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Merge pull request #3631 from MicrosoftDocs/main
main to live - Nov. 7, 2025
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‎microsoft-edge/webview2/release-notes/archive.md‎

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#### Breaking changes
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###### Minimum .NET Framework version
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The minimum .NET Framework version requirement for .NET WebView2, including WPF and WinForms controls, has been updated from .NET Framework 4.5 to .NET Framework 4.6.2.
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#### Breaking changes
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> [!IMPORTANT]
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> **Breaking Change**: Navigations to `about:blank` are now cancellable via the `NavigationStarting` event. To revert to the old behavior, disable the `msWebView2CancellableAboutNavigations` feature flag.
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###### Navigations to `about:blank` cancellable via `NavigationStarting` event
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Navigations to `about:blank` are now cancellable via the `NavigationStarting` event. To revert to the old behavior, disable the `msWebView2CancellableAboutNavigations` feature flag.
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#### Breaking changes
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> [!IMPORTANT]
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> **Breaking Change**: If you're developing an unpackaged Win32 app using Fixed Version Runtime v120 or above and targeting Windows 10 devices, you need to run a couple of ACL shell commands (`icacls`), to avoid crashing, because of a new security feature implemented in WebView2. See [[Breaking Change] Unpackaged Win32 app using Fixed Version v120+ on Win10 need ACL](https://github.com/MicrosoftEdge/WebView2Announcements/issues/82). The fix is in the article _Distribute your app and the WebView2 Runtime_, section [The Fixed Version runtime distribution mode](../concepts/distribution.md#the-fixed-version-runtime-distribution-mode), step "On Windows 10 devices, starting with Fixed Version 120, developers of unpackaged Win32 applications using Fixed Version are required to run the following commands."
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###### Unpackaged Win32 app using Fixed Version 120+ on Windows 10
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If you're developing an unpackaged Win32 app using Fixed Version Runtime v120 or above and targeting Windows 10 devices, you need to run a couple of ACL shell commands (`icacls`), to avoid crashing, because of a new security feature implemented in WebView2. See [[Breaking Change] Unpackaged Win32 app using Fixed Version v120+ on Win10 need ACL](https://github.com/MicrosoftEdge/WebView2Announcements/issues/82).
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The fix is in the article _Distribute your app and the WebView2 Runtime_, section [The Fixed Version runtime distribution mode](../concepts/distribution.md#the-fixed-version-runtime-distribution-mode), step "On Windows 10 devices, starting with Fixed Version 120, developers of unpackaged Win32 applications using Fixed Version are required to run the following commands."
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#### Breaking changes
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> [!IMPORTANT]
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> **Breaking Change**: WebView2 prerelease package 1.0.781 is deprecated. Discontinue development with package 1.0.781.
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> WebView2 prerelease package 0.9.430 is deprecated, and is removed with the next release. If your WebView2 app uses the package, the WebView2 team recommends that you move to a newer package.
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###### Prerelease package 1.0.781 is deprecated
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WebView2 prerelease package 1.0.781 is deprecated. Discontinue development with package 1.0.781.
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###### Prerelease package 0.9.430 is deprecated
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WebView2 prerelease package 0.9.430 is deprecated, and is removed with the next release. If your WebView2 app uses the package, the WebView2 team recommends that you move to a newer package.
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‎microsoft-edge/webview2/release-notes/includes/templates.md‎

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For full API compatibility, this Release version of the WebView2 SDK requires WebView2 Runtime version ###.0.####.## or higher.
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#### Breaking changes
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###### heading
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#### General changes
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###### heading
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#### Promotions
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‎microsoft-edge/webview2/release-notes/index.md‎

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###### Runtime-only
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* Disabled creation of a "Speculative Renderer" process.
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* Enabled `EmbeddedBrowserBrowserProcessExitedTest` for ARM64.
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<!-- end of Nov 2025 Release SDK -->
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<!-- Nov 2025 Prerelease SDK -->
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<!-- ====================================================================== -->
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## 1.0.3650-prerelease
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Release Date: November 07, 2025
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[NuGet package for WebView2 SDK 1.0.3650-prerelease](https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.3650-prerelease)
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For full API compatibility, this Prerelease version of the WebView2 SDK requires the WebView2 Runtime that ships with Microsoft Edge version 143.0.3650.0 or higher.
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#### Breaking changes
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###### Don't start navigation until `NewWindowRequested` event completes
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Don't start WebView2 navigation until the `NewWindowRequested` event is completed, because the event blocks the parent frame's JavaScript until completion.
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This is a potentially breaking change; you might need to revise your code.
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#### Experimental APIs
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No Experimental APIs have been added in this Prerelease SDK.
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#### Promotions
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No APIs have been promoted from Phase 1: Experimental in Prerelease, to Phase 2: Stable in Prerelease, in this Prerelease SDK.
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#### Bug fixes
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This Prerelease SDK includes the following bug fixes.
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###### Runtime-only
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* Disabled creation of a "Speculative Renderer" process.
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* Fixed a **Find** dialog synchronization issue while programmatically doing a Find.
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## 1.0.3537.50

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