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.

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  1. GATT Server API

    Provide a GATT Server funtionality over BLE connection (just like Android >= 4.3) so that devices that work as GATT client can be used with WindowsPhone. For now WindowsPhone 8.1 only provides GATT client.

    595 votes
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      The Bluetooth team is hard at work adding GATT Server APIs to Windows and we expect GATT Server should be in the Windows Insider Preview builds and SDK later this year. When APIs get added in to the OS and SDK, any developer can start updating their app. Once the next release of Windows is available, any app that want to use these new features will be able submit an update to the Store.

    • F# support in .Net native for UWP

      There has been some discussion on the blog post http://blogs.msdn.com/b/dotnet/archive/2015/07/30/universal-windows-apps-in-net.aspx?PageIndex=2#comments for supporting F# in the .Net native toolchain for UWP. I had posted this on the VS uservoice site https://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/7542181-add-f-support-for-net-native but it looks like that was the wrong place to do that. I hope the votes that request got will be considered for this. A lot of people are moving to F# PCLs for library code and to be able to use those PCLs in the UWP and get native compilation via .Net native tools would be great.

      779 votes
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        78 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →

        F# team just posted an update on their GitHub. https://github.com/Microsoft/visualfsharp/issues/1096

        This is still a work in progress. One key thing from that post is some of these features and fixes have already been underway for months. While we’ve been investigating F#-specific issues in .NET Native, the team has continued to improve .NET Native. One feature known as “universal shared generics” is likely to have improved .NET Native’s support for F#, even without that being an explicit goal of the feature.

      • Failing to start isolated environment

        [msft]
        Right now creating an isolated environment fails for some installers. if you see “E_STARTING_ISOLATED_ENV_FAILED” or “800705B4”, chances are it is this. If you feel it isn’t, please create a new issue.

        -----

        I was able to run the converter on build 14316 and 14352. However, on build 14383, I got this error.

        Running Installer in Isolated Environment

        [2016-07-11T20:14:52] No installer valid exit codes specified. Using defaults: 0
        [2016-07-11T20:14:52] Replace any occurence of <log_folder> in -InstallerArguments with C:\shared\logs
        [2016-07-11T20:14:52] Creating Isolated Environment
        [2016-07-11T20:14:54] Starting the Isolated Environment
        [2016-07-11T20:16:55] An error occurred running your installer in isolation
        [2016-07-11T20:16:55] Invoke-IsolatedInstall : error…

        37 votes
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          26 comments  ·  Desktop Bridge ('Centennial')  ·  Flag idea as inappropriate…  ·  Admin →
        • Bluetooth Smart non-paired GATT

          Non-paired Bluetooth LE support to GATT peripherals, similar to the RFCOMM capabilities added in Windows 10 version 1607.

          4 votes
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          • Debug over Wifi

            When you unplug a WP device from your computer while debugging, you get an error message that the device on an IP address and port is no longer responding. If the debugger connects to the phone via IP, then why not allow for debugging over the local network? That way, someone can develop for Windows Phone in a Hyper-V VM, and still debug on a physical phone, just without plugging it in. There ought to be a way to build a Debug Agent app that can broadcast itself to the network so Visual Studio knows where to look.

            101 votes
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              working on it  ·  8 comments  ·  SDK - Tools + Templates  ·  Flag idea as inappropriate…  ·  Admin →
            • Tutorial on VOIP app in UWP.

              Please write new documentation how implement VOIP app in UWP. You have only sample on GitHub, but it's not enough. You don't implement sockets, the app is useless, when I suspend/terminate it. I can simulate call only if app is running.

              3 votes
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                2 comments  ·  Dev Experience  ·  Flag idea as inappropriate…  ·  Admin →
              • Like the old dashboard I would like to see the total number of downloads and the total money earned

                Like the old dashboard I would like to see the total number of downloads and the total money earned

                2 votes
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                  working on it  ·  0 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →
                • Decouple Appium service from app process

                  Today if I want to relaunch the app, it requires killing & restarting WinAppDriver which implicitly launches the target - not only is this at odds with Appium but it creates an uncomfortable dependency between the test code and execution environment that isn't desirable in CI and other "real-world" test situations.

                  14 votes
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                    working on it  ·  1 comment  ·  UI Testing  ·  Flag idea as inappropriate…  ·  Admin →
                  • Let an app know if it's pinned

                    At the moment there's no way for an app to know if its primary live tile is visible or not. As half the point of my app is the information on the live tile, I'd like to have a polite reminder show every so often if they haven't pinned it, but I simply don't know whether they have or not.

                    17 votes
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                      3 comments  ·  Live Tiles  ·  Flag idea as inappropriate…  ·  Admin →
                    • Exclude suspending in desktop

                      Some apps can work intensively in background, for example it maybe video converting, online financial data processing and more.
                      Now UWP application will suspended when it go offscreen.

                      I offer to disable suspending in desktop/tablets for user selection (he can choose 'best performance' or 'power saving' options for example)

                      239 votes
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                        20 comments  ·  Background Processing  ·  Flag idea as inappropriate…  ·  Admin →

                        In Windows 10 Anniversary Update (Build 14393) we updated Extended Execution Unspecified Reason to be battery aware for PC device family. It is requested in the foreground and if the device is connected to AC power or if it has a battery but the user has set “Always Allowed” in the battery use settings then that app will be able to run without a time limit.

                        This works with the single process model as Extended execution does not work with a background task.

                        BackgroundMediaPlayback capability also won’t be suspended for certain scenarios.

                        We are keeping this open as there is more we can do. If you have scenarios we don’t work well in with the updated models, please tell us!

                      • The Centennial appx does not pass Windows App Certification Kit!

                        Mainly, because of errors like those:
                        ...
                        API GetOpenFileNameA in comdlg32.dll is not supported for this application type. COBATA(X)HTMLConstructor1.0Free.exe calls this API.
                        ◦API GetOpenFileNameW in comdlg32.dll is not supported for this application type. COBATA(X)HTMLConstructor1.0Free.exe calls this API.
                        ...

                        7 votes
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                          10 comments  ·  Desktop Bridge ('Centennial')  ·  Flag idea as inappropriate…  ·  Admin →
                        • Add official support for the Modern C++ projection written by Kenny Kerr

                          From http://moderncpp.com/

                          "Modern is a Standard C++ language projection for the Windows Runtime. The Modern compiler produces a header-only library designed to provide Standard C++ developers with first-class access to the Windows API.
                          It takes advantage of C++11 and beyond to provide a truly modern language projection for the Windows Runtime. So while it is still COM under the hood, a C++ developer should think in terms of references rather than pointers. Practically nothing is off limits to the developer hungry for power, but you don’t need to sacrifice productivity or safety along the way. About the only thing that…

                          67 votes
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                            2 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →
                          • Updated Portal - No longer works

                            Seems there was an update over the weekend on my machine (Fast Ring) and now I can no longer upload anything to my phone. The new interface simply doesn't work. All panels are blank.

                            4 votes
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                              2 comments  ·  Windows Device Portal  ·  Flag idea as inappropriate…  ·  Admin →
                            • Need more info for stack trace

                              Now with Win10 Dashboard the stack trace only provide a snippet of the error which is included in the error lines. However with the new dashboard this is the only information that is provided on the dashboard. It's not enough for devs :(

                              59 votes
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                                9 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →

                                Can you include in this user voice entry the specific details of what is missing? we are working on improving these reports, and the more specific information we have about issues the more we will be able to add.

                              • [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 →
                                • EnableDocumentFunction property to allow document() function for XSLT

                                  We need to display XML files, which references a stylesheet (XSL). Therefore a local XSL Transformation has to take place to show files from e.g. the LocalCache folder. One way to do this is to use the XsltProcessor. Currently, document() function is disabled. Therefore it would be nice to have an option like XsltSettings.EnableDocumentFunction Property in .NET apps.

                                  2 votes
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                                    0 comments  ·  File IO / Data Store APIs  ·  Flag idea as inappropriate…  ·  Admin →
                                  • FullTrustProcessLauncher - <desktop:Extensions> give Error C00CE014

                                    Visual StudioEnterprise 2015 Update 2
                                    Universal Windows
                                    Target: Windows 10 Insider Preview (10.0; Build 14332)

                                    I modified the Package.appmanifest like shown in msdn.microsoft.com/en-us/library/windows/apps/mt711589.aspx. Basically just copied the lines from the page into it.

                                    At compilation:
                                    In Package.appxmanifest the line <desktop:Extensions> and <rescap:Capability...> gives warnings.
                                    In AppxManifest.xml <desktop:Extensions> produces this Validation error.

                                    2 votes
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                                      working on it  ·  6 comments  ·  Desktop Bridge ('Centennial')  ·  Flag idea as inappropriate…  ·  Admin →
                                    • 313 votes
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                                        17 comments  ·  File IO / Data Store APIs  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Enable Manipulation Events for WebView.

                                        Since WebView lacks support for Manipulation Events, it acts as a huge gesture eater which doesn't let its parent controls like ScrollViewer, FlipView to take control of gesture like scroll, swipe etc.
                                        It becomes impossible to use a WebView along with other XAML Elements in the same view.
                                        Manipulation events can help a lot in these situations.

                                        3 votes
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                                          1 comment  ·  Web Browser Control APIs  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Clustering support in maps

                                          Clustering is a must have for the mapping apps.
                                          There should be a support library for having this kind of functionality.

                                          19 votes
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                                            2 comments  ·  Maps  ·  Flag idea as inappropriate…  ·  Admin →
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