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New Features Awaiting Implementation Interest: Difference between revisions

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<tr><th>Mozilla (Firefox) <th>Opera <th>Microsoft (IE) <th>Apple (Safari) <th>Google (Chrome) <th>Others
<tr><th>Mozilla (Firefox) <th>Opera <th>Microsoft (IE) <th>Apple (Safari) <th>Google (Chrome) <th>Others
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  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Jan/0082.html Progress events on IMG elements]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22682 Some way to add files to <input type=file>]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Jan/0195.html Jonas Sicking]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0153.html Jonas Sicking]
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  <td>
  <td>
  <td>
<td>[http://lists.webkit.org/pipermail/webkit-dev/2012-January/019182.html Dean Jackson]
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<td> Nico Weber
  <td>
  <td>
  <td>Will likely be added soon
  <td> On track for spec
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  <td>[[AllowSeamless|Cross-origin seamless iframes]]
  <td>[[AllowSeamless|Cross-origin seamless iframes]]
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  <td> Adam Barth
  <td> Adam Barth
  <td>
  <td>
  <td>Will likely be added soon
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0006.html Pending input on this thread]
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  <td>[https://bugzilla.mozilla.org/show_bug.cgi?id=803124 Canvas: isPointInStroke]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22698 HTMLCanvasElement.printCallback API]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Nov/0148.html Jeff Muizelaar]
  <td>Julian Viereck
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<td>[https://bugzilla.mozilla.org/show_bug.cgi?id=655926 Canvas: fillRule]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0107.html Metadata API for media elements]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2011Jun/0123.html Chris Jones]
  <td>Ralph Giles
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  <td>
<td>Also needs a spec for the metadata schema
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  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Sep/0371.html HTMLCanvasElement.printCallback API]
<td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22696 Adding defer/async to inline scripts]
<td>Julian Viereck
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Aug/0290.html Jonas Sicking]
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  <td>[[Meta_referrer|&lt;meta name="referrer">]]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22675 &lt;meta name="referrer">]
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  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Nov/0272.html A method to trigger autofill]
<td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22699 Location.ancestorOrigins]
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<td>
<td>
<td>
<td> Already implemented
<td>
  <td> [http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Nov/0259.html Negative feedback from Tobie Langel]
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<td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22701 A method to trigger autofill]
  <td>
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  <td>
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  <td>[http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-March/035065.html Prerendering APIs]
<td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22676 Prerendering APIs]
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<td>
<td>
<td>
  <td> [http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-November/037833.html Gavin Peters]
<td>
<td> Needs detailed specification work to describe what happens with scripts running in the prerender context (since normally scripts can't run in non-active documents, and normally there's only one active document per session history).
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<td> [https://www.w3.org/Bugs/Public/show_bug.cgi?id=22697 APIs for 'palpable' content] (at the bottom)
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  <td>
  <td>
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  <td>
  <td> Gavin Peters
  <td> [http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Sep/0082.html Ojan Vofai]
  <td>
  <td>
  <td>
  <td>
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  <td> [http://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/templates/index.html &lt;template>] [https://www.w3.org/Bugs/Public/show_bug.cgi?id=17930 (bug)]
  <td>Appcache: [http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Nov/0345.html More detail in error events]
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  <td>
  <td>
  <td>
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  <td>
  <td> Rafael Weinstein
  <td> [http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-November/038185.html Michael Nordman]
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  <td>
  <td>
  <td>
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  <td> [http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Aug/0274.html APIs for 'palpable' content] (at the bottom)
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0088.html Making drawImage() have a mode to clamp at source rectangle]
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<td>
<td>
<td>
<td> Justin Novosad
<td>
<td> There is a workaround using ImageBitmaps to extract a subregions of the source image. The workaround does not solve cases where sub-region extraction needs to be synchronous either because the source image content changes over time (e.g a canvas or video), or because the subrectangle coordinates cannot be determined in advance.
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<td>Appcache: [https://www.w3.org/Bugs/Public/show_bug.cgi?id=20083 Interceptor Worker]
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<td> [http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Sep/0082.html Ojan Vofai]
  <td>
  <td>
  <td>
  <td>
<td> Needs use cases as well
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  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012May/0532.html Some way to add files to <input type=file>]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22680 FormData]
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  <td>
  <td>
  <td>
  <td>
  <td>
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  <td>
  <td>
<td> Nico Weber
  <td>
  <td>
  <td>
  <td>
<tr>
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  <td>Appcache: [http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Nov/0345.html More detail in error events]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22674 Canvas: Stroke alignment]
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<td> David Barrett-Kahn
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  <td>The &lt;menu> feature with many elements providing commands
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2013Jan/0073.html Canvas: Page flipping for the 2D context]
<td>''Negative interest''
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<td>
<td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2013Jan/0098.html James Robinson]
  <td>
  <td>
  <td>
  <td>
<td>Will likely be dropped if no interest is indicated soon
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  <td>Appcache: [https://www.w3.org/Bugs/Public/show_bug.cgi?id=20083 Interceptor Worker]
  <td>[http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-November/038079.html Canvas: control over when shadows paint]
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  <td>
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  <td>
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  <td>
<td> Needs use cases as well
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  <td>[[FormData]]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012May/0138.html &lt;img srcset>: a mechanism to enable adaptive images]
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  <td>
  <td>
  <td>
  <td>
  <td>
  <td>
<td>[https://bugs.webkit.org/show_bug.cgi?id=110252 Implemented]
  <td>
  <td>
  <td>
  <td>
  <td>
  <td>
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  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2010Jul/0238.html Canvas: Stroke alignment]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=17859 locale=""]
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  <td>
  <td>
  <td>
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  <td>
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  <td>[http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-November/038079.html Canvas: control over when shadows paint]
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0238.html <video> currentTime and seek using rational numbers]
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<td>
<td>
<td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0232.html Jer Noble]
  <td>
  <td>
  <td>
  <td>
<td> Would expose the video's timebase, too, assuming it's constant. See also next line.
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<td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=22678 video source material metrics] (e.g. frame rate for fixed-frame-rate video data)
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<td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012May/0138.html img@srcset: a mechanism to enable adaptive images]
  <td>
  <td>
  <td>
  <td>
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<td>[http://lists.w3.org/Archives/Public/public-webapps/2012OctDec/0617.html Cross-origin workers]
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<td>[http://lists.w3.org/Archives/Public/public-webapps/2012OctDec/0647.html Travis Leithead?]
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<td>[http://lists.w3.org/Archives/Public/public-webapps/2012OctDec/0618.html Ojan Vafai]
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  <td>
  <td>
  <td>
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  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=17859 locale=""]
  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=17842 Deferring &lt;img> loads until the image is needed]
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  <td>[https://www.w3.org/Bugs/Public/show_bug.cgi?id=17803 video playback metrics] (see suggestion in note 7)
  <td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Dec/0272.html API to request Web Worker latency guarantees (in exchange for guaranteeing low CPU usage)]
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  <td>
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<td>[http://lists.w3.org/Archives/Public/public-whatwg-archive/2010Oct/0024.html SearchBox API]
<td>
<td>
<td>
<td>
<td> Tony Gentilcore
<td>
<td> No longer being tracked.
</table>
</table>


Latest revision as of 23:42, 6 September 2013

There are features that have been requested, but for which we are lacking implementor interest. Without two or more vendors interested in implementing the feature, they are unlikely to get added to the specs.

Feature Interest indicated by... Comments
Mozilla (Firefox) Opera Microsoft (IE) Apple (Safari) Google (Chrome) Others
Some way to add files to <input type=file> Jonas Sicking Nico Weber On track for spec
Cross-origin seamless iframes Boris Zbarsky Adam Barth Pending input on this thread
HTMLCanvasElement.printCallback API Julian Viereck
Metadata API for media elements Ralph Giles Also needs a spec for the metadata schema
Adding defer/async to inline scripts Jonas Sicking
<meta name="referrer"> Adam Barth
Location.ancestorOrigins Already implemented Negative feedback from Tobie Langel
A method to trigger autofill Elliott Sprehn, Peter Kasting
Prerendering APIs Gavin Peters Needs detailed specification work to describe what happens with scripts running in the prerender context (since normally scripts can't run in non-active documents, and normally there's only one active document per session history).
APIs for 'palpable' content (at the bottom) Ojan Vofai
Appcache: More detail in error events Michael Nordman
Making drawImage() have a mode to clamp at source rectangle Justin Novosad There is a workaround using ImageBitmaps to extract a subregions of the source image. The workaround does not solve cases where sub-region extraction needs to be synchronous either because the source image content changes over time (e.g a canvas or video), or because the subrectangle coordinates cannot be determined in advance.
Appcache: Interceptor Worker Needs use cases as well
FormData
Canvas: Stroke alignment
Canvas: Page flipping for the 2D context James Robinson
Canvas: control over when shadows paint
<img srcset>: a mechanism to enable adaptive images Implemented
locale=""
<video> currentTime and seek using rational numbers Jer Noble Would expose the video's timebase, too, assuming it's constant. See also next line.
video source material metrics (e.g. frame rate for fixed-frame-rate video data)
Cross-origin workers Travis Leithead? Ojan Vafai
Deferring <img> loads until the image is needed
API to request Web Worker latency guarantees (in exchange for guaranteeing low CPU usage)
SearchBox API Tony Gentilcore No longer being tracked.

See also: Who to ask about stuff

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