Bug 214726
| Summary: | scroll-snap jumpy with playing video content | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Ben Ubois <ben> |
| Component: | Scrolling | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | jer.noble, mrobinson, simon.fraser, webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | Other | ||
| Hardware: | iPhone / iPad | ||
| OS: | Other | ||
Ben Ubois
Overview
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Scrolling is jumpy when playing a video inside of a container that uses `scroll-snap`.
Steps to Reproduce
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1. Visit https://codepen.io/asdf/full/WNrmdPK
2. Play the video
3. Scroll to the right and left repeatedly
Actual Results
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Scrolling appears to jump around with significant jank.
Expected Results
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Scrolling is smooth
Build Date & Hardware
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iOS 14 (18A5319i) iPhone and iPad
Additional Builds and Platforms
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- iOS 14 developer beta 1-3
- iOS 14 public beta
Doesn't Occur On
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- iOS 13 or previous
- Safari Technology Preview Release 110 (Safari 14.0, WebKit 15610.1.21.0.2)
Additional Information
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Here's a video demonstration: https://www.dropbox.com/s/i1jr4nul4uf15xh/scrolling.mp4?dl=0
Please let me know if there's any more information I can provide.
Thanks!
| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Radar WebKit Bug Importer
<rdar://problem/66063432>
Simon Fraser (smfr)
https://trac.webkit.org/changeset/264704/webkit may have fixed this
Martin Robinson
I'm not able to reproduce this with the latest from master.