Issues

• [Problem/Bug]: WebResourceRequested is not raised for subresources of a cross-origin iframe in a NewWindow WebView2

  bug
  MicrosoftEdge/WebView2Feedback#5787 · Filter by author m-w-marker opened on Oct 29, 2026

• A host that enables the built-in password manager cannot list, delete or import saved passwords — profile-level API requested

  MicrosoftEdge/WebView2Feedback#5786 · Filter by author birdnamoo opened on Oct 28, 2026

• Cancelling a script-initiated navigation in NavigationStarting commits chrome-error://chromewebdata/ instead of leaving the page intact

  MicrosoftEdge/WebView2Feedback#5785 · Filter by author birdnamoo opened on Oct 28, 2026

• ExecuteScript and CallDevToolsProtocolMethod never complete when the result contains an unpaired UTF-16 surrogate

  MicrosoftEdge/WebView2Feedback#5784 · Filter by author birdnamoo opened on Oct 28, 2026

• [Problem/Bug]:

  bug
  MicrosoftEdge/WebView2Feedback#5783 · Filter by author younessbouzidi673-svg opened on Oct 28, 2026

• [Problem/Bug]: WebView2 Runtime 156.x prevents New Outlook attachments from opening, Fixed Runtime 155.0.4283.62 works

  bugregression
  MicrosoftEdge/WebView2Feedback#5782 · Filter by author johnandersson80-debug opened on Oct 27, 2026
  5

  

• [Problem/Bug]: Webview2 Origin header is dropped after a same-origin redirect since the Oct 16 minor release

  bugregression
  MicrosoftEdge/WebView2Feedback#5781 · Filter by author bchen-hs-eng opened on Oct 26, 2026
  

• [Problem/Bug]: ExecuteScript memory leak

  bug
  MicrosoftEdge/WebView2Feedback#5780 · Filter by author Legend-Master opened on Oct 26, 2026

• [Problem/Bug]:

  bug
  MicrosoftEdge/WebView2Feedback#5779 · Filter by author rlsr4567-png opened on Oct 25, 2026

• [Problem/Bug]: [Windows 11 Build 26200] WebView2 & Chromium GPU / AudioService processes crash in loop with STATUS_BREAKPOINT (- 2147483645 / 0x80000003) unless sandbox is disabled (Chromium Issue #577213782)

  bug
  MicrosoftEdge/WebView2Feedback#5777 · Filter by author TheGatoSamurai opened on Oct 24, 2026
  2

• [Problem/Bug]: GetFaviconAsync insists on downsampling images to 16x16

  bug
  MicrosoftEdge/WebView2Feedback#5775 · Filter by author darinf opened on Oct 23, 2026

• [Problem/Bug]: [WPF] WebView2CompositionControl crashes or hangs on monitor disconnect with per-monitor DPI awareness (SDK 1.0.4314.35)

  bugtracked
  MicrosoftEdge/WebView2Feedback#5774 · Filter by author tp1415926535 opened on Oct 23, 2026
  1

• [Problem/Bug]: Page cursor is replaced by the system arrow while any (hidden) iframe in the page is loading

  bugtracked
  MicrosoftEdge/WebView2Feedback#5771 · Filter by author zlzlelzl opened on Oct 22, 2026

• [Problem/Bug]: Office sets WEBVIEW2_ADDITIONAL_BROWSER_ARGUMENTS (--enable-features=msAbydosForWindowlessWV2) inside its own processes at runtime, causing 0x8007139F for other WebView2 add-ins

  bug
  MicrosoftEdge/WebView2Feedback#5770 · Filter by author AdamKozicki-BM opened on Oct 21, 2026

• [Problem/Bug]: ClearBrowsingDataAll never completes on the ARM64 runtime (Check failed: base::Time() != delete_end)

  MicrosoftEdge/WebView2Feedback#5769 · Filter by author lang315 opened on Oct 20, 2026

• [Problem/Bug]: Windows 11 BSOD (0x1E) in win32kbase.sys while msedgewebview2.exe is executing

  bluescreenbug
  MicrosoftEdge/WebView2Feedback#5768 · Filter by author AuthCcooper opened on Oct 20, 2026
  1

  

• [Problem/Bug]: WebResourceRequested is not fired for a nested cross-origin iframe's subresources

  bugtracked
  MicrosoftEdge/WebView2Feedback#5765 · Filter by author taratari opened on Oct 17, 2026

• [Problem/Bug]: Service worker with static routing (addRoutes) stuck in STARTING when the WebView has any WebResourceRequested filter

  tracked
  MicrosoftEdge/WebView2Feedback#5764 · Filter by author dogannyildizz opened on Oct 16, 2026

• [Problem/Bug]: Deadlock when the getDisplayMedia window picker closes: thumbnail capture of the host app's windows waits on the browser UI thread (WindowCapturerWinGdi::CaptureFrame)

  bugtracked
  MicrosoftEdge/WebView2Feedback#5763 · Filter by author ahmedwasim1070 opened on Oct 16, 2026

• [Problem/Bug]: JavaScript Date reports UTC-07:00 while Windows local time is UTC-06:00 for Alberta timezone

  bug
  MicrosoftEdge/WebView2Feedback#5762 · Filter by author laiyierjiangsu opened on Oct 16, 2026

• [Problem/Bug]: WebView2 contacts Microsoft sign-in endpoints at startup with SSO disabled

  bug
  MicrosoftEdge/WebView2Feedback#5760 · Filter by author briankhuu88 opened on Oct 15, 2026

• [Problem/Bug]: WebRTC video falls back to software decoding: hybrid decoder loses its supported configs on re-Initialize

  tracked
  MicrosoftEdge/WebView2Feedback#5755 · Filter by author busy10 opened on Oct 11, 2026
  2

• [Problem/Bug]: WebView2 in new Teams calls SHChangeNotify(SHCNE_ASSOCCHANGED) for *.pdf every ~500 ms, desktop icons flicker

  MicrosoftEdge/WebView2Feedback#5753 · Filter by author KorbiGit opened on Oct 8, 2026
  2

• [Problem/Bug]: Default background is opaque and theme-derived on Runtime 154 despite DefaultBackgroundColor alpha=0 (transparent windows show solid background)

  MicrosoftEdge/WebView2Feedback#5752 · Filter by author shangchuanqiytu-ui opened on Oct 8, 2026

• [Problem/Bug]: Documentation should call out WebView2CompositionControl isn't supported on Server 2019

  bug
  MicrosoftEdge/WebView2Feedback#5749 · Filter by author Jamie0 opened on Oct 5, 2026
  1