RESOLVED INVALID 251403
WebP video slows to a crawl on the first loop 
https://bugs.webkit.org/show_bug.cgi?id=251403
Summary WebP video slows to a crawl on the first loop
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Radar WebKit Bug Importer
Comment 1 2023-01-30 16:46:58 PST
<rdar://problem/104843448>
Eric Portis
Comment 2 2023-01-30 16:52:56 PST
Looks like this has been noticed by someone else, too (example URL no longer resolves, though): https://discussions.apple.com/thread/252594380
Said Abou-Hallawa
Comment 3 2023-01-31 11:56:44 PST
The slow animation happens in the first ‘loop’ only. Once the animation starts over, playback occurs at normal speed.
Said Abou-Hallawa
Comment 4 2023-01-31 11:57:39 PST
rdar://100568410
Alexey Proskuryakov
Comment 5 2023-01-31 13:03:27 PST
Updating the title, as I observe identical behavior in STP and in shipping Safari. Also, marking as INVALID, because we currently believe this issue to be below WebKit is system frameworks.
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