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RESOLVED FIXED
228679
REGRESSION(
r279800
): IntersectionObserver may never get a delivery of an observation if the element has been unobserved and is disconnected
https://bugs.webkit.org/show_bug.cgi?id=228679
Summary
REGRESSION(r279800): IntersectionObserver may never get a delivery of an obse...
Ryosuke Niwa
Reported
2021-07-31 03:26:34 PDT
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.
Attachments
Fixes the bug
(6.90 KB, patch)
2021-07-31 04:28 PDT
,
Ryosuke Niwa
no flags
Details
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proposed patch, testcase, etc.
Ryosuke Niwa
Comment 1
2021-07-31 04:17:28 PDT
ResizeObserver has a similar code but ResizeObserver.unobserve active observation as well so it doesn't exhibit a bug per se. I don't think this is correct per spec though. Will investigate separately.
Ryosuke Niwa
Comment 2
2021-07-31 04:28:06 PDT
Created
attachment 434696
[details]
Fixes the bug
Chris Dumez
Comment 3
2021-08-02 08:21:22 PDT
Comment on
attachment 434696
[details]
Fixes the bug r=me
Ryosuke Niwa
Comment 4
2021-08-02 12:14:39 PDT
<
rdar://81057759
>
Ryosuke Niwa
Comment 5
2021-08-02 12:14:52 PDT
Comment on
attachment 434696
[details]
Fixes the bug Clearing flags on attachment: 434696 Committed
r280549
(
240176@main
): <
https://commits.webkit.org/240176@main
>
Ryosuke Niwa
Comment 6
2021-08-02 12:14:54 PDT
All reviewed patches have been landed. Closing bug.
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