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Stellaris
Stellaris
4.3.1|Mar 19, 2026
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Stellaris 4.3.1 hotfix release (checksum f646)

2/5 Minor

Hotfix 4.3.1 prevents save corruption from the launcher's resume button and restores the missing Paradox Account Avian portrait.

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Key Changes

  • 1Launcher Resume button now prevents loading incompatible saves to avoid corruption
  • 2Fixed a Crash to Desktop (CTD) related to modifier name generation
  • 3Restored the Paradox Account Avian portrait
  • 4Added incompatible save icons for all pre-4.3 save games

All Changes

🖥️UI/UX(2)

  • changeLauncher: Launcher Resume button now redirects to the Main Menu instead of loading incompatible saves to prevent potential save corruption.
  • changeSave Games: Incompatible save icons now correctly display for all save games created prior to version 4.3.

🎨Cosmetics(1)

  • fixAvian Portrait: Restored access to the Avian portrait granted via Paradox Account login.

⚙️Stability & Performance(1)

  • fixStability: Fixed a crash to desktop (CTD) caused by corruption in modifier name generation during OOS log creation.

Summary

Overview

Stellaris hotfix 4.3.1 addresses critical stability and save integrity issues following the 4.3 update. The primary focus is safeguarding player progress by preventing the launcher from loading incompatible saves and fixing a specific crash-to-desktop (CTD) scenario related to modifier name generation.

← OlderStellaris Dev Diary #412 - 4.3.0 ‘Cetus’ Preliminary Release NotesMar 11, 2026Newer →4.3.2 Open Beta is now on stellaris_test [checksum 171a]Mar 20, 2026

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