NEW 226354
VisualViewport fires lots scroll events for 0.5px offsets when scrolling on Retina iOS device 
https://bugs.webkit.org/show_bug.cgi?id=226354
Summary VisualViewport fires lots scroll events for 0.5px offsets when scrolling on R...
Simon Fraser (smfr)
Reported 2021-05-27 13:38:39 PDT
Created attachment 429921 [details] Testcase When not zoomed, we should not be firing scroll events on the VisualViewport. However, we do, because of some 0.5px difference between the layout viewport and visual viewport, probably due to rounding. See testcase, test on iPad.
Attachments
Testcase (1.51 KB, text/html)
2021-05-27 13:38 PDT, Simon Fraser (smfr) 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2021-05-27 13:38:58 PDT
<rdar://problem/78584763>
Simon Fraser (smfr)
Comment 2 2021-05-27 13:39:21 PDT
We also fire events on rubberbanding.
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