Steps to reproduce
Just open the demo and click on the button "A", which opens a modal dialog with the same link. Click on the “A” button in the dialog to open an additional dialog… by opening 5-8 dialogs the behaviour should occur: Resizing is very juddery and closing a window will freeze the application for some seconds.
Open several dialogs without problems. (This was and is the behavior without KB2962872)
Without KB2962872 installed you can open nearly hundreds of windows without any problem.
Dev Channel specific:
Comments and activity
- Microsoft Edge Team
Changed Assigned To to “Kamen M.”
Changed Assigned To from “Kamen M.” to “IE F.”