-G Testnet Galileo support in the chain-selectors repository, enabling automatic recognition and interaction with the Zero-G Testnet Galileo network by updating the chain definitions and selectors configuration. This work improves interoperability for testing and onboarding external networks, and lays groundwork for broader testnet integrations.

March 2025 achieved a significant network-expansion milestone by adding Hemi Mainnet support to the chain-selectors. The update enables recognition and interaction with the Hemi Mainnet through updated chain configuration and generated Go code, improving cross-network interoperability and readiness for onboarding additional networks. The work aligns with the roadmap for multi-network support and reduces time to integrate new networks.

January 2025 Monthly Summary for smartcontractkit/chainlink-evm focusing on delivering reliable Monad Testnet support, with enhancements to gas/transaction management and error handling.

December 2024 monthly summary for smartcontractkit/chainlink-evm: Delivered Lens Sepolia Network TOML Configuration and enhanced transaction validation error mapping. Focused on configuration management and error diagnostics to support Sepolia/Lens integrations, improving reliability and developer experience. Key deliverables include a new TOML-based Lens Sepolia config and improved error mapping to surface actionable feedback on validation failures. This work reduces debugging time and enables smoother network onboarding and expansion.