[Webkit-unassigned] [Bug 233802] New: Element with position: sticky when changing the orientation of the screen the first time you scroll completely fly off the screen

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=233802

            Bug ID: 233802
           Summary: Element with position: sticky when changing the
                    orientation of the screen the first time you scroll
                    completely fly off the screen
           Product: WebKit
           Version: Safari 15
          Hardware: iPhone / iPad
                OS: iOS 15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: p_stas1997 at mail.ru

Created attachment 445814

  --> https://bugs.webkit.org/attachment.cgi?id=445814&action=review

slow motion video

Element with position: sticky at the first scroll after loading the page (also when changing the screen orientation) can partially or completely fly off the screen

See attached slow motion video and screenshot 

To notice this, turn on the screen recording and watch each frame.
Check it https://jsfiddle.net/emhgb9wq/2/
iOS 15.0.2

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