In March 2025, Ahmed Hageali enhanced the folly::coro::merge functionality within the facebook/folly repository, focusing on asynchronous programming and advanced C++ features. He expanded the input type support to accept both AsyncGenerator<AsyncGenerator<Type>> and AsyncGenerator<AsyncGenerator<Type>&&>, improving interoperability with components such as AsyncPipe. This work leveraged the C++ Standard Library, coroutines, and established software design patterns to enable more flexible composition of asynchronous data streams. Although the contribution was limited to a single feature over one month, it demonstrated a deep understanding of coroutine-based architectures and addressed a nuanced interoperability challenge in high-performance C++ systems.