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RelNotes for WebView2 SDK 147 (Apr. 2026)#3758

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RelNotes for WebView2 SDK 147 (Apr. 2026)#3758
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@mikehoffms mikehoffms commented Mar 18, 2026 •
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AB#61461241

@mikehoffms mikehoffms added the cat: webview2 WebView-related content. label Mar 18, 2026
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mikehoffms commented Mar 25, 2026
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@mikehoffms mikehoffms marked this pull request as ready for review April 8, 2026 15:33
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mikehoffms commented Apr 9, 2026
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microsoft-edge/webview2/release-notes/index.md
`set WEBVIEW2_ADDITIONAL_BROWSER_ARGUMENTS=--enable-features=msWebView2GranularProcessFailedReason`

See also:
* [[Breaking Change] Granular Process Failure Reasons in WebView2](https://github.com/MicrosoftEdge/WebView2Announcements/issues/todo)
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@mikehoffms mikehoffms Apr 9, 2026 •
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which issue #?
https://github.com/MicrosoftEdge/WebView2Announcements/issues/

https://review.learn.microsoft.com/en-us/microsoft-edge/webview2/release-notes/?branch=pr-en-us-3758&tabs=dotnetcsharp#granular-process-failure-reasons-for-the-processfailed-event

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mikehoffms commented Apr 9, 2026
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learn-build-service-prod bot commented Apr 10, 2026

Learn Build status updates of commit 4ca339d:

💡 Validation status: suggestions

File Status Preview URL Details
microsoft-edge/webview2/release-notes/index.md 💡Suggestion View Details
microsoft-edge/web-platform/release-notes/135.md ✅Succeeded View
microsoft-edge/web-platform/release-notes/147.md ✅Succeeded View
microsoft-edge/webview2/release-notes/archive.md ✅Succeeded View
microsoft-edge/webview2/release-notes/includes/templates.md ✅Succeeded

microsoft-edge/webview2/release-notes/index.md

  • Line 121, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/dotnet/api/microsoft.web.webview2.core.corewebview2originfeature?view=webview2-dotnet-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 126, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/dotnet/api/microsoft.web.webview2.core.corewebview2originfeaturesetting.feature?view=webview2-dotnet-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 127, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/dotnet/api/microsoft.web.webview2.core.corewebview2originfeaturesetting.state?view=webview2-dotnet-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 130, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/dotnet/api/microsoft.web.webview2.core.corewebview2originfeaturestate?view=webview2-dotnet-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 136, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/dotnet/api/microsoft.web.webview2.core.corewebview2profile.geteffectivefeaturesfororiginasync?view=webview2-dotnet-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 137, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/dotnet/api/microsoft.web.webview2.core.corewebview2profile.setoriginfeatures?view=webview2-dotnet-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 142, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2originfeature?view=webview2-winrt-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 146, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2originfeaturesetting?view=webview2-winrt-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 147, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2originfeaturesetting?view=webview2-winrt-1.0.3965-prerelease&preserve-view=true#feature' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 148, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2originfeaturesetting?view=webview2-winrt-1.0.3965-prerelease&preserve-view=true#state' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 151, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2originfeaturestate?view=webview2-winrt-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 163, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentalgeteffectivefeaturesfororigincompletedhandler?view=webview2-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 166, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentaloriginfeaturesetting?view=webview2-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 167, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentaloriginfeaturesetting?view=webview2-1.0.3965-prerelease&preserve-view=true#get_feature' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 168, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentaloriginfeaturesetting?view=webview2-1.0.3965-prerelease&preserve-view=true#get_state' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 171, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentaloriginfeaturesettingcollectionview?view=webview2-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 172, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentaloriginfeaturesettingcollectionview?view=webview2-1.0.3965-prerelease&preserve-view=true#get_count' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 173, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentaloriginfeaturesettingcollectionview?view=webview2-1.0.3965-prerelease&preserve-view=true#getvalueatindex' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 176, Column 3: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentalprofile16?view=webview2-1.0.3965-prerelease&preserve-view=true' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 177, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentalprofile16?view=webview2-1.0.3965-prerelease&preserve-view=true#createoriginfeaturesetting' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 178, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentalprofile16?view=webview2-1.0.3965-prerelease&preserve-view=true#geteffectivefeaturesfororigin' points to a learn site page that doesn't exist. Check the path or URL and update the link.
  • Line 179, Column 6: [Suggestion: learn-site-link-broken - See documentation] Link '/microsoft-edge/webview2/reference/win32/icorewebview2experimentalprofile16?view=webview2-1.0.3965-prerelease&preserve-view=true#setoriginfeatures' points to a learn site page that doesn't exist. Check the path or URL and update the link.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

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