Hearts Of Iron Iv V1.15.1 !full! Jun 2026

Players looking to dive back into the 1.15.1 version for specific mod compatibility can still do so through the Steam Library properties by using the "Beta" tab to roll back their game version.

: The base convoy cost for Underway Replenishment was reduced by approximately 20% (from 0.35 to 0.28 per fuel), aiding naval logistics for blue-water navies. Hearts of Iron IV v1.15.1