MicrosoftEdge / MicrosoftEdge/WebView2Feedback

[Problem/Bug]: Web pages load very slowly with the latest version of the webview2 runtime

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#4,256 5 comments 0 reactions 2 assignees View on GitHub

@vbryh-msft is already working on this.

Since Dec 22, 2023.

bug regression tracked
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Description

What happened?

Web pages started taking a long time to load after updating to the webview2 runtime from version 120.0.221.61 to 120.0.2210.77 and 120.0.2210.89.
webview2_61_no_issue
webview2_89_issue

Importance

Moderate. My app's user experience is affected, but still usable.

Runtime Channel

Stable release (WebView2 Runtime)

Runtime Version

120.0.2210.89, 120.0.2210.77

SDK Version

1.0.1418.22 and 1.0.2210.55

Framework

Winforms

Operating System

Windows Server

OS Version

Windows Server 2019 Version 1809 Build 17763.5122

Repro steps

I can reproduce it on Windows Server 2019 only from my app and WebView2WindowsFormsBrowser demo app.

Repros in Edge Browser

No

Regression

Regression in newer Runtime

Last working version (if regression)

120.0.2210.61

AB#48257891

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  4. Open a pull request that references the issue number.

Assessment

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