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Microsoft wants to make “complex web apps” faster, as Windows 11 embraces WebView2

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Microsoft is focusing on improving the performance of complex web apps in Windows 11 by embracing WebView2. They are testing a new API called "Delayed Message Timing" to help developers measure where time is spent when a web app uses "postMessage()." This API aims to identify performance issues in apps like Outlook and make them faster. The initiative is not limited to WebView2 apps but includes all web apps, particularly those heavily reliant on postMessage(). The goal is to enhance the overall performance of web-based applications on Windows 11.

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