Universal Windows Platform

Welcome to the Universal Windows Platform Developer Feedback site. This site provides the Windows developer community with a channel for feedback on the following topics:

  • Windows developer platform (APIs, runtimes, and controls)
  • Dev Center (dashboard, reporting/analytics, submission process, etc.)
  • Microsoft Store

Your suggestions will be reviewed by the Windows platform developer team to help with planning ideas and to better understand how developers are using the platform.

What this forum is not intended to cover or capture:

  • Windows consumer suggestions: Use the Windows Feedback Hub app built directly into Windows 10
  • Documentation on docs.microsoft.com: Sign in at the bottom of the page to give documentation feedback via Github
  • Visual Studio / .NET: Use the Visual Studio UserVoice site

If you’re new to UserVoice, two things to keep in mind are (a) List items (and item rankings) represent community interest in features, and not the actual priority list for the product team; and (b) Suggestions made using this forum will be moderated if they do not actually represent a feature request (or if too many different ideas are included in one suggestion).

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  1. Enable the Windows 10 Hyper-V Default Switch to work with Cisco AnyConnect

    The following Hyper-V networking Configuration breaks DNS name resolution on the Virtual Machine:
    1. Connecting the host to a non-corporate (remote) WiFi network.
    2. Connecting to the corporate network via Cisco AnyConnect on the host.
    3. Start a VM and connect it to the Default Switch (NAT)

    When a VM is connected to the default switch and the host is connected to the corporate network via Cisco AnyConnect, the VM looses the ability to resolve DNS addresses. The VM is able to ping both public addresses and corporate addresses; however, it is unable to resolve names on either the public…

    244 votes
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    26 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →

    We’re investigating how to best handle VPN and add more configuration around VPN.

    Please:
    1) Upvote if this is important to you. That helps us prioritize.
    2) Let us know which VPN technology you’re using/care most about.
    3) Explain what behavior you’d like to see.

  2. No user-consent prompt on first run of broadFileSystemAccess-capable UWP app

    When running an app which requires broadFileSystemAccess capabilities, no user-consent prompt appears on the first use. Instead, the app crashes with a System.UnauthorizedAccessException. Going into Settings to enable this privacy permission prevents the crash, and the app works normally. However, there is no prompt to enable this permission as described in the docs.

    14 votes
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    4 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →

    We are working on it. We are working on updating docs and adding in the prompt like other restricted items.

    A code pattern like this should be a way to catch this scenario.
    {
    StorageFolder folder = await StorageFolder.GetFolderFromPathAsync(@"C:\Foo");
    }
    catch(Exception)
    {
    // prompt user for what action they should do then launch below
    // suggestion could be a message prompt
    await Launcher.LaunchUriAsync(new Uri(“ms-settings:appsfeatures-app”));
    }

  3. AppServiceConnection task is canceled on logging off even when requested AlwaysAllowed background access

    In our Desktop Bridge app, we use an app service connection. In order to prevent the connection to close we use the AlwaysAllowed enum in BackgroundExecutionManager.RequestAccessKindAsync. This works flawlessly for over a year. Since May 2019, the App Service Connection task will be canceled when the user logs off.

    1 vote
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  4. [UWP] Layout cycle bug in slider

    I just came across the following situation which caused a layout cycle error. Basically a Grid with columns Auto, *, Auto and a slider in the middle column. Dragging the slider thumb from side to side caused the layout cycle error. Setting a fixed width for the slider solved the problem. I'm using a UHD display with 150% scaling. The slider value ranged from 0 to 1 in 0.01 steps. It only occurred for one of several sliders like this that I had.

    I previously posted a similar bug involving the scroll viewer, which was apparently fixed (I haven't tested…

    2 votes
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    3 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  5. When battery saver is on, extended execution gets revoked, even when using AlwaysAllowed

    Before requesting extended execution, I prompt the user to let the app run always in the background, using BackgroundExecutionManager.RequestAccessKindAsync with the AlwaysAllowed enum.

    Unfortunately, when the user switches on the battery saver, the extended execution gets revoked (SystemPolicy).
    Our app is in the store and really needs to keep running in the background (like a win32 app), otherwise it won't work.

    1 vote
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  6. AppBarButton with MenuFlyout Flyout is broken in the 1809 update

    I am targeting Windows 10 version 1809 and that is also my OS version. If I have an AppBarButton inside a CommandBar and set the Flyout of the AppBarButton to a MenuFlyout then it doesn't work properly - the MenuFlyout opens Ok, but it doesn't block the background and it's impossible to close it without clicking a MenuItem in the MenuFlyout (even clicking on the AppBarButton to try and close it doesn't work). This used to work fine before version 1809. Perhaps something got broken when the new CommandBarFlyout that's been added in 1809 was introduced.

    A workaround is to…

    8 votes
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    3 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  7. Windows.Globalization.Calendar.AddYears() returns incorrect results when JapaneseCalendar.

    The AddYears method can not return the correct result when the result of adding the year is included in another era.

    The Windows Calculator app does not work properly due to this bug. see screen capture-> https://twitter.com/biac/status/1125653690960900097

    repro code below (c#)

    private void JapaneseCalendarTest()
    {
    // prepare JapaneseCalendar
    Windows.Globalization.Calendar calendar
    = new Windows.Globalization.Calendar();
    calendar.ChangeCalendarSystem("JapaneseCalendar");

    // set start date to calendar: Apr. 30 2019 (平成31年4月30日)
    DateTimeOffset startDate = new DateTime(2019, 4, 30);
    calendar.SetDateTime(startDate);

    // confirm
    int start = startDate.Year * 10000 + startDate.Month * 100 + startDate.Day;
    System.Diagnostics.Debug.Assert(start == 20190430);
    // expected: 20190430
    // actual: 20190430

    // add 1 year to…

    2 votes
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  8. Autosuggestbox AutoSuggestionBoxTextChangeReason is always UserInput.

    [UWP] While following the tutorial at the Microsoft Docs on how to proper create an AutoSuggestBox, when using the SuggestionChosen event handler to change the Text property of the AutoSuggestBox, the TextChanged event is raised with the AutoSuggestionBoxBoxTextChangeReason set to UserInput, even though it was changed via code. The tutorial says it that it should raise it as ProgrammaticChange, and yet that doesn't happen.
    Currently on Windows 10 Pro Build 18309 SDK Version 10.0.17763.132 using Visual Studio 2019 Version 16.0.0 Preview 1.1.

    4 votes
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    3 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  9. Some children are not shown in stack panel

    Here's a minimal Github Repo I created to reproduce the problem.

    *******

    I have a listview whose items panel is set to StackPanel since I need to set the group style panel to a staggered panel which doesn't work well with item stack panel.

    The problem now is, out of 27 groups, only 16 groups are shown. I tested it on another list view and I confirmed that the problem is that the stack panel only displays a limited number of children (the strange thing is it's not 16 on my test but 22).

    I tried VirtualizingStackPanel but unlike StackPanel,…

    2 votes
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    3 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  10. StorageFile.GetThumbnailAsync doesn't wait for thumbnail to be generated

    Calling StorageFile.GetThumbnailAsync(ThumbnailMode.SingleItem, desiredSize) doesn't wait for the thumbnail to be generated. If there isn't one already cached, it will return an icon instead. Disposing the stream then waiting for 6 seconds then trying again correctly returns a thumbnail.

    5 votes
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    3 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  11. SetNavigationState throws System.AccessViolationException

    When I rename a XAML Page, its name can be still present in the NavigationState. This may cause that Frame.SetNavigationState will throw System.AccessViolationException which cannot be catched. In case the app is updated and the NavigationState is kept it may happen that OS is launching the app with the NavigationState from the previous version. This may cause that the app will hang during launch.

    2 votes
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  12. StorageFile.IsEqual is far too slow

    Depending on how the files are loaded, StorageFile.IsEqual can take up to 3 milliseconds to complete. When trying to match a file in a list of 1000 files, this is far too slow. As a workaround, I can use the path, but there are occasions when there is no path, such as opening a file on a phone from File Explorer and processing the NeighboringFilesQuery. Would it be possible to have a much faster implementation?

    3 votes
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  13. FeedbackHub link is broken in Windows 10 1809

    If you set project target version to 1809 and you try to use this official example for launching feedback hub:

    https://docs.microsoft.com/en-us/windows/uwp/monetize/launch-feedback-hub-from-your-app

    It will crash the app. Here is also full code example of this problem: https://1drv.ms/u/s!ArB5XyXKJ9ZWhjheAPPpeRA1rBWe

    It's very problematic because now 1809 is available almost everyone and feedback hub launch link itself is broken in 1809. I had to revert it to 1803 to get it working.

    7 votes
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    2 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  14. Disable keyboard shortcuts when a ContentDialog is open

    The point of modal dialogs is to prevent user interaction with the main page until the dialog is dismissed, right? That's why you can't use the mouse to click on controls outside the dialog. But you can still click on them using keyboard shortcuts, which I think should not be possible.

    For example, if a button that opens a dialog has a shortcut associated with it, you might accidentally open the dialog while it's already open and cause an exception.

    2 votes
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  15. NullReferenceException: NetworkAddressChanged was null.

    In an UWP application I attach an event handler to the NetworkChange.NetworkAddressChanged event of the System.Net.NetworkInformation assembly.
    As soon as I unsubscribe the eventhandler (as I am no longer using it) I get a NullReferenceException as the Event is raised without any subscriptions.
    The following exception occurred:
    "System.Net.NetworkInformation.NetworkChange.**NetworkAddressChanged** was null."
    The application crashes after this as this exception cannot be catched.

    2 votes
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  16. The iris tracking on HoloLens 2 does not work, and there is no way to do it again

    So i tracked the eyes, but it does not recognize them. And there is no way to redo it,

    1 vote
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  17. StorageLibraryChangeTracker no changes for junction folder

    If user picks a folder that is a junction then the StorageLibraryChangeTracker for that StorageFolder will never return any changes. For example a StorageItemQueryResult created from that folder will trigger ContentsChanged event when a file is modified but the change tracker returns no changes.

    1 vote
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    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  18. UWP CommandBar SecondaryCommands KeyboardAccelerators

    SecondaryCommands KeyboardAccelerators in a CommandBar only work until the SecondaryCommands menu is opened, then when closed they stop working. This has been tested in 1809.

    5 votes
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    1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  19. XBox live calls hitting RATE LIMITS throws AMBIGUOUS EXCEPTIONS

    When using the XboxLive API and you hit the rate limit. The calls return error codes with a notice of when you can call again. This is fine.

    My biggest problem is that when the API translates these limit responses, they THROW UNDOCUMENTED EXCEPTIONS.

    This is a poor programming practice. Throwing undocumented ArgumentExceptions give us little to no way to handle the exceptions. You should throw STATES as responses which we can handle, catch and debug more appropriately. Even throwing DOCUMENTED custom exceptions with detailed information inside the EventArgs would be 100x more useful as we could CATCH those things…

    1 vote
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    2 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
  20. MediaPlayer does not play on calling Play method when app is minimized

    I want to start a sound, even when the app is minimized. The play action can be initiated from an App Service (Desktop Bridge). My app has the background audio capability and uses extended execution. So the app is not suspended and keeps running in the background. But if I start a sound using MediaPlayer when the app is minimized, the sound does not play. As soon as I open the app, the sound starts. Minimizing again will not affect the sound: it keeps playing.

    2 votes
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    3 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →

    Asking a clarifying question here, your app (the UWP part) starts minimized and your service tries to play something inside the UWP app via MediaPlayer, correct?

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