During March 2026, Chubes4 enhanced the WordPress/gutenberg repository by developing an API fetch middleware that improves Content-Type handling in httpV1 requests. The middleware was engineered in TypeScript and designed to respect caller-provided Content-Type headers, defaulting to application/json when none is specified. This approach reduces API errors and ensures safer defaults for diverse client integrations. Chubes4 also implemented comprehensive tests to validate the new behavior across different HTTP methods, focusing on robust API development and middleware reliability. The work demonstrated depth in middleware design and testing, prioritizing interoperability and a better developer experience without addressing major bug fixes that month.