Worked on the DataDog/browser-sdk repository to enhance session management for single-page applications by introducing an in-memory session persistence feature. This addition addressed the challenge of session loss when cookies and localStorage are unavailable, providing a fallback mechanism that improves reliability in restricted or offline environments. The implementation involved TypeScript and focused on front end development, with new configuration options and comprehensive tests to ensure robustness. By enabling memory-backed sessions, the work laid the foundation for broader cross-browser adoption and improved user experience, aligning with business goals of resilience and offline-first capability. No major bugs were addressed during this period.