[Webkit-unassigned] [Bug 210802] New: IRS.gov intermittently stops scrolling suddenly

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210802

            Bug ID: 210802
           Summary: IRS.gov intermittently stops scrolling suddenly
           Product: WebKit
           Version: Safari 13
          Hardware: iPhone / iPad
                OS: iOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tym46383 at gmail.com

On https://irs.gov, swiping quickly to move the page up or down will sometimes abruptly stop at a random spot in the middle of the page. This doesn't seem to happen on Mac, but it is present on iPad with the latest 13.4.5 beta.

Also, if I try to grab the scrollbar and pull down, it resets to the top. However, if I'm at the bottom of the page and drag it to go up, it works as expected.

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