Hearts of Iron IV

Hearts of Iron IV

Ultra Historical Mod - Realism Overhaul
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Update: 18 Mar, 2024 @ 1:32pm

# Changelog

## Version 17.1

### Ship Design Decisions updated
- Designs and production lines generated will now have MIOs applied automatically
- Buckley Class gave Depth Charge Mortars without requiring tech. Decision now requires tech to be taken

### Soviet and Japanese Infantry Equipment access fixed
- Will now no longer start with access to medium mortars without researching

### Fall of France event fixed
- Decision will trigger at the right time
- Equipment sharing will be more consistent

### Ju 88S stats fixed

### AI faction joining updated

### Supermarine MIO trait errors fixed

### Supply System Update
- Maximum railway level increased
- Railway layout rationalised
- Chinese railway system entirely reworked
- Decision added for Polarbahn (German railway from Trondheim to Kirkenes)
- Railway construction cost reduced by 33%
- Supply Hub construction cost reduced by 20%
- Focus added to Japan to allow expansion of Chinese rail network via new decisions
- Italian Libyan railway decision duration reduced from 1200 days to 1100 days
- Dalian Port level was increased from 15 to 20
- Busan Port level was increased from 5 to 15

### Fixed oversights in Manchu
- Extraction decision no longer requires extraction 1 and extraction 3, only extraction 3
- Advisor Semyonov nerfed
- 20 convoys redistributed from Japan to Manchu

### China nerfs
- Propaganda nerfed to bring into line
- Starting infantry equipment reduced
- Large portion of starting infantry equipment converted to archaic equipment
- Additional 20% Reliability penalty applied to Chinese equipment

### Archaic Infantry Equipment Decision nerfed
- Increased cooldown from 30 days to 90 days

### Infantry Kit Reliability Update
- Reliability values squashed. Highest values are now 80%, instead of 89%, lowest values are now around 60% rather than below 50%

### Equipment Recovery Rate reduced
- Reduces the amount of lost equipment which is reclaimed following a battle

### Fixed Map Oversights
- Removed resources that were incorrectly ported from vanilla map changes

Update: 7 Mar, 2024 @ 2:06pm

## Version 0.17.0 - "Plan Z"

## Features
- HoI4 Patch 1.13 & 1.14 integrated
- HoI4 DLC AAT features integrated
- MIO system revamped & expanded for Ultra
- Naval MIO system heavily modified to represent slipyard restrictions for Capital Ships & Submarines
- Reworked Light Carriers, should be much more useful now
- Integrated & adjusted International Market
- Special Forces doctrine trees revamped for Ultra
- New unit types:
Glider-Borne Infantry; air-droppable light infantry
Mountain-Equipped Infantry; regular infantry using pack equipment
Commandos; highly elite special forces support battalion benefiting from multiple Special Forces doctrine trees
Amphibious Landing Craft Task Force; support battalion significantly improving amphibious capabilities but requiring:
- New equipment: 3 consecutive techs allowing to produce increasingly more advanced Landing Craft for the ALCTF & Marines
- AAT focus trees deactivated
- TOA focus trees deactivated
## Balance
- Massively rebalanced special forces organisation
- Lots & lots of minor stats changes
## AI
- Adjusted AI air strategy, should be more active now
## Bug Fixes
- Too many to list

Update: 6 Oct, 2023 @ 9:28am

Update: 29 Sep, 2023 @ 9:32am

Update: 22 Sep, 2023 @ 9:25am

Update: 4 Aug, 2023 @ 10:01am

Update: 29 Jul, 2023 @ 5:17am

hotfix

Update: 28 Jul, 2023 @ 2:09pm

hotfix

Update: 28 Jul, 2023 @ 2:06pm

hotfix

Update: 28 Jul, 2023 @ 9:16am