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The V3 approach obliterates this race condition by hooking addSourceBuffer at the MediaSource.prototype level, I intercept the creation of every SourceBuffer. The moment a buffer is created and returned, I immediately install a hooked appendBuffer directly on that specific instance; before any page code can even see the instance, let alone cache a reference to its methods. The hooked appendBuffer is installed as an own property of the instance, which takes precedence over the prototype chain. There is no window for fermaw to cache the original. The hook is always first.
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
Games App 搜索栏上移至顶部，与 App Store 设计保持一致；
shading: “smooth gradients”
palette: “soft layered hues”