Hearts of Iron 4 (HOI4) Update 1.12.10 Patch Notes

A new Hearts of Iron IV update 1.12.10 is available on PC (Steam). According to the official HOI4 patch notes, the latest update adds Operation Sabre comes plenty of new bugfixes and some attention towards Bulgaria and Romania. Apart from this, HOI4 update 1.12.10 also includes various performance improvements.

Recently, a big Hearts of Iron IV update 1.12.0 was released that added balancing, AI improvements, and fixes. Unfortunately, since the last update, many players were experiencing a number of issues when trying to play. Today’s Hearts of Iron 4 update 1.12.10 will fix a few of these issues.

Read more details here.

HOI4 Update Patch Notes – February 16, 2023

Feature

• For easy and very easy difficulties, AI countries will transfer a part of their Peace Score to the human player(s)
• Puppets will transfer a part of their Peace Score to their Overlord (can be disabled with custom game rules)
• Faction members will transfer a part of their Peace Score to their Faction Leader (can be disabled with custom game rules)
• Countries with a low war participation score will transfer all their Peace Score to other countries (can be disabled with custom game rules)
• Make peace score redistribution game rules disabled by default

Balance

• Prussia of the Balkans rebalanced slightly, and more of the modifiers now scale as the spirit is upgraded
• Bulgaria now begins with the Mountaineers tech unlocked
• Bulgaria: National Railway Lines now take 35 days, from 70. Added two mutually exclusive focuses after this, choosing between exploiting aluminium resources (16 Aluminium) or natural gold deposits (stability + civ)
• Integrated designers navy spirit no longer gives double bonus and only gives research bonus for ship modules now
• Romania: several new focuses added which enable the possibility to manipulate which country leader will run the fascist party
• all countries will now build carrier aircraft if they have carriers, countries with low military factories are less likely to spend too much on fighters
• increased carrier aircraft wanted buffer for countries with carriers to 1.5x total deck space

UI

• Fixed various issues with tech tree on different resolutions
• Bulgaria’s default UI colour (used for allegiance/country unit banners) is now the same as their starting country colour
• Main menu Social Media buttons update

AI

• Added some scripted AI desires for land doctrines
• Fixed bug in how AI prioritises its construction queue
• Stop AI from queueing up more naval bases and railways if they are already waiting to be upgraded
• Italy will now be much less active on the French front for the first months of the war, unless France are losing badly, or Germany is under threat
• AI will check if it should afford the monthly cost of Improve Relations before attempting it
• USA colorado class battleships now obsolete in 1936

Modding

• add is_hired_as_advisor = yes/no trigger
• Make has_resources_in_country accept extracted and buildings parameters
• Add get_supply_vehicles and get_supply_vehicles_temp effects and triggers to check the number of trucks and trains
• Make the following triggers neutral – meaning they won’t impact the outcome of the trigger block they are in : log, set_temp_variable, print_variables, round_temp_variable, clamp_temp_variable, subtract_from_temp_variable, multiply_temp_variable, divide_temp_variable, clear_temp_array, add_to_temp_array, remove_from_temp_array, resize_temp_array, find_highest_in_array, find_lowest_in_array

Bugfixes

• Improved requirement tooltips for Mare Nostrum decision.
• Random country selection disabled when loading ironman saves
• Fixed incorrect dates for 1938 engine and armour techs
• Bulgaria’s unit names now use the spelling ‘Diviziya’, from ‘Divizija’
• Fixed issue in which Germany would get twice the amount of research bonuses via the focus “Treaty with the USSR”
• early cruiser hull no longer unlocks cruiser armour
• Aircraft Bomb tech now unlocks torpedoes
• Fixed incorrect role settings for amphibious drive module
• Fixing typo in Adopting Rumantsch country flag in Switzerland
• fixed incorrect templates for RO.57 aircraft
• Fix the capture and subsequent consequences for operatives when they get spotted on offensive missions
• Small fixes to Romanian focus tree additions