Hearts of Iron IV Avalanche Update 1.12.4 Now Live

By Abhinav Sharma Published 10/18/22 EDT

Hearts of Iron IV just got an important update today. Patch 1.12.4 brought a ton of balancing changes, along with several bug fixes. You can also expect a few changes to AI, performance, and database.

The war score per sunk convoy and sailor lost has been reduced to 0.05 and 0.001, respectively. The patch also increased the cost of 1938 and later air module tech; post-1936 air weapon tech dates are increased as well. You can read about all the balancing changes below.

Peace Conference

Reduced lend lease warscore gains and losses from fuel to 0.01 warscore per fuel to 0.001 warscore per 100 fuel
Reduced lend lease warscore gains and losses from equipment IC from 0.1 warscore per IC to 0.001
Reduced war score per sunk convoy from 10 to 0.05
Reduced war score offset from convoy production from 5 to 0.04
Reduced war score per ship IC sunk from 0.04 to 0.002
Reduced war score per sailor lost when a ship sinks from 0.02 to 0.001
Increased IC value of sunk ships when determining warscore from 0.002 to 0.004
Increased base province value from 0.3 to 2.0

Air Warfare

Fixed primary role of guided missile for large airframes (now sets naval patrol bomber)
Fixed aircraft naval strike mission module limits (light = 1 slot, medium = 2 slots, large = 3 slots)
1938 and later air module tech costs are higher
Air engine 4 is now 1944 tech
post 1936 Air weapon tech dates increased
All aircraft electronics module unlocks are one tech later
Reduced USA combined bomber offensive range increase
Reduced strategic bombing stat for large bomb bays
With BBA uk air focuses give less research bonuses but give doctrine discounts
Increased small/medium bomb bay weight
Reduced lmg turret weight
Fix incorrect mutliengine thrust for level 2 engines. increased torpedo weight. added speed malus to floats/flying boats
Rebalanced lmg and hmg for planes
Fixed primary role of guided missile for large airframes (now sets naval patrol bomber)