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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>18875</bug_id>
          
          <creation_ts>2008-05-03 12:24:09 -0700</creation_ts>
          <short_desc>Opacity does not animate in CSS transition</short_desc>
          <delta_ts>2009-01-03 17:24:15 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>CSS</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Mac</rep_platform>
          <op_sys>OS X 10.5</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>INVALID</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>0</everconfirmed>
          <reporter name="Jurriaan Mous">jurmous</reporter>
          <assigned_to name="Simon Fraser (smfr)">simon.fraser</assigned_to>
          <cc>igitur</cc>
    
    <cc>nickshanks</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>79582</commentid>
    <comment_count>0</comment_count>
    <who name="Jurriaan Mous">jurmous</who>
    <bug_when>2008-05-03 12:24:09 -0700</bug_when>
    <thetext>On specific CSS transition settings the opacity does not transition. 
Also with combinations with other transitions and the working settings the opacity stops animating.

See the attached file for further details. 
Tested both in nightly of today and Safari 3.1</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>79585</commentid>
    <comment_count>1</comment_count>
      <attachid>20951</attachid>
    <who name="Jurriaan Mous">jurmous</who>
    <bug_when>2008-05-03 12:31:16 -0700</bug_when>
    <thetext>Created attachment 20951
html test file

Rotation and opacity combo problem.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>89943</commentid>
    <comment_count>2</comment_count>
    <who name="Francois Botha">igitur</who>
    <bug_when>2008-09-02 15:19:14 -0700</bug_when>
    <thetext>Is this the reason that when you drag the discs on http://script.aculo.us , they have like a white background instead of semi-transparent?  I&apos;m on Google Chrome now and that&apos;s the first thing I noticed.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>104264</commentid>
    <comment_count>3</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2009-01-03 17:23:26 -0800</bug_when>
    <thetext>Testcases has a number of problems:
* The second -webkit-transition rule overrides the first, so only transform will transition.
* background-color: appears twice (harmless)
* background color changes, but does not transition, so the opacity change is
hard to see.

I&apos;ll attach a working example.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>104265</commentid>
    <comment_count>4</comment_count>
      <attachid>26398</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2009-01-03 17:24:15 -0800</bug_when>
    <thetext>Created attachment 26398
Working example</thetext>
  </long_desc>
      
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            <attachid>20951</attachid>
            <date>2008-05-03 12:31:16 -0700</date>
            <delta_ts>2008-05-03 12:31:16 -0700</delta_ts>
            <desc>html test file</desc>
            <filename>test.html</filename>
            <type>text/html</type>
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            <attacher name="Jurriaan Mous">jurmous</attacher>
            
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            <attachid>26398</attachid>
            <date>2009-01-03 17:24:15 -0800</date>
            <delta_ts>2009-01-03 17:24:15 -0800</delta_ts>
            <desc>Working example</desc>
            <filename>opacity-transition.html</filename>
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            <attacher name="Simon Fraser (smfr)">simon.fraser</attacher>
            
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