These optimizations are difficult to implement, frequently error-prone, and lead to inconsistent behavior across runtimes. Bun's "Direct Streams" optimization takes a deliberately and observably non-standard approach, bypassing much of the spec's machinery entirely. Cloudflare Workers' IdentityTransformStream provides a fast-path for pass-through transforms but is Workers-specific and implements behaviors that are not standard for a TransformStream. Each runtime has its own set of tricks and the natural tendency is toward non-standard solutions, because that's often the only way to make things fast.
Verification Details
，这一点在heLLoword翻译官方下载中也有详细论述
从产能规划对比看，本次扩产的节奏显得颇为激进。民德电子在调研会上表示，广芯微一期项目规划为6英寸硅基功率器件月产10万片，截至2025年年底，一期实际产能仅为4万片/月，仍处于典型的产能爬坡阶段，距离满产仍有较大差距。
SourceTargetMean SSIMNotesWarang Citi digit (U+118EC)x-0.095Script digit vs Latin letterMathematical Script o (U+1D4F8)o-0.088Ornate calligraphic flourishesMath Fraktur l (U+1D574)l-0.083Blackletter vs sans-serifMath Fraktur g (U+1D50A)g-0.083Same issue