It is also necessary to emphasize that many optimizations are only possible in parts of the spec that are unobservable to user code. The alternative, like Bun "Direct Streams", is to intentionally diverge from the spec-defined observable behaviors. This means optimizations often feel "incomplete". They work in some scenarios but not in others, in some runtimes but not others, etc. Every such case adds to the overall unsustainable complexity of the Web streams approach which is why most runtime implementers rarely put significant effort into further improvements to their streams implementations once the conformance tests are passing.
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。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
但问题是，只盯着蒸馏看，其实有很大问题。
Nature, Published online: 25 February 2026; doi:10.1038/d41586-025-04161-7