[Webkit-unassigned] [Bug 258016] New: [iPadOS 16.4+] Scrolling using hardware trackpad barely works

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=258016

            Bug ID: 258016
           Summary: [iPadOS 16.4+] Scrolling using hardware trackpad
                    barely works
           Product: WebKit
           Version: Safari 16
          Hardware: iPhone / iPad
                OS: iOS 16
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bartek at craft.do
                CC: simon.fraser at apple.com

Created attachment 466679

  --> https://bugs.webkit.org/attachment.cgi?id=466679&action=review

Video showcasing the issue

## Issue
When using a hardware keyboard on iPadOS 16.4+ (ie. Apple's Magic Keyboard or Logitech's Combo Touch) scrolling on some pages is totally broken. Using touch scrolling (using a finger) works without any issues. Attached is a video showcasing the issue.

The same issue doesn't happen on older versions of iPadOS (eg. 16.3)

## Example affected page
https://www.craft.do/whats-new

## Additional related threads:
https://forum.obsidian.md/t/ios-scrolling-problem-with-external-mouse/59262/19
https://web.archive.org/web/20230330010906/https://www.reddit.com/r/ipad/comments/1264qls/bug_with_smooth_scrolling_trackpad_on_safari/

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