- Primary Subject: Marathon Patch 1.0.0.4
- Key Update: This patch primarily nerfed the "overpowered" UESC AI enemies and improved the item economy by increasing Med Cabinet and Munitions spawns.
- Status: Confirmed
- Last Verified: March 11, 2026
- Quick Answer: Marathon's 1.0.0.4 update reduces UESC enemy health, nerfs thermal scope range, fixes Rook's exfil bugs, and increases resource spawns on the Perimeter map to aid survival.
Marathon has received its first post-launch patch, and it's already guaranteed to improve the player's experience.
Bungie's latest extraction shooter was released on March 5, and while it saw major success during its launch date, it didn't take long for the player count to dwindle. Games such as Slay the Spire 2, which launched in early access, surpassed its concurrent player count within days.
With this update, hopefully, players will hop back into the game, as it aims to make fighting against AI enemies and environmental factors easier. Here is everything new from Marathon's 1.0.0.4 update.
Marathon 1.0.0.4 Patch Notes
Marathon's 1.0.0.4 patch is officially live, and they've made some major changes to enemy difficulty. One of the main complaints players had was how difficult it was to survive attacks from UESC enemies, with many saying it's easier to fight actual players.
UESC enemies have since been nerfed. Bungie stated it was done to help preserve ammo and med kits for players. However, this doesn't mean that they are now a breeze to kill - the developers still wanted to make them tough to beat.
READ MORE: How to Complete Introducing Sekiguchi in Marathon
They also changed the rate of Med Cabinets and Munition Crates spawning on the Perimeter map, so they should be easier to find in your next raid. Sponsored kits will also give you more starting ammo.
READ MORE: How to Get Finishers in Marathon
Below is a more in-depth look at the updates in this patch:
Item Economy Updates
- Increased the number of Med Cabinets and Munitions Crates that can spawn on Perimeter
- Increased the amount of starting ammo in MIDA, CyberAcme, and Arachne free Sponsored Kits
- Reduced the frequency UESC Grenadiers drop EMP grenades
Combat Updates
- Fixed an issue where players could sometimes die instantly in confinement events
- Fixed an issue where the shield break screen effects could constantly play when you had a heal over time effect and a damage over time effect on you at the same time
- Increased the range gunfire and explosions can be heard from
Weapon Updates
Thermal Scopes
- Reduced visual clarity on targets with thermal scopes
- Adjusted max distances for thermal highlight:
- Pistols: 40 meters (down from 55)
- Rifles/LMGs/SMGs: 60 meters (down from 65)
- Precision Rifles: 80 meters (down from 100)
- Snipers: 100 meters (down from 180)
Overrun:
- Increased default ammo capacity by 5
Runner Updates
Rook
- Fixed an issue where backpacks could be deleted when exfiling with Rook
- Fixed an issue where Rook’s position was not being displayed on the map screen.
- Increased CyAc reputation gain from exfilling with Rook
- Rook will now have the same Faction reputation bonus for exfilling that solo players receive
- Rook’s WSTR shotgun will now spawn as Compromised
- Compromised items require use of a Matter Fixative during the run to exfil with the item.
UESC Updates
- Reduced health of most UESC enemies and shield hp of UESC bosses by a small amount
- DEVELOPER NOTE: With this change we hope to alleviate some of the resource burden in both Solos and Crews when it comes to engaging UESC in combat. The goal here is to allow your bullets and meds to go further without reducing too much of the UESCs bite. We see the feedback loud and clear that players appreciate the friction that our UESC combatants provide and we have no plans to change that direction.
Contract Updates
- Increased default distance objective nav points appear from 10m to 20m
Introducing NuCaloric Contract
- Fixed an issue where enemy Crews could receive NuCal contract VO audio and subtitles from a long distance away
Introducing Traxus Contract
- Reduced the difficulty of the UESC Commander encounter
Zone Updates
Outpost
- Temporarily disabled switches access route to the Broken Wing on Outpost
- DEVELOPER NOTE: We are temporarily disabling the “Broken Wing” entrance into the Pinwheel while we make some tuning changes to it. In its current state it trivializes entrance into the Pinwheel. We are making some tweaks to maintain the spirit of the “silent” entrance while better matching the risk / reward of the Pinwheel.
- Runners can continue to take advantage of all other ways into the Pinwheel (including the additional silent method) in the meantime.
Marathon Rewards Pass and Store Updates
- Fixed an issue where Silk balances were not updating correctly without restarting the game
- Fixed an issue where bundle prices could be displayed incorrectly
- Fixed an issue where cosmetic items might incorrectly say “Savings” when they are full price
- Increased the LUX bundle from (1000 + 100) to (1000 + 120)
Stability Updates
- Fixed a rare issue that could cause dedicated server crashes
- Fixed several issues that could cause client crashes
General Fixes
- Fixed an issue where doors would lock preventing players from finishing the new player intro mission
- Updated the description of Perimeter (Beginner) on the Zone Select screen
- Fixed a bug where the Text Chat window could get stuck open
- Fixed a crash that sometimes occurred when attempting to use an IME Keyboard
- Fixed a crash that sometimes occurred when typing quickly with an IME Keyboard
- DEVELOPER NOTE: Some issues may still remain with third-party IME software and we are continuing to investigate. Windows built-in IME may be a temporary workaround for users who are experiencing issues while we work on a permanent fix.
- Adjusted the location of the IME keyboard to be closer to the Text Chat window
- Players will no longer see an extended black screen during the map load sequence
Will you be hopping on a Raid soon?
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