[Webkit-unassigned] [Bug 218463] New: guard UIScribbleInteraction class property observing behind a LOA check

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218463

            Bug ID: 218463
           Summary: guard UIScribbleInteraction class property observing
                    behind a LOA check
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: drousso at apple.com
        Depends on: 212580

it's been reported that some apps swizzle `-[NSObject addObserver:forKeyPath:options:context:]` without support for the fact that the object can be a class rather than an instance


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=212580
[Bug 212580] CSS "any-pointer:fine" media query false on iPad/Pencil
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