It's brand new and apparently they don't have service parts for it yet, but it affects gen1 Titan/Armada and some Quests in addition to R51 Pathies and all their kin: https://nissan.oemdtc.com/1311/23e012-d ... ach-nissan
Yah, apparently the emblem plastic can degenerate and turn the emblem into low-grade shrapnel if the bag deploys. Moderately serious, but probably not life-threatening.