Recall 2.3: ethical walls, enforced at query time
Recall 2.3 moves ethical-wall enforcement from index time to query time. A search now sees exactly what the person searching is allowed to see, and nothing else, including in the ranking.
Review 3.6: severity tiers you can tune per practice area
Review 3.6 replaces the single risk score with three severity tiers, High, Medium and Note, and lets each practice group decide where the lines sit.