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. @scope

    Scoped Styles via @scope

    @scope at-rule to apply a block of rules only within a subtree of the document. The cascade would prioritize scoped rules above unscoped ones, regardless of specificity.

    https://drafts.csswg.org/css-scoping/

    (This is similar to scoped styles in this post: https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6508310-scoped-styles -- but the newer revision of the draft uses an at-rule rather than the HTML `scoped` attribute)

    83 votes
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      3 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
    • Native messaging!

      Please implement Native messaging mechanism! Internet Banking users are used to sign their contracts via a smart card (which uses WinCrypt API). Nowadays, after deprecation of applets, there is no other way to access Windows API and use a smart card in order to make a trusted digital signature.

      153 votes
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        6 comments  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
      • 144 votes
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          7 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
        • Add support for the arithmetic coded JPEG, which saves 10% of file size losslessly

          As arithmetic coding patents for JPEG have now expired, it would be nice to support arithmetic coding in the JPEG. It will allow recompress existing JPEG files using arithmetic coding losslessly, as the result size of all JPEG files will be reduced by 10%.

          823 votes
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            1 comment  ·  Media  ·  Flag idea as inappropriate…  ·  Admin →
          • 198 votes
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              1 comment  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
            • Improve Promise implementation performance

              Edge's Promises are a lot slower than the implementations in other browsers. This causes severe problems in Promise heavy APIs.

              Here is a fiddle that demonstrates the issue: https://jsfiddle.net/jdanyow/vj6o119n/

              In Chrome this executes in 1m - 4ms.

              In Edge it takes around 3500ms

              750 votes
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                5 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
              • 166 votes
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                  0 comments  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
                • Push Microsoft Edge Webdriver with windows 10 builds

                  Since Edge driver depends on windows 10 build version, is there any chance for the Edge driver to get shipped with windows 10 builds. something like it gets shipped natively like the native calc.exe in the system32 folder...

                  This would help a lot with automating test infrastructure...

                  15 votes
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                    1 comment  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                  • Allow server detection of Integrated Windows Authentication (IWA) support

                    Allow detection (from server side) of web clients which are being managed by domain and for which we know the IWA authentication (SPNEGO, NTLM, Kerberos) is available.

                    The goal is to send IWA authentication request only to supported web clients, but NOT for web clients in which it is not handled (non domain edge, mobile and such) as sending a status code 401 + WWW-Authenticate HTTP header for those client leads to a very bad user experience with a login popup. Users with a web client without IWA support are proposed other classic authentication methods.

                    In previous IE version, such…

                    19 votes
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                      1 comment  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
                    • Allow Edge to be updated on its own

                      Microsoft isn’t updating Edge via the Store as originally promised. Edge updates seem to be held back for major new versions of Windows 10, unlike Windows 10’s other included apps, which are updated more regularly. A good example is the big Nov 2015 Windows update which is the only way to get Edge 25 with EdgeHTML 13 including the drag & drop file fix.

                      As a web developer I can safely assume Firefox and Chrome users are on the latest version (we don't support the versions pre auto-update). I can't for Edge because major Windows updates are non-trivial and not…

                      1,169 votes
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                        10 comments  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                      • Release alpha/beta/dev builds independent of Windows Insider builds

                        Currently early builds of MS Edge are tied to the Windows OS "Insider" channel which makes new features very tough to test/develop for. We ship a product to customers, and would like to have support for new Edge features available at the same time as Edge updates roll out. Currently this means we would need to run our dev and QA environments on the Windows Insiders channel, which isn't really antiquate. It would also mean we aren't running the same version of Edge that our customers are. As a result features tend to lag several weeks or even months behind.…

                        88 votes
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                          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                        • Support for text-spacing as in CSS Text Module Level 4

                          Spec URL: https://drafts.csswg.org/css-text-4/#text-spacing-property

                          > This property controls the spacing between adjacent characters on the same line within the same inline formatting context using a set of character-class-based rules.

                          This property is important for CJK typography:

                          1. It controls the spacing between CJK characters and other characters, which is required by CJK typography.

                          In the past content creators have to insert spaces manually. Such a practice often creates inconsistency across pages (not everyone is used to typing spaces between letters and characters). Moreover, due to the web page’s font fallback rule, the width of a space character is hard to control.…

                          42 votes
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                            0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                          • Support CSS Animation and Transition for SVG Properties on SVG Elements

                            Support CSS Animations and Transitions for SVG Properties on SVG Elements like:
                            stroke-dashoffset, stroke-dasharray, fill, stroke and so on.

                            Example Animation CSS that should work:

                            .svg {
                            animation:svg-animation 1.5s ease-in-out infinite;
                            }

                            @-webkit-keyframes svg-animation {
                            0% {
                            stroke-dasharray: 1, 50;
                            stroke-dashoffset: 0;
                            }
                            100% {
                            stroke-dasharray: 50, 150;
                            stroke-dashoffset: -100;
                            }
                            }

                            Currently this example is working in all browsers except in Edge.
                            I am not really sure if this is feature is SMIL, but since the animations are declared in CSS this shouldnt be really SMIL.

                            Would be nice to get some feedback.

                            Best regards,
                            Rene

                            106 votes
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                              1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                            • 453 votes
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                                2 comments  ·  Networking  ·  Flag idea as inappropriate…  ·  Admin →
                              • vector-effect

                                Support vector-effect for SVG elements. vector-effect: non-scaling-stroke would allow strokes to keep the same width as the SVG scales as a whole. https://www.w3.org/TR/SVGTiny12/painting.html#VectorEffectProperty

                                8 votes
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                                  0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                • Provide Component Object Model access to EdgeHTML

                                  COM is a great interface for all kinds of Windows apps to access Microsoft Edge. By providing COM access, Windows-based automation, including .NET (C#/VB/PowerShell etc.) and native C++, with Microsoft Edge is possible. At this time, InternetExplorer.Application object cannot be used to access EdgeHTML, so please expose COM for Windows developers!

                                  6 votes
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                                    0 comments  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Add the F12 tool to the mobile version of Edge

                                    Nowadays many of us test on the phone to, so please let us get access to f12 on mobile to. Would be so nice to inspect elements on the mobile to!!

                                    41 votes
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                                      0 comments  ·  F12 Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                    • At least allow Norton extensions

                                      Allow Norton extensions

                                      1 vote
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                                        1 comment  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
                                      • IE 11 Features for Edge

                                        Internet options in IE11 should be added to Edge. The Security in the Options features is a must.

                                        6 votes
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                                          0 comments  ·  Microsoft Edge Dev site  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Add "Disable JavaScript" option in Developer Tools

                                          To locate bugs, it would be great to be able to disable JavaScript via Developer Tools. A button in the Debugger tool bar, for instance.

                                          16 votes
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                                            0 comments  ·  F12 Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
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