Why: U4 landed via Dev PR #368 (merge 7aa8fd9). Evidence: Dev PR #368 merged; CI green. Impact: status line + U4 progress + INDEX only. Refs: Dev PR #368
Why: U4 landed via Dev PR #368 (merge 7aa8fd9). Evidence: Dev PR #368 merged; CI green. Impact: status line + U4 progress + INDEX only. Refs: Dev PR #368