[Webkit-unassigned] [Bug 228679] New: REGRESSION(r279800): IntersectionObserver may never get a delivery of an observation if the element has been unobserved and is disconnected

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228679

            Bug ID: 228679
           Summary: REGRESSION(r279800): IntersectionObserver may never
                    get a delivery of an observation if the element has
                    been unobserved and is disconnected
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org

After r279800 IntersectionObserver's callback may never be delivered if the observed element
has been disconnected from the document, and the element has been explicitly unobserved by IntersectionObserver.

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