During April 2025, Xixishidibei focused on improving code clarity and maintainability across multiple repositories, including kaiachain/kaia, filecoin-project/lotus, and elys-network/elys. They enhanced test reliability and onboarding efficiency by refining documentation, correcting function names, and aligning comments with actual implementations. In filecoin-project/lotus, they refactored the TipSet.Equals method to use Go’s slices.Equal, streamlining CID comparisons for better readability. Their work in Go, GraphQL, and Rust emphasized non-functional refactoring and documentation hygiene, reducing ambiguity in APIs and tests. These targeted improvements addressed four bugs and introduced two features, demonstrating a thoughtful approach to code quality and developer experience.