Microsoft Edge Developer

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Your feedback will help us with planning and to better understand how web developers and designers are using the platform. Top standards-based feature requests will also be copied over to status.microsoftedge.com, where you can track its development status.

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  1. File API support for extensions

    One great addition to Edge extensions would be the ability to write files .

    There are of course security issues related to reading or writing files to the file system, but at some point, Edge will support the Downloads API (6 out of the 20 most popular Firefox extensions rely on this API). This API (chrome.downloads) allows to write a file to the Downloads folder out of an external URL. Why not then allow an extension to generate files limited to that folder ?

    That would allow saving videos (some streaming protocols need processing so the Downloads API is not…

    4,918 votes
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      320 comments  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
    • Downloads API support for extensions

      Missing Downloads API support is not good. I wanted to port my extension but it relies on basic downloads API missing in Edge.

      6,810 votes
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        738 comments  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
      • Implement CSS `display: flow-root` (modern clearfix)

        `display: flow-root` is a modern way to force a block to be a formatting context that floated elements are contained in (aka clearfix).

        From the spec [1]:

        > The element generates a block container box, and lays out its contents using flow layout. It always establishes a new block formatting context for its contents.

        Tab Atkins and Elika Etemad (fantasai) from CSSWG consider the feature stable enough to be implemented [2].

        [1] https://drafts.csswg.org/css-display-3/#valdef-display-flow-root
        [2] https://discourse.wicg.io/t/1835/6

        1,454 votes
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          17 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
        • RTC Data Channels

          Data channels allow a web application to send and receive generic application data peer-to-peer.

          This feature request is specifically about the *data channel* component of the WebRTC specification. This is separate from Object RTC and WebRTC 1.0 feature requests because the Platform Status site breaks out data channels separately.

          RTC Data Channels:

          Platform status: https://developer.microsoft.com/en-us/microsoft-edge/platform/status/rtcdatachannels/?q=data%20channels
          Uservoice: (this ticket)

          Object RTC:

          Platform status: https://developer.microsoft.com/en-us/microsoft-edge/platform/status/webrtcobjectrtcapi/?q=Object%20RTC
          UserVoice: https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6263666-webrtc-object-rtc-api

          WebRTC 1.0:

          Platform status: https://developer.microsoft.com/en-us/microsoft-edge/platform/status/webrtcwebrtcv10api/?q=WebRTC
          UserVoice: https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6508336-webrtc-webrtc-v1-0-api

          469 votes
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            1 comment  ·  Networking  ·  Flag idea as inappropriate…  ·  Admin →
          • WebVR : Add support for Oculus Rift, OpenVR and OSVR

            WebVR is now supported by the latest version of Edge in the Creator Update and that's amazing. However, it is limited to Mixed Reality Devices and those devices and they are not available. Windows 10 users who already have a VR headset such as a Rift or a Vive, have to use a beta browser to enjoy WebVR.

            Please considere to update Edge with at least a support for the Oculus Rift and the Vive. And only if you want to be a super hero, add OSVR support too.

            136 votes
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              0 comments  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
            • Write Edge in managed code

              I know you've tried to GC the native code, but it's not enough.

              There are still UAF bugs. There are still type bugs. It's time to put an end to them once and for all. Write in managed code. We know that Microsoft can create environments that are type safe; it's time to actually use one.

              85 votes
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                0 comments  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
              • Add support for History API in Extensions

                Our browser extension, that is currently available for Firefox and Chrome, relies on History API. Without this API we cannot port our extension to Edge.
                https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/history

                63 votes
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                  2 comments  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
                • Make EdgeHtml layout engine open source

                  So we can help you improve like we do with the Chakra Engine

                  77 votes
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                    1 comment  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                  • Implement 'once' event listener option

                    The DOM Standard defines a 'once' option for addEventListener() which causes the callback to only be called once, upon the next occurrence of the given event type, after which the listener gets automatically removed:
                    https://dom.spec.whatwg.org/#dom-addeventlisteneroptions-once

                    The effect is similar to jQuery's popular $.one() method.

                    CanIUse entry: http://caniuse.com/#feat=once-event-listener
                    MDN article: https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Parameters

                    108 votes
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                      0 comments  ·  Document Object Model (DOM)  ·  Flag idea as inappropriate…  ·  Admin →
                    • Support "SameSite" cookie option

                      The "SameSite" cookie prevents CSRF attacks by telling the browser not to send the cookie in requests that originate from sites other than the one that created it.

                      Read the spec draft here:

                      https://tools.ietf.org/html/draft-west-first-party-cookies-07

                      Chrome already supports it as declared here:

                      https://www.chromestatus.com/feature/4672634709082112

                      301 votes
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                        1 comment  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
                      • 18 votes
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                          1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                        • 93 votes
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                            0 comments  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
                          • Support the HTML Media Capture API

                            Full support for the HTML Media Capture specification (W3C Candidate Recommendation 2014). This would allow simple access to the native video camera using '<input type="file" name="video" accept="video/*" capture>' on Windows Phone.

                            Specification: https://www.w3.org/TR/html-media-capture/
                            (see "example 2" in spec)

                            At the moment, the only way to do this is to create your own camera using the navigator.getUserMedia implementation, which is more complex and can differ per platform (UI and logic). The simpler input capture type already works on iOS, Android, and Blackberry providing a fully-functional native camera with requisite platform-specific look and feel.

                            PS The HTML Media Capture API should not…

                            92 votes
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                              0 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
                            • Show window size when resizing

                              This feature would show the current size of the Page (innerHeight and innerWidth) in a small label drawn in F12 as Edge is resized. The dimensions in the label would update as the Edge window is resized.

                              12 votes
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                                0 comments  ·  F12 Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                              • Allow bookmarklets

                                Internet Explorer, along with every other desktop browser, used to support bookmarklets. These lightweight, easy-to-develop scripts can run on any page and provide valuable functionality to users.

                                Edge no longer supports bookmarklets.

                                Surely this is one of the reason that some users refuse to move to Edge, and still use MSIE 11.

                                16 votes
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                                  2 comments  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                                • Ability to drag and drop images from the browser to desktop/folder

                                  Most browsers support the ability to drag and drop images from the browser to a folder on your taskbar or on your desktop. This makes it easy to quickly save images from a webpage. The closest thing Edge is able to do now, is making a shortcut to the url of the image. Which of course doesn't help.

                                  109 votes
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                                    0 comments  ·  Media  ·  Flag idea as inappropriate…  ·  Admin →
                                  • sendMessage for extensions

                                    When there are more than one extension have been loaded, the message will be send to all the extensions and the response will be chaos. Is is very essential to have the function that sending a single message to specific extension rather than to different extensions.
                                    Google Chrome can avoid by chrome.runtime.sendMessage

                                    19 votes
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                                      1 comment  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
                                    • 16 votes
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                                        0 comments  ·  Graphics  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Support TLS 1.3 with 1-RTT

                                        TLS 1.3, the next version of security protocol for private and authenticated communication, is in the final phase of specification.
                                        Cloudflare already supports it, Chrome 56 plans to support it January 2017 and Firefox in March 2017.
                                        Edge should not stay behind and support TLS 1.3 with 1-RTT as well, ideally in the upcoming Creator's Update already.

                                        93 votes
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                                          0 comments  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
                                        • #rrggbbaa and #rgba color notation support

                                          Couldn't find this anywhere here, so I'll post this feature request.

                                          I'm asking for support of the following notations:

                                          background-color: #12345678;

                                          and

                                          background-color: #1234;

                                          Spec: https://drafts.csswg.org/css-color/#hex-notation

                                          78 votes
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                                            2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
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