RESOLVED INVALID208270
Overflow scrolling should not require event region rebuilding 
https://bugs.webkit.org/show_bug.cgi?id=208270
Summary Overflow scrolling should not require event region rebuilding
Simon Fraser (smfr)
Reported 2020-02-26 15:40:31 PST
We should avoid rebuilding event regions on overflow scrolling. It's expensive and should not be necessary.
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Radar WebKit Bug Importer
Comment 1 2020-02-26 15:40:53 PST
<rdar://problem/59824741>
Simon Fraser (smfr)
Comment 2 2020-06-26 16:35:34 PDT
I confirmed that we don't invalidate event regions on scrolling.
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