Here Comes The Swarm Patch Notes #4386

19 Mar 2026Developer post

Source: Steam Community (opens in a new tab)

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Thanks again, and enjoy the latest patch full of your feedback💛

Patch Notes. Build #4386

CHANGES & ADDITIONS

Added an Early Access welcome screen that appears on first startup.
Added the Active Roadmap to the main menu.
Removed RNG from Arcanum empowering. All essences connected to an empowered slot are now selectable.
Added the ability to spend fragments during Expedition runs when Arcanum editing is allowed.
Added a disclaimer indicating that Arcanum editing is not allowed during Infestation Expeditions.
Renamed Swarm Corruption to Game Length on the Expedition Game Over screen to match Skirmish settings.
Spell abilities are now disabled during construction, preventing use of Infusions and Radiant Nova while building.
The default empowered slot is now always filled with the Bounce Arrows essence.
Resource storage display increased from 9,999 → 99,999.

BALANCING

Research Dome – Wall Health Upgrade changed from +75 HP → +25%, allowing it to scale better with stone walls.
Science Lab – Wall Health Upgrade now only applies to stone walls and gates (no longer affects wooden walls).
Tiamman – Fortified Logistics blessing:
- Thorns increased 1.5 → 15
- No longer requires a core connection
Adjusted minor essences on Arcanum boards to better match their Deity and balance counts. All Deities now have 20 total minor essences.
Updated the cost of the 2nd talent row from 6 -> 7
Added additional lines to the Tiamman board.
Reduced chest pathfinding footprint from 4×4 → 2×2, making them less effective as blockers.
Increased Radiant Blast damage from 1000 → 5000.
Increased Pylon health from 50 → 100.
Updated Settlement Yield Essence:
- Removed the wood modifier
- Ruby yield increased 0.2% → 1%
- Gas yield increased 0.2% → 2.5%

TALENT UPDATES

Unit Range talent: attack range increased 20% → 25%.
Cheaper Ascension:
- Now also reduces wood and gas costs
- Cost reduction lowered 80% → 40%
Cheaper Walls:
- Now also reduces wood costs
- Reduction lowered 70% → 30%
Swapped talents:
- Red: Faster Towers with Green: Unit Maintenance
- Red: Cheaper Units with Red: Unit Range
Armor Penetration talent increased 2 → 5

FIXES

Fixed an issue where Burden: Barren Trees did not reduce forest wood yield.
Fixed a bug where supply radius visuals would not update when the supplier became inactive.
Fixed a bug where ragdoll velocity accumulated across uses, causing physics issues.
Fixed an issue where some Expedition UI elements did not scale properly with the UI scale setting.
Fixed a bug where selecting the first shrine option would add the second option twice to the pool.
Fixed various localization issues.
Fixed an issue where the tutorial achievement would not unlock.
Fixed a freeze when many buildings finished their Ascension upgrade while selected.
Fixed an issue where the menu Arcanum was used in Expedition Skirmishes instead of the Expedition one.
Fixed a bug where cost modifiers were not applied to walls and buildings.
Fixed a bug where Ascension upgrades did not apply cost modifiers.
Fixed an issue where Shotgun Essence was not properly filtered under the Tower category in the Essence collection.
Fixed an issue where the boss modifier displayed 0.25 instead of x0.25 on the end screen.
Fixed an issue where Worship ability costs did not increase with consecutive uses.
Fixed an issue where units were healed to full after loading a save game.
Fixed an issue where Scorpions could shoot from the edge of the map while still in fog of war.
Fixed an issue where the loading screen did not hide when loading a save with negative population.
Fixed an issue where resolution defaulted to the current monitor resolution instead of the previously saved configuration.
Fixed an issue where it was possible for actor health to become really large when taking very small amounts of damage
Fixed an issue where right-clicking an essence to return it to the collection, while the collection was scrolled, to put it on an offset position
Fixed an issue where the tunneler tooltip in the menu showed 5.00001 instead of 5