RESOLVED CONFIGURATION CHANGED 188558
CSS transition with CSS transform exhibits unintended jitter 
https://bugs.webkit.org/show_bug.cgi?id=188558
Summary CSS transition with CSS transform exhibits unintended jitter
Eugene Wen
Reported 2018-08-14 09:52:38 PDT
Created attachment 347085 [details] HTML file for reduced test case Steps to reproduce the problem: 1. Open index.html Page Attached 2.A. Click on "<" or ">" to initiate CSS transition / transform 2.B. Or on Mobile touchmove along the lettered elements to initiate CSS transition / transform What is the expected behavior? The expected behavior is a smooth transition of the lettered elements. What went wrong? The transition occurs but it is not smooth. See video for jitter reproduction. Did this work before? N/A Does this work in other browsers? Yes Video reference: https://drive.google.com/open?id=1XpZ1f7_A6c2jytFJ0rwM4lFAYmHl9Ng4
Attachments
HTML file for reduced test case (9.52 KB, text/html)
2018-08-14 09:52 PDT, Eugene Wen 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Antoine Quint
Comment 1 2018-08-16 01:41:46 PDT
This doesn't reproduce with the Web Animations flags on, which is a good thing :) This can be verified with a Safari Technology Preview build.
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