Bug 210652 - Stutter and laggy behavior on scroll with background-attachment:fixed
Summary: Stutter and laggy behavior on scroll with background-attachment:fixed
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Scrolling (show other bugs)
Version: Safari 13
Hardware: Mac Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-04-17 05:01 PDT by Nastya
Modified: 2022-03-03 10:35 PST (History)
4 users (show)

See Also:

Attachments
Video about problem (17.45 MB, video/quicktime)
2020-04-17 05:01 PDT, Nastya 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Nastya 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
Comment 1 Radar WebKit Bug Importer 2020-04-17 12:44:43 PDT 
<rdar://problem/61946434>
Comment 2 Simon Fraser (smfr) 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.