This is an archive of patch notes originally posted on 19 Mar 2026.

Stellaris

Stellaris 4.3.1 hotfix release (checksum f646)

Posted by PDX_ladydzra on

Hello,

A hotfix patch has been readied, aiming to fix a few issues plus add a clarifying step for players looking to resume their pre patch save games.

4.3.1 should now be available via Steam and GOG, with MS Store following as soon as possible.

Please find the change log below.

4.3.1 Hotfix​ Patch Notes

Improvement

  • The Resume button on the launcher will no longer load incompatible saves, potentially ruining them. It will instead send you to the Main Menu.

  • Updated save compatibility to show the incompatible save icon for all pre-4.3 save games.

Bugfix

  • Avian portrait granted by Paradox Account log in has returned.

Stability and Performance

  • Fixed corruption in modifier name generation that sometimes caused CTD when generating OOS logs.

Carry on!