Andrew Ahlers focused on improving documentation and code clarity across the polkadot-sdk and polkadot-docs repositories. He corrected XCM versioning guidance in Rust docstrings and Markdown files, ensuring that AlwaysV4 and AlwaysV5 accurately reflect conversion to XCM versions 4 and 5, which reduced confusion for developers integrating these features. In a separate effort, Andrew removed outdated asset-transfer-api references from polkadot-docs, deleting related TypeScript and Markdown files to streamline onboarding and align with the ParaSpell and Moonbeam XCM SDKs. His work emphasized code cleanup, content management, and documentation accuracy, resulting in a more maintainable and developer-friendly codebase.