NEW 257924
[LegacySVG] Div floating across SVG leaves a white trail 
https://bugs.webkit.org/show_bug.cgi?id=257924
Summary [LegacySVG] Div floating across SVG leaves a white trail
Shaun
Reported 2023-06-09 17:11:33 PDT
Created attachment 466658 [details] Test Case Reduction Test case reduction— when a 1x1 div is floated over a 200x200 black rectangle, a white trail is created. html file of the jsbin attached: https://jsbin.com/fapebec/3/edit?html,output Real world— these visual artifacts occurred on our tooltips when hovering over SVG charts: https://github.com/metabase/metabase/pull/31494
Attachments
Test Case Reduction (750 bytes, text/html)
2023-06-09 17:11 PDT, Shaun 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Ahmad Saleem
Comment 1 2023-06-12 07:48:21 PDT
I am able to reproduce this with WebKit ToT (265056@main) as well.
Radar WebKit Bug Importer
Comment 2 2023-06-16 17:12:17 PDT
<rdar://problem/110925679>
Ahmad Saleem
Comment 3 2023-06-16 17:16:01 PDT
Just to comment - I tried WebKit ToT (265260@main) and turning on ‘Layer Based SVG Engine’ (LBSE) seems to fix this issue and does not lead any mouse trial. I think it is more of SVG issue compared to Layout & Rendering. CCing - Nikolas who is working on LBSE and might have more insight.
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