Open
Bug 1943629
Opened 22 days ago
Updated 20 days ago
UAWidget for video element is flushing style and whatnot (with 5000 dynamically-appended video elements generating tens of seconds of jank)
Categories
(Core :: Layout, defect)
Core
Layout
Tracking
()
NEW
People
(Reporter: mayankleoboy1, Unassigned)
References
Details
Attachments
(2 files)
Open any of the attached testcases
Enter 5000 in the input
Click on generate
Video
nightly: https://share.firefox.dev/4hubYgE (21s+ 11s)
Chrome: https://share.firefox.dev/4aunyps (all video element visible after 1.2 seconds!)
Audio
Nightly: https://share.firefox.dev/4jw6pjj
Chrome: https://share.firefox.dev/3CbMkOL
By whatever magic, 5000 video elements are visible in Chrome in 1.2 seconds. We take 21s for the elements to appear.
Olli suggested i file a bug separate from bug 1943230
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Reporter | |
Comment 1•22 days ago
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Reporter | |
Comment 2•22 days ago
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Full disclaimer: The testcases were generated by ChatGPT
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Updated•20 days ago
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Type: enhancement → defect
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Updated•20 days ago
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Severity: -- → S3
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Updated•20 days ago
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Summary: UAWidget for video element is flushing style and whatnot → UAWidget for video element is flushing style and whatnot (with 5000 dynamically-appended video elements generating tens of seconds of jank)
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Description
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