[Webkit-unassigned] [Bug 251754] New: Weird temporarily artifacts on over scrolling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=251754

            Bug ID: 251754
           Summary: Weird temporarily artifacts on over scrolling
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ebrahim at gnu.org
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 464848

  --> https://bugs.webkit.org/attachment.cgi?id=464848&action=review

weird temporarily artifacts

Happens in both WebKit (6c4c9810) and Safari 16.2,

1. Open https://codepen.io/jh3y/pen/VwBgPxP
2. Scroll down and up, fast and slowly, like what is shown in the attachment.

Actual:
Weird artifacts will be seen sometimes specially when top overscroll happens.

Expected:
Like Chrome and Firefox

I saw this codepen from this tweet, https://twitter.com/jh3yy/status/1621564942175322112

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