Hearts of Iron IV Patch 1.12.8 Live on Open Beta Branch; Balancing Changes, AI Tweaks, and More

Hearts of Iron IV
Hearts of Iron IV Paradox Interactive

Hearts of Iron IV's latest patch is now live, but only on the open beta branch. Thus, all the changes and fixes mentioned below are not available on the main build of the game. Patch 1.12.8 brings several balancing changes to the Tank and Plane Design. The AI and modding aspect of the game has been touched upon as well.

You can read the highlights of the update below.

  • Tank Design: Radio modules curve slightly changed, overall efficacy of radios reduced slightly
  • Tank Design: Close Support Gun now has 10 piercing, from 12.
  • Tank Design: Heavy Machine Gun now has 8 soft attack from 5, and 6 piercing from 10
  • Tank Design: Secondary Cannon and HMG now have fewer drawbacks but higher production cost. HMG soft attack now 4, from 3, but hard attack removed
  • Tank Design: Additional Machineguns soft attack reduced to 1, from 2
  • Tank Design: Easy Maintenance module now reduces total build cost by 5%, but requires 30 XP, from 10
  • Tank Design: Expanded Fuel Tanks now cost 1 IC, from 2
  • Tank Design: Sloped Armor now increases armor by 25%, from 20
  • Tank Design: Medium One-Man Turret now has 8 breakthrough, from 10, and reduces soft and hard attack by 10%, from 25%
  • Tank Design: Three-Man Turret now has 24 breakthrough, from 20
  • Tank Design: Torsion Bar now grants 15% reliability, from 10%
  • Tank Design: Interleaved Road Wheels no longer reduces reliability, but has doubled production cost
  • Tank Design: Welded armor reduced to 30% armor, from 40%
  • Plane Design: Torpedo Mountings now have 14 naval strike attack from 12, -12 agility from -15, and 6 targeting from 5
  • Plane Design: Reduced the lower end of plane engine IC costs; earlier planes should be a little cheaper on the whole
  • In research screen for modular equipment (tank, ship, plane), stop showing a diff in stats when there is no design company attached
  • Soviet Union no longer desires to be best buddies with Romania despite being instructed to ignore them for a while
  • AI weights on hiring advisors now makes more sense. You should see a better split between political advisors & research bureaus, and the AI no longer saves all PP for hiring chiefs at the exclusion of all else. [This has a pretty radical effect on early AI build-up, thus there may be some imbalance in the early game in this open beta - feedback especially welcome]
  • AI have a higher weight on Captain of Industry advisors pre-1939

Hearts of Iron IV Patch 1.12.8 also features modding changes and bug fixes, which you can read on Steam.

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