During April 2025, Will Zeller focused on stabilizing analytics accuracy and middleware correctness in the tidepool-org/blip repository. He addressed a critical issue in the Pendo analytics environment mapping, ensuring the 'int-api' subdomain was correctly identified as the 'int' environment. This fix improved the reliability of user activity logging and enhanced data integrity for analytics. Will updated the pendoMiddleware.js file, adding new environment entries to support robust analytics categorization. His work demonstrated proficiency in JavaScript, full stack development, and version control with git, delivering a targeted bug fix that contributed to more accurate product insights and decision making.