Release notes as a dedicated page for each release

[mikehoffms]

todo:

• change from per-release to per-Runtime. (Option A).
• create a per-year prototype PR (Option B).
• finish updating the "Related PRs list at top of PR 61 & 62.

Related PRs:

• #3762
• Release notes as a dedicated page for each release #3761

---

Rendered articles for review:

• Release notes for Prerelease SDK 1.0.3908-prerelease, for Runtime 147 (Mar. 16, 2026)
  • /webview2/release-notes/1.0.3908-prerelease.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/1.0.3908-prerelease?branch=pr-en-us-3761
    • To render TOC, might need to F12 (DevTools) > Right-click Refresh > Empty cache and hard refresh > F12.
  • External preview:
  • Planned live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/1.0.3908-prerelease
  • Broke out page from h2 section of RelNotes.

AB#61550006

[learn-build-service-prod]

Learn Build status updates of commit c9881c6:

⚠️ Validation status: warnings

File	Status	Preview URL	Details
microsoft-edge/web-platform/release-notes/134.md	⚠️Warning	View	Details
microsoft-edge/web-platform/release-notes/145.md	⚠️Warning	View	Details
microsoft-edge/web-platform/release-notes/146.md	⚠️Warning	View	Details
microsoft-edge/webview2/concepts/overview-features-apis.md	⚠️Warning	View	Details
microsoft-edge/webview2/concepts/versioning.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3079-prerelease.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3116-prerelease.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3124.44.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3171-prerelease.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3800.47.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3848-prerelease.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3856.49.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/1.0.3908-prerelease.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/archive.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/index.md	⚠️Warning	View	Details
microsoft-edge/webview2/samples/webview2apissample.md	⚠️Warning	View	Details
microsoft-edge/webview2/release-notes/about.md	💡Suggestion	n/a (file deleted or renamed)	Details
microsoft-edge/toc.yml	✅Succeeded	View
microsoft-edge/webview2/release-notes/includes/prerelease-template.md	✅Succeeded
microsoft-edge/webview2/release-notes/includes/release-template.md	✅Succeeded

microsoft-edge/web-platform/release-notes/134.md

• Line 55, Column 5: [Warning: bookmark-not-found - See documentation] Cannot find bookmark '#release-sdk-10312444-for-runtime-134-mar-10-2025' in 'webview2/release-notes/archive.md'.

microsoft-edge/web-platform/release-notes/145.md

• Line 74, Column 5: [Warning: bookmark-not-found - See documentation] Cannot find bookmark '#release-sdk-10380047-for-runtime-145-feb-16-2026' in 'webview2/release-notes/index.md'.

microsoft-edge/web-platform/release-notes/146.md

• Line 67, Column 5: [Warning: bookmark-not-found - See documentation] Cannot find bookmark '#release-sdk-10385649-for-runtime-146-mar-16-2026' in 'webview2/release-notes/index.md'.

microsoft-edge/webview2/concepts/overview-features-apis.md

• Line 2674, Column 3: [Warning: bookmark-not-found - See documentation] Cannot find bookmark '#track-navigation-history-for-nested-iframes-framecreatedevent-api' in 'webview2/release-notes/archive.md'.
• Line 3030, Column 3: [Warning: bookmark-not-found - See documentation] Cannot find bookmark '#set-default-background-color-on-webview2-initialization-defaultbackgroundcolor-api' in 'webview2/release-notes/archive.md'.

microsoft-edge/webview2/concepts/versioning.md

• Line 41, Column 3: [Warning: file-not-found - See documentation] Invalid file link: '../release-notes/about.md'.
• Line 216, Column 3: [Warning: file-not-found - See documentation] Invalid file link: '../release-notes/about.md'.

microsoft-edge/webview2/release-notes/1.0.3079-prerelease.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 9, Column 10: [Warning: ms-date-invalid - See documentation] Invalid date format for 'ms.date': 'mm/dd/2026'. If specified, must be a date in format M/D/YYYY, no more than 30 days from today. If you don't specify ms.date, the date will be updated automatically.
• Line 287, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

microsoft-edge/webview2/release-notes/1.0.3116-prerelease.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 9, Column 10: [Warning: ms-date-invalid - See documentation] Invalid date format for 'ms.date': 'mm/dd/2026'. If specified, must be a date in format M/D/YYYY, no more than 30 days from today. If you don't specify ms.date, the date will be updated automatically.
• Line 68, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

microsoft-edge/webview2/release-notes/1.0.3124.44.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 9, Column 10: [Warning: ms-date-invalid - See documentation] Invalid date format for 'ms.date': 'mm/dd/2026'. If specified, must be a date in format M/D/YYYY, no more than 30 days from today. If you don't specify ms.date, the date will be updated automatically.
• Line 43, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

microsoft-edge/webview2/release-notes/1.0.3171-prerelease.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 9, Column 10: [Warning: ms-date-invalid - See documentation] Invalid date format for 'ms.date': 'mm/dd/2026'. If specified, must be a date in format M/D/YYYY, no more than 30 days from today. If you don't specify ms.date, the date will be updated automatically.
• Line 64, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

microsoft-edge/webview2/release-notes/1.0.3800.47.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 47, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

microsoft-edge/webview2/release-notes/1.0.3848-prerelease.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 200, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

microsoft-edge/webview2/release-notes/1.0.3856.49.md

• Line 0, Column 0: [Warning: filename-invalid-character - See documentation] Only lowercase letters, numbers, and hyphens are allowed in filenames.
• Line 43, Column 3: [Warning: file-not-found - See documentation] Invalid file link: './about.md'.

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