NEW 210652
Stutter and laggy behavior on scroll with background-attachment:fixed 
https://bugs.webkit.org/show_bug.cgi?id=210652
Summary Stutter and laggy behavior on scroll with background-attachment:fixed
Nastya
Reported 2020-04-17 05:01:38 PDT
Created attachment 396756 [details] Video about problem Stutter and laggy behavior on scroll when elements have background-attachment: fixed For example https://portfolio.logomachine.ru/matchers
Attachments
Video about problem (17.45 MB, video/quicktime)
2020-04-17 05:01 PDT, Nastya 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2020-04-17 12:44:43 PDT
<rdar://problem/61946434>
Simon Fraser (smfr)
Comment 2 2022-03-03 10:35:41 PST
This is because we fall back to synchronous scrolling when there are non-root elements with background-attachment:fixed.
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