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Runtime 152.0.4191.53 (Aug. 28, 2026)

Release notes for Microsoft Edge WebView2 Runtime, release date: Aug. 28, 2026.

In addition to the following WebView2 Runtime improvements, you can also use the new web platform features from Microsoft Edge 152; see Microsoft Edge 152 web platform release notes (Aug. 2026).

Bug fixes

  • Fixed invisible caption button glyphs on dark Window Controls Overlay backgrounds.

  • Restricted access to a singleton host pipe in legacy WebView2 clients.

  • Removed implicit window.gc addition on WebViews.

  • Fixed the "download shortcut" announcement by screen readers.

  • Fixed the Min/Max/Close flicker issue in Windows Control Overlay.

  • Fixed honoring a custom scale factor for PDF printing.

  • Fixed the anchoring logic for the minimal-window Download popup.

  • Fixed the inability to drag a window via the top border of a custom title bar.

  • Fixed an issue that could cause WebView2 apps to crash during startup.

  • Fixed a cross-origin redirect failure when WebResourceRequested (WRR) was attached.

See also

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