From YouTube uploads and VLC playback to OBS streams, media servers and AI video pipelines, countless applications rely on the open-source multimedia framework behind the scenes. That's why the release of FFmpeg 9.0 "Lei" matters beyond developers. According to the official project, FFmpeg 9.0 includes more than 2,200 commits from over 160 contributors, touching roughly 1,780 files across the codebase. ONNX Runtime is designed to accelerate machine-learning inference across CPUs, GPUs and specialized AI accelerators through a unified runtime, Microsoft explains in its official ONNX Runtime documentation, making it a common foundation for production AI workloads. Over the coming months, media players, video editors, browsers, streaming platforms and AI video tools will gradually adopt FFmpeg 9.0, bringing broader codec support, improved hardware acceleration and more efficient multimedia processing.