Worked on the laravel/framework repository to enhance the reliability of the RateLimiter component by addressing a dynamic key collision issue. Focused on backend development using PHP and the Laravel Framework, the work involved implementing a fix that applies a prefix to dynamic keys when no explicit key is provided, preventing collisions across different rate limiters. This solution improved the accuracy and predictability of rate limiting, reducing the risk of incorrect data affecting downstream metrics. Additionally, expanded unit test coverage by adding regression tests to ensure the fix remains robust, reinforcing the stability and security of rate limiting in the 11.x branch.