Bug 221203

Summary: Blinking white stripes/blocks on scroll/zoom in PDF reader
Product: WebKit Reporter: Mish <mish>
Component: PDFAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: thorton, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 14   
Hardware: Unspecified   
OS: Unspecified   

Description Mish 2021-02-01 06:56:25 PST 
Blinking white stripes/blocks when scrolling through PDF pages

video: https://imgur.com/a/4fHLmhM
sample page:https://downloads.neuraldsp.com/file/quad-cortex/Quad%20Cortex%20User%20Manual%201_0_0.pdf
Comment 1 Mish 2021-02-01 07:15:23 PST 
Update, on zoom too: https://imgur.com/a/XhaNN8d
Comment 2 Radar WebKit Bug Importer 2021-02-08 06:57:13 PST 
<rdar://problem/74095134>