wv2 RelNotes for Preview Runtime 153 & Runtime 152

[Michael Hoffman (mikehoffms)]

Rendered pages for review:

• Preview Runtime 153.n.nnnn.nn (Mmm. dd, yyyy)

  • /webview2/release-notes/runtime/153.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/runtime/153?branch=pr-en-us-3899
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/webview2/release-notes/runtime/153.md
  • Planned live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/runtime/153
  • New page, based on runtime-preview-template.md.

• Runtime 152.n.nnnn.nn (Mmm. dd, yyyy)

  • /webview2/release-notes/runtime/152.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/runtime/152?branch=pr-en-us-3899
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/webview2/release-notes/runtime/152.md
  • Before/live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/runtime/152
  • Changed title from:
    Preview Runtime 152.0.4181.0 (Aug. 3, 2026)
    to:
    Runtime 152.n.nnnn.nn (Mmm. dd, yyyy)
  • Reworded from "early testing" to standard format for a stable Runtime page, per runtime-template.md.

---

Incidental files

• Release notes for the WebView2 Runtime

  • /webview2/release-notes/runtime/index.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/runtime/index?branch=pr-en-us-3899
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/webview2/release-notes/runtime/index.md
  • Before/live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/runtime/
  • Added 153.md link.
  • Removed 143.md link.
  • Linked to minimum-runtime page.
  • Removed API Ref links.

• Release notes for WebView2 > See also

  • /webview2/release-notes/index.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/index?branch=pr-en-us-3899#see-also
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/webview2/release-notes/index.md
  • Before/live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/#see-also
  • Deleted API Ref links.

• Release notes for WebView2 SDKs

  • /webview2/release-notes/sdk/index.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/sdk/index?branch=pr-en-us-3899
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/webview2/release-notes/sdk/index.md
  • Before/live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/sdk/
  • Linked to minimum-runtime page.
  • Trimmed API Ref links.

• Microsoft Edge 152 web platform release notes (Aug. 2026)

  • /web-platform/release-notes/152.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/web-platform/release-notes/152?branch=pr-en-us-3899
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/web-platform/release-notes/152.md
  • Before/live: https://learn.microsoft.com/microsoft-edge/web-platform/release-notes/152
  • Changed link text from:
    Preview Runtime 152.0.4181.0 (Aug. 3, 2026)
    to:
    Runtime 152.n.nnnn.nn (Mmm. dd, yyyy)

• SDK 1.0.4181-prerelease, for Runtime 152 (Aug. 3, 2026)

  • /webview2/release-notes/sdk/1-0-4181-prerelease.md
  • Internal preview: https://review.learn.microsoft.com/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease?branch=pr-en-us-3899
  • External preview: https://github.com/MicrosoftDocs/edge-developer/blob/user/mikehoffms/wv2-relnotes-152/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease.md
  • Before/live: https://learn.microsoft.com/microsoft-edge/webview2/release-notes/sdk/1-0-4181-prerelease
  • Changed link text from:
    Preview Runtime 152.0.4181.0 (Aug. 3, 2026)
    to:
    Runtime 152.n.nnnn.nn (Mmm. dd, yyyy)

• TOC

  • toc.yml
  • Added 153.md entry:
    Preview Runtime 153.0.nnnn.nn (Mmm. dd, yyyy)
  • Changed 152.md title from:
    Preview Runtime 152.0.4181.0 (Aug. 3, 2026)
    to:
    Runtime 152.n.nnnn.nn (Mmm. dd, yyyy)
  • Archived 143.md.

• /scripts/beta-release-notes-template.njk

  • Cleaned up comment output re: future links to specific wv2 relnotes pages.
  • The script generates web-platform relnotes .md files like:
    https://learn.microsoft.com/microsoft-edge/web-platform/release-notes/152

• Global changes

  • Corrections
    • Fixed yaml ms.date: value in all wv2 Runtime relnotes pages & wv2 SDK relnotes pages.
  • Source file cleanup, globally in repo
    • Trimmed trailing spaces.
    • Removed unneeded quotes from yaml description: field.
    • Simplified & standardized table columns tagging.
      • Standardized table row tagging.
        • Added missing vertical bars.
        • Added missing periods.
        • Added missing backticks on code elements/ keywords.

AB#63474726

[learn-build-service-prod]

Learn Build status updates of commit 5ba8fa5:

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