hotfix · October 2, 2026

Korea. IL-2 Series Hotfix 1.004b Patch Notes

Hotfix 1.004b for Korea. IL-2 Series resolves AMD graphics rendering errors, ranked server crashes, and unintended flight input triggers. The update also fixes career sortie saving and expands telemetry output.

The IL-2 Korea Team released hotfix 1.004b to address several high-priority issues identified after the deployment of update 1.004.

Stability and Input Fixes

The hotfix resolves dedicated server crashes that occurred during Ranked mode matches. It also fixes an issue that unintentionally triggered aircraft control inputs, such as engine shutdowns and fuel tank jettisons, when players opened the menu, briefing, or statistics screens while in flight.

Graphics and Career Mode

An issue with the rendering order of clouds and objects, including aircraft, on AMD graphics cards is now fixed. Career mode players will also find that sortie details now save correctly.

Telemetry and Data

Telemetry output generated for video creation now includes tracking data for both AI-controlled aircraft and other players' aircraft.

Why this patch matters

Hotfix 1.004b corrects critical stability, rendering, and UI input bugs for Korea. IL-2 Series players.