NEW 216776
Element is wrongly positioned during animation when dimensions change 
https://bugs.webkit.org/show_bug.cgi?id=216776
Summary Element is wrongly positioned during animation when dimensions change
Wart Claes
Reported 2020-09-21 06:48:51 PDT
When animating an element which changes dimensions, the position of the element is not recalculated and makes a "jump" at the end of the animation to correct it's position. It happens in both iOS Safari and Mac OS Safari, but this behavior is different then Firefox and Chrome/Edge. Example: https://codepen.io/WartClaes/pen/GRZwMxE
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Radar WebKit Bug Importer
Comment 1 2020-09-21 12:46:46 PDT
<rdar://problem/69320997>
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