Bug 259308

Summary: Selecting text in large webpages is very slow
Product: WebKit Reporter: tellowkrinkle
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: bfulgham, megan_gardner, rniwa, simon.fraser, webkit-bug-importer, wenson_hsieh, zalan
Priority: P2 Keywords: InRadar
Version: Safari 16   
Hardware: Mac (Apple Silicon)   
OS: macOS 13   

tellowkrinkle
Reported 2023-07-18 09:13:10 PDT
To reproduce: 1. Load the Vulkan spec in Safari: https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html 2. Once it's finished loading, try to select some text 3. Do the same in Firefox Expected result: Selecting text doesn't lag Actual result: Firefox works fine, but in Safari, the highlight updates at a few fps
Attachments
Radar WebKit Bug Importer
Comment 1 2023-07-25 09:14:15 PDT
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