TreeA11y

Accessibility

Here are some accessibility edge cases scenarios we identified and users should keep in mind while using the Tree components.

NVDA

1. Single select tree - narration of grouping #15290
2. Single select tree - narration aria-selected makes verbosity with redundant "selected" #15289

VoiceOver/Chromium

1. Issue 1273540: Tree as table in Mac > VoiceOver narrates " 0 items enclosed " when user navigates to expaded treeitem
2. Issue 1273544: Tree as table in Mac > VoiceOver doesn't narrate aria-labelledby element on treeitem

VoiceOver

1. Bug 8223307: VoiceOver doesn't narrate level of tree
2. Bug 8223375: VoiceOver doesn't list tree/table in the rotor iOS
3. Bug 8232232: iOS : VoiceOver - Select tree with checkboxes - no narration of ticket/unticked state

JAWS

1. Treeview - JAWS doesn't narrate position for each tree item #338
2. JAWS doesn't narrated "toolbar" keyword in navigable treeitem with actions buttons #747

Narrator

1. Bug 45975192: Single select tree - narration aria-selected makes verbosity with redundant "selected"
2. Bug 46020629: Select tree with checkboxes - no narration of checked state
3. Bug 46020726: Select tree with checkboxes - no able to toggle check state with space in scan mode