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delayed message timing
About this tag
The delayed message timing tag covers a proposed WebView2 API for diagnosing cross-context message delays in Windows 11. Discussions focus on using a PerformanceObserver to trace postMessage timing across windows, iframes, and workers, helping developers identify performance bottlenecks in web-driven UI surfaces. The tag is relevant for developers working with WebView2, hybrid Windows apps, and performance optimization.
Microsoft’s browser team has quietly proposed a focused, practical tool to help developers diagnose one of the trickiest performance problems in modern web apps — delayed cross-context messaging — at the same time Windows 11 continues to lean on WebView2 to deliver more web-driven UI surfaces...