Ubisoft Introduces Big Changes for The Division's Single Player

Ubisoft has introduced a huge number of tweaks, big and small, to its third-person shooter, The Division.
Update 1.4 - detailed on the official The Division website - introduces World Tiers "that controls the level of enemy NPCs encountered and the quality of the loot they drop". This will help players level up without necessarily venturing into the game's notoriously tough PvP territory, the Dark Zone, or taking on Incursions.
The new World Tiers are set at levels 30, 31, 32, or 22. Tier 1 drop