April 2025 Monthly Summary for base-org/web: - Focused on documentation accuracy for Base Mainnet contract addresses to support developers and integrators. - Delivered an indispensable update to the Base Mainnet documentation, ensuring the base-contracts.mdx file reflects current deployed addresses across components. - Maintained changelog traceability by referencing CHAIN-1140 and the commit updating outdated addresses. - Strengthened developer onboarding and reduce integration friction by eliminating stale addresses in public docs.

March 2025 monthly summary for ethereum-optimism/superchain-ops focused on delivering upgrade reliability and maintaining contract state accuracy. Key efforts centered on OPCM v2.0.0 upgrade execution and validation documentation improvements, with an emphasis on business value through safer upgrades and clearer state visibility.

February 2025 monthly summary for ethereum-optimism/superchain-ops highlighting delivered features, major fixes, and impact. Key items include documentation alignment for gas target and completion of Holocene hardfork upgrade task with verifiable reference.

January 2025: Delivered the Holocene SystemConfig upgrade to v2.3.0 across Sepolia and Base networks, aligning gas mechanics with mainnet via EIP-1559 parameter updates and gas limit tuning. Implemented accompanying documentation improvements, security and validation enhancements, and cleaned up CI/task processes to reflect upgrade completion. This work reduces deployment risk, improves cross-network parity, and strengthens operational readiness for upcoming mainnet upgrades.