Hi @DP ,
You can submit bugs/feedback by using the Feedback Hub app within Windows 10 as described in the link below:
Send feedback to Microsoft with the Feedback Hub app
https://support.microsoft.com/en-us/help/4021566/windows-10-send-feedback-to-microsoft-with-feedback-hub-app
https://insider.windows.com/en-us/understand-feedback
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Best regards,
Leon