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  1. Support CSS hyphens property

    The `hyphens` CSS property allows the author to request automatic hyphenation, or to manually insert soft hyphens to explicitly indicate hyphenation opportunities, or to turn off hyphenation. https://developer.mozilla.org/en-US/docs/Web/CSS/hyphens

    As of EdgeHTML 16, the ePub viewer inserts automatic hyphens, but with no control (resulting in hyphens where there shouldn't be, like in code). The normal web view uses soft hyphens for manual hyphenation (the default CSS behavior), but does not have automatic hyphenation support. The `hyphens` property is not recognized at all.

    16 votes
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      0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
    • 1,412 votes
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        34 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
      • Unprefix and update -ms-text-combine-horizontal property

        Now text-combine-horizontal renames text-combine-upright.

        -ms-text-combine-horizontal property
        https://msdn.microsoft.com/en-us/library/dn337005%28v=vs.85%29.aspx

        9.1. Horizontal-in-Vertical Composition: the text-combine-upright property
        https://drafts.csswg.org/css-writing-modes/#text-combine-upright

        24 votes
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          0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
        • background-clip: text

          webkit currently supports the property background-clip: text that can be used to create awesome text filled in using background images, gradients, ect. Its an incredible feature with so many possibilities and I'd like to see supported in other browsers.

          3 votes
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            0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
          • Support pseudo elements for <option>

            Please add support for pseudo elements :before and :after for <option> tag in <select>. It works pretty well in all other browsers.
            Here is an example for it:
            http://jsfiddle.net/skusL38w/

            39 votes
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              0 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
            • Add CSS transforms on SVG elements

              I created a CSS-based grid system for my SVG sprite sheet using transforms, only to revert to transform attributes after it collapsed in IE9+.
              Please add support for CSS transformation in SVG.

              3,645 votes
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                27 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
              • Update CSS Grid

                Update the IE implementation of Grid Layout to match the current spec. The current implementation from the IE 10 days is outdated.

                8,726 votes
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                  258 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                • vmax unit

                  Add support for the viewport-based vmax unit. Supported in all other browsers.

                  385 votes
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                    Completed  ·  3 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                  • preserve 3d transform

                    Preserve 3d transform is still missing from ie11 :(

                    I can get away with animating every face, but that adds an unreasonable amount of extra hassle and code.

                    253 votes
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                      Completed  ·  8 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                    • Support css initial

                      Support the CSS 'initial' keyword for the display property. Can be seen in this MDN article: https://developer.mozilla.org/en-US/docs/Web/CSS/initial

                      Very useful for resetting properties and encourages reusable CSS.

                      53 votes
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                        1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                      • CSS Variables

                        Introduces cascading variables as a new primitive value type that is accepted by all CSS properties, and custom properties for defining them.

                        Spec: http://www.w3.org/TR/css-variables/

                        5,873 votes
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                          57 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                        • Add @supports at-rule

                          Add the @support @rule
                          https://developer.mozilla.org/en-US/docs/Web/CSS/@supports

                          ..and while you're there, kick the webkit team to pick up the work on that as well again: https://bugs.webkit.org/show_bug.cgi?id=126636 ;)

                          97 votes
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                            Completed  ·  2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                          • position: sticky

                            position: sticky is a new way to position elements and is conceptually similar to position: fixed. The difference is that a stickily positioned element behaves like position: relative within its parent, until a given offset threshold is met.

                            Spec: http://dev.w3.org/csswg/css-position/#sticky-pos

                            4,651 votes
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                              14 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                            • outline-offset

                              Add support for the outline-offset property, supported in all other browsers.

                              83 votes
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                                2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                              • object-fit and object-position

                                CSS properties that control the position and size of replaced content within the content box.

                                http://dev.w3.org/csswg/css-images-3/#the-object-fit

                                4,214 votes
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                                  88 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                • 59 votes
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                                    1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                  • 1,427 votes
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                                      15 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                    • CSS Appearance

                                      Add appearance property. The CSS appearence defines how elements (particularly form controls) appear by default. By setting the value to none the default appearance can be entirely redefined using other CSS properties.

                                      21 votes
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                                        3 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Support CSS's cursor: zoom-in / cursor: zoom-out

                                        Support CSS's cursor: zoom-in / cursor: zoom-out to show a magnifying glass with a plus / minus, when hovering over an object with that declaration.

                                        Firefox, Chrome, Safari and Opera support cursor: zoom-in / cursor: zoom-out.

                                        4 votes
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                                          Completed  ·  1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                                        • 2 votes
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                                            1 comment  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →

                                            CSS writing-mode has been in IE for a long time (initial implementation in IE5.5,and extended in IE8). In Microsoft Edge we updated the values from the old spec syntax (inherited from SVG) to the latest spec. IE11+ also support the text-combine-horizontal property.

                                            If you ’d like to see a particular feature of the writing modes spec that is not currently supported, please file another issue in this forum.

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