wv2 RelNotes for Release SDK 151 (Aug. 2026)

[mikehoffms]

Rendered article sections for review:

• Release notes for the WebView2 SDK > Prerelease SDK 1.0.nnnn-prerelease, for Runtime 152 (Mmm. dd, yyyy)

  • /webview2/release-notes/index.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/index?branch=pr-en-us-3855#prerelease-sdk-10nnnn-prerelease-for-runtime-152-mmm-dd-yyyy
  • External preview:
  • Planned live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/#prerelease-sdk-10nnnn-prerelease-for-runtime-152-mmm-dd-yyyy
  • New section.
  • Moved the 139-equiv. 140 section to archive.

• Release notes for the WebView2 SDK > Release SDK 1.0.nnnn.nn, for Runtime 151 (Mmm. dd, yyyy)

  • /webview2/release-notes/index.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/index?branch=pr-en-us-3855#release-sdk-10nnnnnn-for-runtime-151-mmm-dd-yyyy
  • External preview:
  • Planned live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/#release-sdk-10nnnnnn-for-runtime-151-mmm-dd-yyyy
  • New section.
  • Moved the 139 section to archive.

---

Incidental files

• Archived release notes for the WebView2 SDK > Prerelease SDK 1.0.3415-prerelease, for Runtime 140 (Jul. 14, 2025)

  • /webview2/release-notes/archive.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/archive?branch=pr-en-us-3855#prerelease-sdk-103415-prerelease-for-runtime-140-jul-14-2025
  • External preview:
  • Before/live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/archive#prerelease-sdk-103415-prerelease-for-runtime-140-jul-14-2025
  • Moved the 139-equiv. 140 section to archive.
  • Moved the 139 section to archive.

• Microsoft Edge 139 web platform release notes (Aug. 2025) > WebView2

  • /web-platform/release-notes/139.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/web-platform/release-notes/139?branch=pr-en-us-3855#webview2
  • External preview:
  • Before/live: https://learn.microsoft.com/microsoft-edge/web-platform/release-notes/139#webview2
  • Pointed 139 link to archive.

AB#63096209

[learn-build-service-prod]

Learn Build status updates of commit eb69899:

💡 Validation status: suggestions

File	Status	Preview URL	Details
microsoft-edge/webview2/release-notes/index.md	💡Suggestion	View	Details
microsoft-edge/web-platform/release-notes/139.md	✅Succeeded	View
microsoft-edge/webview2/release-notes/archive.md	✅Succeeded	View

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

• Line 36, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####-prerelease' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 112, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 118, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 124, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 134, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####.##' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 188, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 194, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 200, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.

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.

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

More information about PoliCheck

Information: PoliCheck | Severity Guidance | Term
For any questions: Try searching the learn.microsoft.com contributor guides or post your question in the Learn support channel.

[learn-build-service-prod]

Learn Build status updates of commit a932a99:

💡 Validation status: suggestions

File	Status	Preview URL	Details
microsoft-edge/webview2/release-notes/index.md	💡Suggestion	View	Details
microsoft-edge/web-platform/release-notes/139.md	✅Succeeded	View
microsoft-edge/webview2/release-notes/archive.md	✅Succeeded	View

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

• Line 36, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####-prerelease' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 112, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 118, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 124, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 134, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####.##' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 188, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 194, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 200, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.

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.

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

More information about PoliCheck

Information: PoliCheck | Severity Guidance | Term
For any questions: Try searching the learn.microsoft.com contributor guides or post your question in the Learn support channel.

[learn-build-service-prod]

Learn Build status updates of commit 1218f75:

💡 Validation status: suggestions

File	Status	Preview URL	Details
microsoft-edge/webview2/release-notes/index.md	💡Suggestion	View	Details
microsoft-edge/web-platform/release-notes/139.md	✅Succeeded	View
microsoft-edge/webview2/release-notes/archive.md	✅Succeeded	View

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

• Line 36, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####-prerelease' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 112, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 118, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 124, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 134, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####.##' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 188, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 194, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 200, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.

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.

[learn-build-service-prod]

PoliCheck Scan Report

The following report lists PoliCheck issues in PR files. Before you merge the PR, you must fix all severity-1 and severity-2 issues. The AI Review Details column lists suggestions for either removing or replacing the terms. If you find a false positive result, mention it in a PR comment and include this text: #policheck-false-positive. This feedback helps reduce false positives in future scans.

✅ No issues found

More information about PoliCheck

Information: PoliCheck | Severity Guidance | Term
For any questions: Try searching the learn.microsoft.com contributor guides or post your question in the Learn support channel.

[learn-build-service-prod]

Learn Build status updates of commit d95eee6:

💡 Validation status: suggestions

File	Status	Preview URL	Details
microsoft-edge/webview2/release-notes/index.md	💡Suggestion	View	Details
microsoft-edge/web-platform/release-notes/139.md	✅Succeeded	View
microsoft-edge/webview2/release-notes/archive.md	✅Succeeded	View

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

• Line 36, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####-prerelease' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 112, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 118, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 124, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 134, Column 1: [Suggestion: other-site-link-broken - See documentation] Link 'https://www.nuget.org/packages/Microsoft.Web.WebView2/1.0.####.##' points to a page that doesn't exist. Check the path or URL and update the link.
• Line 188, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 194, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.
• Line 200, Column 21: [Suggestion: link-missing] Markdown Link source should not be empty.

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.