Windows 11 Agenda View is Back, But Built on WebView 2 with Performance Overhead
Ddos 
Windows 10 once offered a calendar agenda view within the Action Center, allowing users to add and review their schedules directly from the system interface. Yet when Microsoft released Windows 11 in 2021, the feature vanished entirely — and has remained absent ever since.
In the next version of Windows 11, however, Microsoft is finally bringing the agenda view back, largely in response to persistent user feedback. The implementation, though, is somewhat peculiar: rather than restoring it as a native system feature, Microsoft is rebuilding it using the WebView 2 Runtime.
Windows Latest conducted extensive tests on this feature in preview builds and discovered that enabling the agenda view instantly spawns multiple WebView 2 processes in Task Manager. The system appears to rely on WebView 2 to load Outlook meeting details.
At the same time, the core UI process, Windows Shell Experience Host, jumps from an idle state to consuming 6%–20% CPU (before gradually dropping). Expanding the process reveals a substantial number of embedded WebView 2 instances.
From current observations, Microsoft seems simply to be loading Outlook meeting data via WebView 2 and embedding it into the agenda panel — effectively synchronizing Windows 11’s schedule view with Outlook using this method. The drawback, however, is noticeable performance overhead.
WebView 2 is widely disliked among users: applications based on WebView 2 Runtime often feel less fluid and are unable to match the performance of truly native apps. Its advantage, however, lies in significantly lower development costs, which is why Microsoft has migrated many of its apps from native frameworks to WebView 2.
There is another incentive for Microsoft: WebView 2 makes it far easier to integrate Microsoft 365 Copilot. Microsoft has already confirmed that Copilot will be embedded directly into the agenda view within the notification center, and users will be able to join Microsoft Teams meetings right from the schedule panel.
If these integration features were developed natively, they would require far more time and slow down future iterations. Thus, Microsoft chose the WebView 2 Runtime route — and any sacrifice in performance or user experience appears to be a trade-off the company is willing to accept.
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