The free 1.4 update, which accompanied the DLC, brought several major base-game overhauls:
The country pack for Hearts of Iron IV , released alongside the 1.4 "Oak" patch , focuses on the nations caught between the competing ambitions of Nazi Germany and the Soviet Union. Version 1.4.2 was a follow-up stability update that refined the mechanics introduced in this expansion. Key Features of Death or Dishonor
This pack introduces content primarily for Central European and Balkan "minor" powers. Hearts of Iron IV Death or Dishonor v1.4.2
: Adjustments were made to how nations surrender, including the ability to stop a capitulation by reclaiming enough territory and the capital. Critical Reception
: New impassable terrain, such as the Sahara Desert, changed how warfare is conducted in North Africa. The free 1
: A complete redesign of the air combat interface, mission selection, and wing management on the map.
: New levels of puppetry and autonomy specifically for fascist regimes. Changes in Version 1.4 "Oak" : Adjustments were made to how nations surrender,
: Players can upgrade or repurpose older military equipment (e.g., converting captured tanks into tank destroyers) rather than simply retiring them.