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[Problem/Bug]: Showstopper Win10 WebView2 stopped working

bugSomething isn't workingSomething isn't working

regressionSomething used to work but doesn't anymoreSomething used to work but doesn't anymore

Status: Open.

#5665 In MicrosoftEdge/WebView2Feedback;

· paulpalaszewski opened on Aug 5, 2026

NewWindowRequested-assigned CoreWebView2: first navigation canceled by browser (ERR_ABORTED, canceled=true) within ms, on a fresh popup, no WebResourceRequested, no window.close()

Status: Open.

#5664 In MicrosoftEdge/WebView2Feedback;

· jedicidal opened on Aug 4, 2026

[Problem/Bug]: WebAuthn / Passkey (Windows Hello) not working in WebView2 while working in Edge and Chrome

bugSomething isn't workingSomething isn't working

Status: Open.

#5663 In MicrosoftEdge/WebView2Feedback;

· mukeshkamishra-cyber opened on Aug 4, 2026

[Problem/Bug]: Power Apps App and Microsoft Teams Desktop Client (WebView2) - Possible Memory Leak

bugSomething isn't workingSomething isn't working

Status: Open.

#5662 In MicrosoftEdge/WebView2Feedback;

· cajunclay opened on Aug 3, 2026

[Problem/Bug]: Frame renderer crash (0xC0000005) when pinned Outlook add-in iframe is recreated on message switch — FRAME_RENDER_PROCESS_EXITED causes new Outlook ShutdownOnFailure (Runtime 150.0.4078.105)

bugSomething isn't workingSomething isn't working

regressionSomething used to work but doesn't anymoreSomething used to work but doesn't anymore

Status: Open.

#5660 In MicrosoftEdge/WebView2Feedback;

· ArjunSureshKumar92 opened on Jul 31, 2026

[Problem/Bug]: v150.0.4078.83 regression - CoreWebView2.DownloadStarting not triggered when DefaultDownloadFolderPath contains trailing backslash

bugSomething isn't workingSomething isn't working

regressionSomething used to work but doesn't anymoreSomething used to work but doesn't anymore

Status: Open.

#5659 In MicrosoftEdge/WebView2Feedback;

· skyrocket-media opened on Jul 30, 2026

[Problem/Bug]: WebView2 scrolling with Precision Touchpad is less responsive than Edge in WinUI/UWP

bugSomething isn't workingSomething isn't working

Status: Open.

#5658 In MicrosoftEdge/WebView2Feedback;

· yunmoxinghe opened on Jul 28, 2026

[Problem/Bug]: When i open the .exe nothing happens

bugSomething isn't workingSomething isn't working

Status: Open.

#5657 In MicrosoftEdge/WebView2Feedback;

· wezlol opened on Jul 27, 2026

<details><summary>Builds ready [dab19cc]</summary><ul><li>builds: <a href="https://output.circle-artifacts.com/output/job/e25b7135-282e-4376-afea-2f74e0edab74/artifacts/0/builds/metamask-chrome-10.18.3.zip">chrome</a>, <a href="https://output.circle-artifacts.com/output/job/e25b7135-282e-4376-afea-2f74e0edab74/artifacts/0/builds/metamask-firefox-10.18.3.zip">firefox</a>, <a href="https://output.circle-artifacts.com/output/job/e25b7135-282e-4376-afea-2f74e0edab74/artifacts/0/builds/metamask-opera-10.18.3.zip">opera</a></li>e3740a28ff3d6f9e0cdc67d17663aeed9c7822ff

Status: Open.

#5656 In MicrosoftEdge/WebView2Feedback;

· Rsed19901 opened on Jul 27, 2026

[Feature]: An easy way to manually update WebView2 version

feature requestfeature requestfeature request

Status: Open.

#5655 In MicrosoftEdge/WebView2Feedback;

· bananalemonmelon opened on Jul 24, 2026

[Problem/Bug]: WebView2CompositionControl causes UCEERR_RENDERTHREADFAILURE and process freeze/crash on monitor disconnect (.NET Framework 4.8)

bugSomething isn't workingSomething isn't working

Status: Open.

#5653 In MicrosoftEdge/WebView2Feedback;

· dipsgin opened on Jul 23, 2026

[Problem/Bug]: POSTing large files, when inetercepting resource request crashes WebView

bugSomething isn't workingSomething isn't working

Status: Open.

#5651 In MicrosoftEdge/WebView2Feedback;

· swilhelmi opened on Jul 22, 2026