Microsoft Edge 143 web platform release notes (Dec. 2025)

[captainbrosset]

Rendered article for review:

• Microsoft Edge 143 web platform release notes (Dec. 2025)

  • /web-platform/release-notes/143.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/web-platform/release-notes/143?branch=pr-en-us-3619
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/web-platform-release-notes-143/microsoft-edge/web-platform/release-notes/143.md
  • Planned live: https://learn.microsoft.com/microsoft-edge/web-platform/release-notes/143
  • New article.

• Every RelNotes article:

  • Changed heading from "Deprecated and removed features" to "Deprecated or removed features".
    • Added lead-in sentence.
  • In sections linking to wv2 RelNotes, moved month closer to anchor link instead of article title.
    • Updated wv2 RelNotes article title to Archived.

---

Incidental files

• TOC

  • toc.yml
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  • Added 143.

• title > heading

  • /web-platform/release-notes/133.md
  • Internal preview:
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  • Before/live:
  • Changed heading from "Deprecated and removed features" to "Deprecated or removed features".
    • Added lead-in content.
  • Moved month closer to anchor link instead of article title.

• title > heading

  • /web-platform/release-notes/134.md
  • Internal preview:
  • External preview:
  • Before/live:
  • Moved month closer to anchor link instead of article title.
    • Updated article title to Archived.

• title > heading

  • /web-platform/release-notes/135.md
  • Internal preview:
  • External preview:
  • Before/live:
  • Linked to specific section of wv2 RelNotes.
  • Changed heading from "Deprecated and removed features" to "Deprecated or removed features".
    • Added lead-in content.
  • Moved month closer to anchor link instead of article title.
    • Updated article title to Archived.

• title > heading

  • /web-platform/release-notes/136.md
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  • External preview:
  • Before/live:
  • Changelist: similar to above.

• title > heading

  • /web-platform/release-notes/137.md
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• title > heading

  • /web-platform/release-notes/138.md
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  • /web-platform/release-notes/139.md
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• title > heading

  • /web-platform/release-notes/140.md
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• title > heading

  • /web-platform/release-notes/141.md
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  • /web-platform/release-notes/142.md
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  • Changelist: similar to above.

AB#59988065

[mikehoffms]

LGTM - Writer/Editor

[learn-build-service-prod]

Learn Build status updates of commit dbaf1a2:

✅ Validation status: passed

File	Status	Preview URL	Details
microsoft-edge/toc.yml	✅Succeeded	View
microsoft-edge/web-platform/release-notes/133.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/134.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/135.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/136.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/137.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/138.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/139.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/140.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/141.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/142.md	✅Succeeded	View
microsoft-edge/web-platform/release-notes/143.md	✅Succeeded	View
microsoft-edge/web-platform/site-impacting-changes.md	✅Succeeded	View

For more details, please refer to the build report.