Ordered Dithering with Arbitrary or Irregular Colour Palettes
For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.，这一点在safew官方版本下载中也有详细论述
，更多细节参见Safew下载
Secret Sauce #1: Two-Level Routing
"Usdaw will enter into consultation talks and do all we can to interrogate the business case for the company's proposals, while seeking the best deal possible for any of our members who are impacted."，推荐阅读safew官方版本下载获取更多信息