[Webkit-unassigned] [Bug 245212] New: AX: Dynamic changes to subtrees of AccessibilityNodeObjects can cause missing or stale content

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245212

            Bug ID: 245212
           Summary: AX: Dynamic changes to subtrees of
                    AccessibilityNodeObjects can cause missing or stale
                    content
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tyler_w at apple.com
                CC: andresg_22 at apple.com,
                    webkit-bug-importer at group.apple.com

AccessibilityNodeObject is missing a few key method implementations that can cause incorrect AX tree construction (either missing or stale content) after dynamic page updates. These methods are:
  - updateChildrenIfNecessary
  - setNeedsToUpdateChildren
  - needsToUpdateChildren
  - setNeedsToUpdateSubtree

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