February 2026 monthly summary focused on delivering a streamlined Sei block explorer experience in the wevm/viem repository, reducing maintenance overhead and aligning branding with the Sei ecosystem. The work centers on the Seiscan migration, the decommissioning of Sei Devnet, and clean release hygiene to support ongoing reliability and user trust.

December 2025 focused on enabling Sei network support within sourcify by adding Sei Testnet support (chain ID 1328) and updating the Sei Mainnet contract with a fully verified version (chain ID 1329). Updated configuration and verification pipelines to improve reliability and developer experience. This work increases trust in contract verification for Sei deployments and accelerates readiness for testing and production deployments.

July 2025 - WeVM Viem (wevm/viem) focused on enhancing testnet tooling and batch-call efficiency. Delivered Multicall3 support for Sei Testnet by adding the Multicall3 contract address and creation block to the Sei Testnet chain definition. This enables batching multiple contract calls and reduces RPC round-trips on Sei-related workflows. Commit: 3aa882692d2c4af3f5e9cc152099e07cde28e551 (feat: add multicall3 for Sei Testnet (#3784)). Impact includes improved developer experience, faster test pipelines, and a solid foundation for future batch-operation features.

December 2024 monthly summary for sei-chain: Major improvements to node deployment and maintenance tooling to increase reliability, reduce operational toil, and accelerate node provisioning. Implemented a comprehensive overhaul of tooling with expanded configuration, a new default database backend, refined version handling, and enhanced scripts for checksum, snapshotting, and state synchronization. These changes lay groundwork for safer upgrades and faster recovery in production.