Howard Xie enhanced the coinbase/cdp-sdk-python repository by updating the webhook integration documentation to clarify the use of the optional network_id parameter and to specify supported networks, including Base mainnet and Base Sepolia. He focused on improving developer experience by providing clearer usage guidance and reducing integration friction, leveraging Markdown for documentation and Python for SDK context. His work demonstrated best practices in README maintenance and Git versioning, ensuring traceable and maintainable changes. While no major bugs were addressed during this period, Howard’s contribution provided depth in documentation quality, directly supporting developers integrating with the SDK and streamlining onboarding processes.