1.9 Update | Hearts Of Iron 4

The single most significant change in 1.9 is the total removal of on-map garrisons. Previously, players suppressed rebels by parking cheap cavalry divisions in every occupied city—a tedious process dubbed the "Mongol cavalry horde".

: Resistance and compliance are now managed through an off-map system where you assign a template (ideally armored cars) to handle order. hearts of iron 4 1.9 update

: Occupation is now a constant drain on manpower and equipment. High resistance increases supply usage and attrition, forcing you to choose between aggressive expansion and stable borders. Espionage: Flavor vs. Tedium The single most significant change in 1

The DLC adds a full intelligence agency system, allowing you to recruit spies for various operations. The Biggest Problem With Hearts Of Iron 4 In 2026 hearts of iron 4 1.9 update