Classic tween - graphics jump - possible bug

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Hi. I'm repeatedly facing an issue - probably a bug - which costs me a lot of unnecessary working time: E.g. I create a rectangle to highlight a header. I then convert it to a symbol and create a classic tween with effect: Classic Ease-Out - 100. At the start the tween the rectangle is then transformed to 10% with alpha = 0, in order to create a zoom in effect. When playing the classic tween I experience almost each time that the last frame jumps unnecessarily, even though the anchor point i centered. See the attached example. Is there anything to do/work around in order to eliminate this irritaing effect?

Thanks, Thomas

intraExample.zip

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aziz4576

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The jumping effect you’re experiencing at the end of the tween might be caused by subtle inconsistencies in the transformation properties or easing settings. To work around this, double-check that the position, scale, and alpha values on the first and last keyframes match perfectly. Sometimes, reapplying the easing or recreating the tween from scratch can resolve glitches. If the issue persists, try using a motion tween instead of a classic tween.

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thomas_3638

Participant

Hi. Thanks for your replies/suggestions. All of the things you are suggesting were tried out without any/with little effect. Animate has had this bug for years, meaning that the issue appears often but not always. One of my colleagues has been in contact with Adobe years ago but the problem has never been solved. I'm continuing to try to work around the bug, nevertheless Adobe should really put some efforts to solve it.

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