[Webkit-unassigned] [Bug 221716] AX: VoiceOver incorrectly announces groups in ARIA tree instances as empty

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221716

--- Comment #5 from Todd Kloots <todd.kloots at gmail.com> ---
Created attachment 420478

  --> https://bugs.webkit.org/attachment.cgi?id=420478&action=review

Screen recording of the CodePen using Focus Navigation

This example demonstrates how VoiceOver does not announce "0 items enclosed" when using keyboard shortcuts implemented in JavaScript:

1. Start VoiceOver
2. Go to https://codepen.io/toddlr/pen/MWbbree
3. Use the tab key to move focus to the ARIA tree instance
4. Navigate the tree using the up/down arrow keys
5. Observe how VoiceOver does not announce the ARIA group with aria-owns as having "0 items enclosed"

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