Minor changes
- Adding function to focus last active descendant if it exists (PR #31140 by stevencomsft)
- ActiveDescendantChangeEvent for tracking active item (PR #31149 by jurokapsiar)
- Bump @fluentui/react-tabster to v9.21.0 (PR #31231 by bsunderhus)
Patches
- Updating ActiveDescendent scrollIntoView logic to work with ancester scroll containers and scroll margin styles (PR #31158 by stevencomsft)