[Webkit-unassigned] [Bug 226321] Animation FPS drops if SVG changes from becomes visible from opacity 0

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=226321

--- Comment #3 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
The SVG takes over 500ms to render on iPhone 7 Plus because of the filters (largely the gaussian blur). There's a layering change when opacity and/or transform transitions finish, which triggers a second paint of the SVG which is the visible stall.

Some `will-change:` should fix this. Or you could remove the filters, since (in this example at least) they don't do anything visible.

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