Marathon Update 1.0.0.4 — Bungie Nerfs UESC AI, Thermal Scopes, & More | ObjectWire

Bungie has deployed Marathon Update 1.0.0.4 on March 11, 2026. The first major balance pass reduces UESC enemy health by 10–15%, cuts boss shield HP by 25%, nerfs thermal scope range from 180m to 100m, and adds Med Cabinets and Munitions Crates to the Perimeter map. Full patch notes breakdown.