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).

How can we improve the Windows dev platform?

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  1. 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.

    5 votes
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      2 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
    • Severe Bug: Crash when using StoreServicesFeedbackLauncher to lauch Feedback Hub

      Calling StoreServicesFeedbackLauncher.LaunchAsync() in a UWP app now causes an unhandled Win32 exception if the target platform is set to Windows 10 version 1809. See https://stackoverflow.com/questions/52769958/microsofts-feedback-hub-now-crashes-my-uwp-app for another report of this.

      This means that the Feedback Hub can't be used by apps targeting Windows 10 version 1809 or later.

      I have installed the Store Services SDK using the NuGet package method as described here https://docs.microsoft.com/en-gb/windows/uwp/monetize/microsoft-store-services-sdk#install-the-sdk.

      A workaround or fix would be appreciated.

      5 votes
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        1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
      • Fix Schema For Hid DeviceCapability

        Some Hid devices can not be included under DeviceCapability in the Package.appmanifest. This means that some hardware devices can not be used. The error is: 'vidpid:‭2B24‬ 0001' violates pattern constraint of 'any|vidpid:[0-9a-fA-F]{4} [0-9a-fA-F]{4}( (usb|bluetooth))?|model:[^;]{1,512};.{1,512}'

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

          1 vote
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            2 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
          • 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.

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

              1 vote
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                0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
              • UWP: Removing items from Listview shows white rows

                When the object of class inherited from ObservableCollection is used as ItemsSource of Listview, removing two items at once works incorrectly.

                Repro project: https://github.com/xamarin/Xamarin.Forms/files/2607694/UWP_listview_issue.zip

                1 vote
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                  0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                • TextBox focus bug when inside ScrollViewer

                  If I have a TextBox (which is wide enough to have a delete button) inside a ScrollViewer, then clicking near the right-hand side of the text box (where the delete button would appear it had focus) fails to focus the text box (the delete button appears after the mouse down and then somehow interferes with the focus). This does not happen if the text box is not inside a ScrollViewer.

                  1 vote
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                    0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                  • Bug: StrokeDashArray property only applied to first element on page

                    When the StrokeDashArray property is defined as a Setter in a XAML Style, it is only applied to the first element on the page to use that Style. Other elements on the page ignore the StrokeDashArray property as defined in the Style.

                    This problem also occurs if the Style is applied -- and when it's RE-applied -- in the code-behind at run-time.

                    This problem also occurs with new elements created at run-time using the Style.

                    1 vote
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                      0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                    • [UWP] RadioButton IsChecked in XAML does not work properly

                      Up until now I have always added a GroupName to RadioButton controls as a hard-coded string in XAML. However, I recently discovered that this GroupName seems to apply to the entire window, hence it can't be used inside user controls which are designed to be used more than once.

                      I then realised that specifying a GroupName is not necessary if the radio buttons are siblings within a container. However, in this case specifying IsChecked="True" in XAML does not work if you have more than one set of radio buttons within a page (inside separate containers) - it seems like all…

                      1 vote
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                        0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                      • [UWP] BitmapDecoder.Properties.GetPropertiesAsync causes app window to hang indefinitely for web and heic images

                        Calling BitmapDecoder.Properties.GetPropertiesAsync (with any argument) cases the app window to hang indefinitely if the image the decoder is decoding is a webp or hiec image. Support for these has been added in Windows version 1809, which I am using and I'm also using the corresponding SDK version. Interestingly, the lower level WIC APIs are fine, and also the BitmapEncoder can set properties fine. Please can this bug be fixed?

                        1 vote
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                          0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                        • Xbox Dev Mode Companion installed means that sometimes connected Xbox randomly boots

                          Having installed and used the app, I have found that the previously connected to Xbox boots randomly of its own accord. I have also seen this happen with a colleague's Xbox after I recommended using the app.

                          1 vote
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                            0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                          • Master-Detail with x:Bind is not working properly: Changes are lost when selecting new item in master

                            Master-Detail with x:Bind is not working properly. When you use x:Bind to bind a TextBox to a property of the SelectedItem of a ListView, this problem exists:
                            1. you change the value in the TextBox
                            2. you select a new item in the listView
                            3. Your changes from 1 are lost, because the selection in the ListView changes before the LostFocus-event of the TextBox was raised. That means the change was never written back to the original item.

                            This bug, more description and the code to reproduce it can be found in this blogpost:
                            https://www.thomasclaudiushuber.com/2016/07/16/uwp-the-master-detail-problem-with-the-events-selectionchanged-lostfocus-and-how-to-fix-it/

                            6 votes
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                              1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                            • MIDI Port enumeration returning undescriptive port names

                              Using DeviceInformation::FindAllAsync in my C++/CX application to enumerate existing MIDI ports on the system. I'm using the result of MidiOutPort::GetDeviceSelector() for the device selector string. The DeviceInformation for some of the virtual software ports on the system are returning with generic device names. A user of yMidi contacted me about this problem. He’s using loopMidi, a virtual MIDI loopback from Tobias Erichsen. http://www.tobias-erichsen.de/software/loopmidi.html

                              The problem is the output port names are enumerated by the UWP API as just MIDI and not the name of the port as defined when they were setup. Reaper and other desktop programs are displaying the…

                              6 votes
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                                5 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                              • 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.

                                5 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”));
                                  }

                                • 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…

                                  215 votes
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                                    21 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.

                                  • Frame.ContentTransitions no longer working for pages in Build 17763

                                    We have discovered a major breaking change in Windows SDK Build 17763 for UWP apps upgrading from a previous version.

                                    We have many existing apps (and a minimal repro) which achieves page transitions by setting the Frame.ContentTransitions property. I get the same result if I set this property in code and/or in XAML. For example:

                                    rootFrame.ContentTransitions = new TransitionCollection
                                    {
                                    new NavigationThemeTransition
                                    {
                                    DefaultNavigationTransitionInfo = new DrillInNavigationTransitionInfo()
                                    }
                                    };

                                    This is following the recommended guidance here:
                                    https://docs.microsoft.com/en-us/uwp/api/windows.ui.xaml.media.animation.navigationthemetransition#remarks

                                    Expected Result:
                                    When calling Frame.Navigate(typeof(AnyPage)), I should see a "drill in" transition to the new page.This is exactly what I get using previous…

                                    5 votes
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                                      1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                                    • [W10M] Shared SMTC disappear

                                      To reproduce:
                                      - Run some media player, e.g. Groove, start playback and press volume button, you will see SystemMediaTransportControls with @Title1
                                      - Run any other player or app with SMTC support, it will capture SMTC and you will see @Title2 instead of @Title1
                                      - Close second app (swipe it up to terminate)

                                      Result: on desktop SMTC will show @Title1 again, but on Windows 10 Mobile SMTC will disappear. First app will have valid instance of SMTC, it just will not be visible.

                                      3 votes
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                                        0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Pivot Memory Issue

                                        We are having some issues with the Pivot where we make a clean run of a pivot and we open some tabs, when we close them the memory stays allocated to the App. After heavy use this behaviour forces the App to crash after heavy use because the memory allocated to it keeps increasing.

                                        I have attached this sample with some images and explanation where you can see this issue.

                                        https://github.com/nikomac/PivotMemorySample/tree/master

                                        2 votes
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                                          working on it  ·  1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                                        • ALT KeyUp not generated even if handledEventsToo is specified

                                          We are supposed to get KeyUp events even if the event is handled if we hook up the callback using

                                          UIElement.AddHandler( UIElement.KeyUpEvent, new KeyEventHandler(…), true)

                                          However, this does not work correctly for the ALT key. If you press the ALT key and release it immediately then you do get the KeyUp; however if you press and hold the ALT key, then release it, you do not get the KeyUp. You do get KeyDowns.

                                          I am guessing this relates somehow to the AccessKey system -- ?

                                          I am using Microsoft.NETCore.UniversalWindowsPlatform 6.1.7 on Windows 10.0 build 17134.

                                          4 votes
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                                            1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
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