Microsoft Edge Developer

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Please use the Feedback Hub (requires Windows 10) to submit your feedback in the Microsoft Edge category. This site is for web developer and designer feedback only. Other feedback will be closed without action.

“Yes, I’m a web developer or designer with feedback for the Microsoft Edge platform.”

Great! This site is where the Microsoft Edge team collects feature requests from the web developer and designer community in the categories listed to the right. For bugs on existing features, please log an issue on the Issue Tracker.

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.

For the most actionable feedback, please search and up vote for existing suggestions before submitting a new suggestion, and create a separate suggestion per idea. Note that off topic or inappropriate suggestions may be moderated. The Microsoft Edge team will use suggestions as an important input, but there are several additional factors that inform the final roadmap.

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  1. Blob support for IndexedDB

    Blobs in IndexedDB in DevTools show up as blank. They are saved just fine in Chrome. Let me save blobs in IndexedDB.

    2 votes
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      0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
    • Only Allow AppCache over HTTPS

      AppCache should be removed from insecure contexts. Since AppCache allows offline and persistent access to an origin, this can be an XSS attack vector that can be exploited

      23 votes
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        1 comment  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
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        1 vote
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          0 comments  ·  Accessibility  ·  Flag idea as inappropriate…  ·  Admin →
        • 1 vote
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            0 comments  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
          • unsupported pseudo class renders CSS useless

            unsupported pseudo class renders CSS useless
            When MS Edge does not support a pseudo class (e.g. :focus-within), it ignores other grouped selectors such as:

            #menu:focus-within, /* remove this to make it work in Edge */
            button[aria-expanded="true"] ~ #menu {
            -webkit-transform: translateX(0);
            transform: translateX(0);
            }

            Is this the correct behavior?

            Please see this demonstration:
            https://codepen.io/anon/pen/QxOorG

            1 vote
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              1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
            • Favorites Menu - website list

              The favorites menu is now 6 inches wide even though the longest entry is only 1-2 inches wide. The menu now takes up 6 inches of the screen. please allow the user to make is narrower so we can see the screen. It just looks odd, most of the area is blank.

              3 votes
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                0 comments  ·  Microsoft Edge Dev site  ·  Flag idea as inappropriate…  ·  Admin →
              • be able to right click on photo's to see properties!!!!

                Photo properties (Right Click feature) be able to right click on photo's to see properties

                1 vote
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                  0 comments  ·  Media  ·  Flag idea as inappropriate…  ·  Admin →
                • The value of window.screenTop is 0 in Microsoft EdgeHTML 17.17134, but it is non-zero before the version

                  Recently, many auto testing cases failed in Edge in one of our products.
                  We found one of the reasons is: the value of window.screenTop is 0 in the latest Edge version(Microsoft Edge 42.17134.1.0, Microsoft EdgeHTML 17.17134), but it is non-zero value in the old version.
                  How to get the old value of the window.screenTop in the latest version?

                  1 vote
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                    0 comments  ·  WebDriver  ·  Flag idea as inappropriate…  ·  Admin →
                  • Implement CSS 'overscroll-behavior'

                    Consider implementing the new CSS overscroll-behavior property.

                    ## Specification
                    This feature specification is being incubated in WICG:
                    https://wicg.github.io/overscroll-behavior/

                    Additional background on this feature may be found here:
                    https://github.com/w3c/csswg-drafts/issues/769

                    ## Summary
                    CSS overscroll-behavior standardizes a supercharged version of "-ms-scroll-chaining". It allows developers to determine the browser's behavior once a scroller has reached its full extent.
                    The unused delta can be propagated to the parent causing scroll chaining, create a glow/bounce effect without chaining, or just get consumed silently. In particular when used on viewport defining element, it controls if overscroll can be used for navigation actions such as pull-to-refresh or swipe…

                    126 votes
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                      2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                    • Support String.prototype.trimStart()/trimEnd()

                      Edge currently supports trimLeft()/trimRight() but not trimStart()/trimEnd().

                      3 votes
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                        0 comments  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
                      • manage java script, simple on or off isn't enough

                        manage java script, simple on or off isn't enough

                        In Chromium I can disable Javascript, but have the capability to enable JavaScript for specific Webpages

                        3 votes
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                          0 comments  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
                        • In the line in the top where you write the web-adress - it is invisible, until you click it. Can it become visual so I know where to click t

                          In the line in the top where you write the web-adress - it is invisible, until you click it. Can it become visual so I know where to click to start with

                          1 vote
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                            0 comments  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                          • Proxy API support for extensions

                            Proxy extensions such as SwitchyOmega needs Proxy API.
                            It's not convenient to use IE proxy settings for more than one proxy server.
                            We need proxy API. Chrome and Firefox have already support it many years ago.

                            47 votes
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                              1 comment  ·  Extensions  ·  Flag idea as inappropriate…  ·  Admin →
                            • Support Media Queries level 4 syntax improvements

                              CSS Media Quries Level 4 bring in a bunch of syntactic improvements. They make media queries much more readable and maintainable.

                              https://drafts.csswg.org/mediaqueries-4/#mq-syntax

                              Here's an example:

                              Before:

                              @media (min-width: 20em), not all and (min-height: 40em) {
                              @media not all and (pointer: none) {

                              }
                              }

                              After:

                              @media ((width >= 20em) or (height < 40em)) and (pointer) {

                              }

                              95 votes
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                                0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                              • Update documentation on U2F support in Chrome, Opera and Firefox

                                The website wrongly states that Chrome, Opera, and Firefox do not support U2F, which is wrong. In the case of Chrome, it's been implemented for several years. In fact, Edge is the only major browser that does not support this. Please update the docs to reflect this.

                                https://developer.microsoft.com/en-us/microsoft-edge/platform/status/fidou2f/

                                5 votes
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                                  0 comments  ·  Security  ·  Flag idea as inappropriate…  ·  Admin →
                                • 1 vote
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                                    0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                  • SDP Unified Plan

                                    Per spec, Firefox only supports unified plan and Chrome has now aggressively started moving towards it. Chrome has started supporting both, will move to unified plan by default soon and expects to completely drop support for Plan B by 2019.

                                    https://bugs.chromium.org/p/chromium/issues/detail?id=465349

                                    Testing: https://groups.google.com/forum/#!searchin/discuss-webrtc/unified-plan$20plan-b%7Csort:date/discuss-webrtc/x8lcqHRlWmA/2ycvCHE4AwAJ

                                    The following email provides their expected timeline: https://groups.google.com/forum/#!searchin/discuss-webrtc/unified$20plan%7Csort:date/discuss-webrtc/9mVuJ7g3vgs/0yCYoRoxBAAJ

                                    "End of April 2018: “Unified Plan” and the new APIs stabilizes. We encourage everyone to switch to UnifiedPlan semantics and the new APIs.

                                    July 2018: Default SdpSemantics changes to UnifiedPlan. APIs listed under “Removed APIs” (except CreateSender) are removed at the same time.

                                    No earlier than end of year…

                                    6 votes
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                                      0 comments  ·  Media  ·  Flag idea as inappropriate…  ·  Admin →
                                    • img decoding attribute

                                      https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-decoding

                                      > Decoding of large images can block the main thread for hundreds of milliseconds or more, interrupting fluid animations and user interaction. Currently, there's no way for a web author to specify that they want an image to be decoded asynchronously, so there are scenarios where it is impossible to avoid UI stalls.

                                      Thus the new `decoding` attribute for the `img` element, with possible values:

                                      * `sync`: Indicates a preference to decode this image synchronously for atomic presentation with other content.

                                      * async: Indicates a preference to decode this image asynchronously to avoid delaying presentation of other content.

                                      *…

                                      71 votes
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                                        1 comment  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Add an "IE Frame"-like Feature to Edge

                                        As a web developer, the fact that ~10% of my users still use IE11, and that its features are frozen in time from 2011, is a huge pain point preventing me from using many new web platform features. (Even with a progressive enhancement mindset, there are times when the IE experience has to be pretty close to the experience in other browsers. In those cases, using the new features often doesn't make sense — it would just mean implementing the same functionality two different ways.)

                                        So, this is a request to add a feature to Edge wherein:

                                        1) If this feature…

                                        3 votes
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                                          1 comment  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Style Recalculation: Show selectors + time taken in developer tools

                                          Opera Dragonfly had this and it was awesome to evaluate the impact of the css rendering and potentially optimize it
                                          https://twitter.com/kdzwinel/status/860631991758270466

                                          A similar feature request is currently being discussed for Chrome
                                          https://groups.google.com/forum/#!topic/google-chrome-developer-tools/u5faSywBmFE

                                          1 vote
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                                            0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
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