Worked on the getsentry/sentry-javascript repository to deliver a feature enabling passthrough and merging of Vite plugin options for the Sentry Vite plugin. Developed the unstable_sentryVitePluginOptions mechanism, allowing users to supply arbitrary Vite plugin options that merge seamlessly with default configurations, thus supporting flexible and future-proof plugin customization. Added comprehensive tests to ensure correct override and merge behavior, enhancing reliability in configuration handling. The implementation was aligned with repository standards and considered broader adoption within the Vite ecosystem, including potential Astro integration. Utilized TypeScript, Node.js, and CI/CD practices to ensure robust, maintainable, and well-tested code delivery.