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Thread: CSS animations rely on unspecified behavior

    Success! Looks like we've fixed this one. According to our records the fix was applied for ANIM-472 in a recent build.
  1. #1

    Default CSS animations rely on unspecified behavior

    Some of the Sencha Animator demos look wrong in recent WebKit nightly builds. For example, in, the pages look semi-transparent during the entire page turn animation.

    I think the animations are relying on behavior that was changed as a result of fixing this bug:

    I see animations with opacity: 0 for only the first few keyframes (say 0% and 10%) ,and none of the later ones. What WebKit used to do is animate opacity from 0 to 1 from the 10% to the next keyframe. After that bug was fixed, opacity now animates from 0 at 10% to 1 at the 100% keyframe.

    To work around this behavior change, you should supply a value for opacity in every keyframe.

  2. #2
    Sencha User
    Join Date
    Mar 2010
    Bay Area

    Default That's a bug in Animator

    smfr, this is actually a bug in Animator that we just found, it's adding an extra opacity setting that's being ignored by Safari but webkit/chrome is trying to accomodate it.

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