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    SVG 2 support in Mozilla

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    SVG 2 is the next major version of the SVG standard, which is a complete rework of the SVG 1.2 draft.

    Version 2 contains a lot of changes regarding the last stable version SVG 1.1. Those changes are listed below including their support status within Mozilla applications.

    General

    Change Notes
    length attribute and indexed property for list interfaces Implementation status unknown
    <script> element in content model of all elements Implementation status unknown
    initialize(), appendItem(), replaceItem() and insertItemBefore() on list objects making a copy of any list item being inserted that is already in another list Implementation status unknown
    crossorigin attribute for <image> and <script> elements Not implemented yet (at least for <image>; bug 1240357)

    Rendering Model

    Change Notes
    Allow overflow: auto; to clip and show scroll bars Implementation status unknown
    Allow overflow: scroll; to show scroll bars on <svg> elements Implementation status unknown

    Basic Data Types and Interfaces

    Change Notes
    DOMMatrix or DOMMatrixReadOnly instead of SVGMatrix Implementation status unknown
    DOMRect or DOMRectReadOnly instead of SVGRect Implementation status unknown
    DOMPoint or DOMPointReadOnly instead of SVGPoint Implementation status unknown
    Members of SVGStylable and SVGLangSpace available in SVGElement Implementation status unknown
    SVGGraphicsElement instead of SVGLocatable and SVGTransformable Implementation status unknown
    SVGGeometryElement Not implemented (bug 1239100)
    SVGExternalResourcesRequired removed Implementation status unknown
    SVGElement.viewportElement and SVGElement.ownerSVGElement nullable Implementation status unknown
    SVGElement.getPresentationAttribute() removed Never implemented (prototype removed in bug 921456)
    SVGColor and SVGICCColor removed Never implemented
    SVGElement.focus(), SVGElement.blur() Not implemented (bug 778654)
    SVGElement.tabIndex Not implemented (bug 778654)
    Document.activeElement Implementation status unknown
    GlobalEventHandlers on SVGElement Implementation status unknown
    options dictionary attribute for SVGGraphicsElement.getBBox() Implemented behind the preference svg.new-getBBox.enabled (bug 999964, bug 1019326)
    Allow leading and trailing whitespace in <length>, <angle>, <number> and <integer> Implementation status unknown
    Form feed (U+000C) in whitespace Implementation status unknown
    SVGElement.xmlbase, SVGElement.xmllang and SVGElement.xmlspace removed Implementation status unknown
    SVGViewSpec removed Implementation status unknown
    SVGGraphicsElement.getTransformToElement() removed Not removed yet
    SVGGraphicsElement.getCTM() on the outermost element Implementation status unknown
    animVal attribute alias of baseVal Implementation status unknown

    Document Structure

    Change Notes
    SVGSVGElement.suspendRedraw(), SVGSVGElement.unsuspendRedraw() and SVGSVGElement.unsuspendRedrawAll() deprecated Deprecated in bug 734079
    externalResourcesRequired attribute removed Implementation status unknown
    auto value for width and height in <image> Implementation status unknown
    referencing entire document Implementation status unknown
    lang attribute on <desc> and <title> Implemented (bug 721920)
    CSS transforms on outermost <svg> not affecting SVGSVGElement.currentScale or SVGSVGElement.currentTranslate Implementation status unknown
    rootElement attribute deprecated Implementation status unknown
    SVGElementInstance and SVGElementInstanceList and corresponding attributes on SVGUseElement removed Implementation status unknown
    <use> event flow following Shadow DOM spec. Implementation status unknown
    auto as initial value for width and height attributes of <svg> Implementation status unknown
    baseProfile and version attributes removed from <svg> Implementation status unknown
    SVGSVGElement.forceRedraw() deprecated Implementation status unknown
    SVGSVGElement.deselectAll() deprecated Implementation status unknown
    <switch> not affecting <style> Implementation status unknown
    requiredFeatures attribute removed Implementation status unknown
    SVGSVGElement.currentView and SVGSVGElement.useCurrentView removed SVGSVGElement.currentView was never implemented, SVGSVGElement.useCurrentView not removed yet (bug 1174097)
    SVGUnknownElement Not implemented (bug 1239218)
    lang attribute without namespace Implemented (bug 721920)
    SVGSVGElement.viewport removed Never implemented
    xml:base attribute removed Implementation status unknown

    Styling

    Change Notes
    contentStyleType attribute removed Implementation status unknown
    LinkStyle on SVGStyleElement Implemented (bug 1239128 (Firefox 46.0 / Thunderbird 46.0 / SeaMonkey 2.43))
    Inner <svg>s and <foreignObjects>s not overflow: hidden; in UA style sheet Implementation status unknown
    overflow: hidden; on <hatch> in UA style sheet Implementation status unknown
    0 0 as default value of transform-origin except root <svg> and <svg> children of <foreign> Implementation status unknown
    Use of white-space instead of deprecated xml:space attribute in UA style sheet Implementation status unknown
    @font-face, ::first-letter and ::first-line on <text> Implementation status unknown
    SVG and HTML style sheets in HTML document with inline SVG applying to whole document content Implementation status unknown

    Geometry

    Change Notes
    x and y attributes removed from <pattern> and <filter> Implementation status unknown
    auto value of width and height computes to 0 Not implemented

    Coordinate Systems, Transformations and Units

    Change Notes
    Exception for bad values on SVGMatrix.skewX() and SVGMatrix.skewY() Implementation status unknown
    defer keyword removed from preserveAspectRatio attribute Implementation status unknown

    Paths

    Change Notes
    B and b path commands Implementation status unknown
    Z and z path commands to add path coordinate data to previous command Implementation status unknown
    Not render <path>, <polygon> and <polyline> with no data Implementation status unknown
    SVGPathSeg*, SVGAnimatedPathData and related methods removed from SVGPathElement Implementation status unknown

    Basic Shapes

    Change Notes
    SVGAnimatedPoints.animatedPoints as alias of SVGAnimatedPoints.points Implementation status unknown

    Text

    Change Notes
    inline-size attribute for <text> Implementation status unknown
    white-space Implementation status unknown
    Deprecated xml:space attribute Implementation status unknown
    kerning property removed Implementation status unknown
    d attribute for <textPath> Implementation status unknown
    Reference basic shapes to <textPath> Implementation status unknown
    <tref> removed Implementation status unknown
    <altGlyph>, <altGlyphDef>, <altGlyphItem> and <glyphRef> removed Implementation status unknown
    SVGTextContentElement.selectSubString() deprecated Implementation status unknown
    getComputedTextLength() not including dx and dy values Implementation status unknown

    Embedded Content

    Change Notes
    <video> Implementation status unknown
    <audio> Implementation status unknown
    <iframe> Implementation status unknown
    <canvas> Implementation status unknown
    <source> Implementation status unknown
    <track> Implementation status unknown

    Painting

    Change Notes
    paint-order Implemented (bug 828805)
    will-change Implementation status unknown
    context-fill and context-stroke paint values Implemented (bug 719286 (Firefox 18.0 / Thunderbird 18.0 / SeaMonkey 2.15) and bug 798843 (Firefox 26.0 / Thunderbird 26.0 / SeaMonkey 2.23))
    child keyword for <paint> values and marker properties Implementation status unknown
    ID-less referencing in <child-selector> values Implementation status unknown
    vector-effect property Only none and non-scaling-stroke values are supported (bug 528332 (Firefox 15 / Thunderbird 15 / SeaMonkey 2.12), bug 1265666)
    arcs value for stroke-linejoin Not implemented (bug 1239142)
    auto-start-reverse value for <marker>'s orient attribute Implemented (bug 879659)
    SVGPaint removed Implementation status unknown
    fill and stroke taking multiple paints Implementation status unknown
    z-index Not implemented (bug 360148
    child(<integer>) paint value Implementation status unknown

    Color

    Change Notes
    color-profile removed Implementation status unknown
    <color-profile> removed Implementation status unknown

    Paint Servers

    Change Notes
    <solidcolor> (renamed solidColor) Not implemented (bug 1177032)
    fr attribute for <radialGradient> Implementation status unknown
    <mesh> (renamed meshGradient) Not implemented (bug 1238882)
    <meshrow> (renamed meshRow) Not implemented (bug 1238882)
    <meshpatch> (renamed meshPatch) Not implemented (bug 1238882)
    <hatch> Not implemented (bug 1239147)
    <hatchpath> (renamed hatchPath) Not implemented (bug 1239147)
    transform attribute on <mesh> and <hatch> (renamed gradientTransform and hatchTransform) Not implemented

    Interactivity

    Change Notes
    bounding-box on pointer-events Not implemented (bug 945187)
    load, abort, error and unload instead of SVGLoad, SVGAbort, SVGError and SVGUnload Not implemented (bug 620002)
    resize and scroll instead of SVGResize and SVGScroll Implementation status unknown
    DOMActivate removed Implementation status unknown
    focusin and focusout instead of DOMFocusIn and DOMFocusOut Implementation status unknown
    Keyboard events Implementation status unknown
    Mutation events removed Implementation status unknown

    Linking

    Change Notes
    Link SVG resources with fragment identifiers Implementation status unknown
    xlink:type, xlink:role, xlink:arcrole, xlink:show and xlink:actuate attributes removed Implementation status unknown
    xlink:href attribute deprecated in favor of href Not implemented (bug 1245751)
    xlink:title attribute deprecated in favor of child <title> Implementation status unknown
    Spaces in SVG view fragments Implementation status unknown
    pixel: and percent: spatial media fragments Implementation status unknown
    viewTarget attribute of <view> and corresponding SVG view fragment parameter removed Implementation status unknown

    Fonts

    Change Notes
    <font>, <glyph>, <missing-glyph>, <hkern>, <vkern>, <font-face>, <font-face-src>, <font-face-uri>, <font-face-format> and <font-face-name> and corresponding IDL interfaces removed Implementation status unknown

    Document Tags and Contributors

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     Contributors to this page: Sebastianz, rolfedh
     Last updated by: Sebastianz,