# Switch to unrestricted
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.
。关于这个话题，爱思助手下载最新版本提供了深入分析
提升代码可维护性和跨平台一致性，这样业务逻辑代码可以保持简洁统一，Android 和 iOS 主工程都不需要额外干预。。搜狗输入法2026对此有专业解读
3+As a consequence of recent legislative activity in [California][cal]
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