[Webkit-unassigned] [Bug 205383] New: Screen blinks after open html attachment

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205383

            Bug ID: 205383
           Summary: Screen blinks after open html attachment
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: iOS 13
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yodynak at softserveinc.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Minimum Steps to Reproduce:
1. load local html resource in WKWebView
F.e.:
        let htmlPath = Bundle.main.path(forResource: "index", ofType: "html")
        let htmlUrl = URL(fileURLWithPath: htmlPath!, isDirectory: false)
        webView.loadFileURL(htmlUrl, allowingReadAccessTo: htmlUrl)
2. Observe html file rendering process

Actual Result:
Content of file displays, screen starts to blink

Expected Result:
Content of file should be displayed without problems

Environment Details :
iPadPro iOS 13.3

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