Bug 216066 - [Async overflow scrolling] CSS clip property fails to clip composited descendants of an overflow:scroll
Summary: [Async overflow scrolling] CSS clip property fails to clip composited descend...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Compositing (show other bugs)
Version: Safari Technology Preview
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-09-01 21:04 PDT by Simon Fraser (smfr)
Modified: 2022-07-14 19:36 PDT (History)
3 users (show)

See Also:

Attachments
Testcase (1.94 KB, text/html)
2020-09-01 21:04 PDT, Simon Fraser (smfr) 		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 Simon Fraser (smfr) 2020-09-01 21:04:00 PDT 
Created attachment 407740 [details]
Testcase

Testcase shows an issue where the 'clip' property fails to clip positioned descendants of composited overflow scroll.
Comment 1 Simon Fraser (smfr) 2020-09-01 21:05:02 PDT 
Ancestor clipping stack layers need to look for 'clip'.
Comment 2 Radar WebKit Bug Importer 2020-09-02 20:38:23 PDT 
<rdar://problem/68251906>
Comment 3 Fujii Hironori 2022-07-14 19:32:44 PDT 
Disabling Async Overflow Scrolling Internal Feature setting of MiniBrowser can work around the issue.