Web streams has no synchronous path. Even if your source has data ready and your transform is a pure function, you still pay for promise creation and microtask scheduling on every operation. Promises are fantastic for cases in which waiting is actually necessary, but they aren't always necessary. The new API lets you stay in sync-land when that's what you need.
不过，因为前文提到的内部供应链博弈，这代 S26 全系依然是 12GB 内存起步，并且整体价格大概率要因此上浮 500 到 700 元人民币。
，更多细节参见51吃瓜
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Publication date: 28 February 2026
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