[Tree] NVDA does not announce selection state of nodes #2612
Description
Provide a general summary of the issue here
Summary
In the Multi Select variant of the Tree component, NVDA provides no announcement when a node is selected or deselected.
Problem
- NVDA users receive no information about whether a node is currently selected.
- This makes the multi-select functionality unusable for NVDA users.
- In the NVDA Speech Viewer output (see screenshot), only the node name, position, and level are announced — no mention of selected state.
Screenshot:
Proposed Fix
Ensure that the aria-selected attribute (or equivalent) is correctly applied and exposed for each node in multi-select mode, so NVDA announces the selection state whenever the node is focused.
Impact
- Without this fix, multi-select is inaccessible for NVDA users.
- Violates expected ARIA tree behavior and WCAG requirements for conveying state.
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DR
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SLDS