During July 2025, this developer contributed to the symfony/symfony repository by implementing a new KernelBrowser API focused on enhancing testability and session management within the FrameworkBundle. The work centered on adding direct session access through KernelBrowser::getSession() and improving the login() method to persist sessions across requests, thereby enabling more reliable browser tests and programmatic session control. Utilizing PHP, Symfony Framework, and test-driven development practices, the developer addressed the need for stable session handling in automated tests. No bugs were fixed during this period, but the feature delivered measurable improvements in CI feedback speed and session-related test coverage.