[Webkit-unassigned] [Bug 235904] New: scroll-snapping jittery

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=235904

            Bug ID: 235904
           Summary: scroll-snapping jittery
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bramus at bram.us

When checking out the MDN demos on https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-snap-type with `scroll-snap-type: x mandatory` selected, it acts a bit jittery when slowish-ly scrolling over the scroll container and then releasing. Just before it snaps, you can see it jump back a little bit.

See recording at https://www.youtube.com/watch?v=vLapfq0flMM

You can see it really good at the 4 second, where scrolling back from box 3 to box 2. It jumps a little bit back, before snapping.

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