[Webkit-unassigned] [Bug 219440] New: AX: VoiceOver on MacOS ignores aria-checked value change on menuitemcheckbox role

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219440

            Bug ID: 219440
           Summary: AX: VoiceOver on MacOS ignores aria-checked value
                    change on menuitemcheckbox role
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: macOS 10.15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lei.yang1123 at gmail.com
                CC: webkit-bug-importer at group.apple.com

Created attachment 415234

  --> https://bugs.webkit.org/attachment.cgi?id=415234&action=review

VoiceOver on menuitemcheckbox role

A link to replicate the issue: https://www.w3.org/TR/wai-aria-practices-1.1/examples/menubar/menubar-2/menubar-2.html. Notice two issues exists.

   The Bold / Italic menu items under Style/Color column has menuitemcheckbox role, the Voice Over in MacOS will incorrectly read it as '1 Bold checked menuitem' when the menu item is selected. 

   Another issue I notice is when select / deselect menu item with menuitemcheckbox role, its 'aria-checked' property will change based on the selection, but voice over ignores this 'aria-checked' status change.

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