Bug 208270

Summary: Overflow scrolling should not require event region rebuilding
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: ScrollingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED INVALID    
Severity: Normal CC: koivisto, simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Unspecified   
OS: Unspecified   

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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