Universal Windows Platform

Welcome to the Windows Platform Developer (WPDev) Feedback site. This feedback forum provides the WPDev community with a channel for feedback on the following topics:

  • Windows developer platform (APIs, runtimes, and controls)
  • Dev Center Store (developer portal, back-end services, reporting/analytics and process)
  • Windows Stores (Windows and Windows Phone)

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

What this forum is not intended to cover or capture:

If you’re new to this whole UserVoice thing, we’d like to note two important things about this site: (a) List items (and item rankings) represent community interest in features, and does not represent an 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.

How can we improve the Windows dev platform?

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  1. Provide method to close the SIP

    Controls displaying the SIP when focused should provide a method to close the SIP to ensure data binding is applied. Currently if the user clicks the "save" button right after using the SIP, the data entered is not persisted to the object bound to the control.

    2 votes
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      0 comments  ·  Input (Mouse, Touch, Controller)  ·  Flag idea as inappropriate…  ·  Admin →
    • API To Configure Background Colour of Window

      APIs do not support the configuration of the window background colour.

      This means that if, like Groove (Music), an app uses a non-white background a noticable section of white appears when a window is dragged to a new size.

      As someone who cares about attention to detail and delivering the best possible experience this sloppiness in the API is incredibly annoying.

      2 votes
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        1 comment  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →

        We don’t think you should even see the artifact when resizing! So we agree. This is an area that is being discussed how we can improve window resizing scenarios to reduce/remove that lag even so that what you are referring to isn’t even possible to see.

      • Honor file access permission across Win32, stdio and UWP

        The UWP provides a couple of options to access files and folder:

        * Classical Win32 API i.e. _wopen, _wread, FindFirstFile, ... for reading/writing to a file handle, directory look up
        * C stdio i.e. fopen, fread, fwrite, ...
        * StorageFile, StorageFolder

        which is great. Unfortunately, access is ONLY guaranteed via StorageFile, StorageFolder. This makes it hard to port existing codes that make intensively use of the other API. Once a StorageFile or StorageFolder is allowed to be accessed by the user, it SHOULD BE accessible across all those different API. Right now, attempt to do it using Win32 or stdio…

        2 votes
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          0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
        • natural language input from Cortana to App Launch

          Currently, if Cortana launches an app, the app knows that Cortana launched it, and if the launch was via speech or text. Great stuff.
          Now, since Cortana does this already, please pass us the parsed NLP string, with identified pronouns, with grammatical breakdown. This must already be done anyway, so just give it us so that we can gain the advantage of its use without having to create the same in our apps.
          Pronoun identification alone would give us so much context, but grammatical breakdown would also assist. This would put Windows so far above the competition it isn't funny,…

          2 votes
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            0 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
          • Add reset card method to SmartCard API

            Currently SmartCard API doesn't have any method to force a reader to reset smartcard (Cold Reset or Warm Reset as described in ISO7816-3). It is important as fallback mechanism when the smart card is not responding.

            2 votes
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              0 comments  ·  Missing APIs  ·  Flag idea as inappropriate…  ·  Admin →
            • Allow Deployment or Testing With Multiple Phones Attached to One Computer

              Currently it is not possible to deploy an app to a device if you have multiple plugged in. Connecting to the device will fail. This means you must have exactly one plugged in for your deployment and testing to work.

              I would like some way so that I can have my various devices (each with different form factor) get the latest build deployed to them all or a select number of them instead of debugging simply failing. This would speed up the testing process and prevent the shuffling of phones on my desk I currently have to do.

              Basically, replace…

              2 votes
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                0 comments  ·  SDK - Tools + Templates  ·  Flag idea as inappropriate…  ·  Admin →
              • Add SystemTriggerType BatteryPercentChange

                There is SystemTriggerType PowerStateChange, but it is not triggered when percent is changed. So one of two options would be useful:
                - adding new SystemTriggerType - BatteryPercentChange
                - triggering PowerStateChange also on percent change

                It would be useful for creating more user-friendly battery related apps that provide better experience, for example, by refreshing tile or sending notification on the event, not some time after it happened.

                2 votes
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                  0 comments  ·  Missing APIs  ·  Flag idea as inappropriate…  ·  Admin →
                • PhoneCallManager

                  I would like to see an improvement on Windows.ApplicationModel.Calls.PhoneCallManager when launched the UI for call with ShowPhoneCallUI mehtod. Something like:

                  - call completed
                  - call cancelled
                  - call failed

                  and on the arguments some information like call duration

                  Thank you so much for this chance!

                  2 votes
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                    0 comments  ·  Unsorted  ·  Flag idea as inappropriate…  ·  Admin →
                  • Global Phone Events

                    Like Android we need Phone level events like (SMS received/sent event, Camera ON/OFF event, Phone turned ON/OFF event, Keypad lock event etc.) so that we can trigger our application on such events. At the moment developers do not have any control on such tasks. And its very frustrating to see other platforms like (Android and Blackberry) developers can easily do it.

                    2 votes
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                      0 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                    • make apps float out of screen, making multitasking a WYSIWYG

                      make multitasking a real thing, like seeing a video or having a mini calc when browse some thing.
                      you can limit number of apps according to the screen size.

                      2 votes
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                        0 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                      • Support full prosody tag in TTS

                        SSML is not fully supported. Add full support for the prosody tag, e.g. duration.

                        2 votes
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                          0 comments  ·  Cortana/Speech  ·  Flag idea as inappropriate…  ·  Admin →
                        • The MediaElement Seekbar make noise 'plop!' when you change the position even when the sound is muted

                          Since the 8.1, the MediaElement (Silverlight for sure, maybe RT?) seekbar make a noise 'plop!' when you change the position in a video, even when the sound of the phone is muted, and it's very unpleasant. I thought you'll corrected in the last 8.1 update but it seems you don't the existence of this bug...

                          The bug is on every Nokia Lumia I own (620/1020/1520)

                          All the best.

                          2 votes
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                            0 comments  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                          • an synchronized api for both windows and phone

                            i am currently developing a blueooth universal app for phone and windows. but the bluetooth api for phone and windows are still quite different for example, the GattCharacteristicUuids (
                            https://social.msdn.microsoft.com/Forums/windowsapps/en-US/45849dcd-d27b-49df-8705-7d419a7b08f5/static-gattcharacteristicuuids-differs-from-wp-and-windows?forum=wpdevelop#83613e3e-b475-42a1-bf6a-2f27905e933d
                            )

                            2. the xaml code and controls are quite different from windows and phone, I want the app for phone will directly running on windows, not concern about differences between controls and such, like android and ios.

                            2 votes
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                              0 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →
                            • 2 votes
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                                0 comments  ·  Unsorted  ·  Flag idea as inappropriate…  ·  Admin →
                              • 2 votes
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                                  0 comments  ·  Unsorted  ·  Flag idea as inappropriate…  ·  Admin →
                                • SkyDrive option to make folders available offline

                                  I would like to have an option for each SkyDrive folder, to make them available offline. Because not everywhere in the countryside or even in cities a good network connection is available. So those folders could be downloaded completely to the phone when a Wi-Fi is available to access them offline later.

                                  2 votes
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                                    0 comments  ·  Unsorted  ·  Flag idea as inappropriate…  ·  Admin →
                                  • App-specific launchers

                                    App-specific launchers: instead of opening a site's web page, check whether a compatible app is installed or registered. UX is much better and

                                    2 votes
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                                      1 comment  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                                    • 2 votes
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                                        0 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →
                                      • 2 votes
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                                          1 comment  ·  Unsorted  ·  Flag idea as inappropriate…  ·  Admin →
                                        • [Bug] UWP CollectionViewSource in DataTemplate in ResourceDictionary binding breaks

                                          - Take a CollectionViewSource in a DataTemplate in a ResourceDictionary
                                          - Use that DataTemplate in a page
                                          - Navigate to another instance of the same or another page also using the DataTemplate
                                          - The CollectionViewSource remains bound to the first page's collection
                                          - Navigating to other intermediate pages doesn't affect the result.

                                          See https://github.com/ehaskins/UWP-Bug-Reproduction for reproduction.

                                          2 votes
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                                            working on it  ·  1 comment  ·  XAML/Controls APIs (UWP)  ·  Flag idea as inappropriate…  ·  Admin →
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