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Stellaris
Steam News 19 March 20262mo ago

Stellaris 4.3.1 hotfix release (checksum f646)

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 foll…

Update log

Full Stellaris update

The complete published notes, normalized for clean reading and source attribution.

Extracted changes

2 fixes0 additions3 changes1 removal
  • Gameplay
  • Store
  • Compatibility
  • Performance
  • Fixes
fixedHello, 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.
changed4.3.1 should now be available via Steam and GOG, with MS Store following as soon as possible. Please find the change log below.
removed4.3.1 Hotfix​ Patch NotesThe Resume button on the launcher will no longer load incompatible saves, potentially ruining them. It will instead send you to the Main Menu.
changed4.3.1 Hotfix​ Patch NotesUpdated save compatibility to show the incompatible save icon for all pre-4.3 save games.
changed4.3.1 Hotfix​ Patch NotesStability and Performance ​
fixed4.3.1 Hotfix​ Patch NotesFixed corruption in modifier name generation that sometimes caused CTD when generating OOS logs.
Steam post image

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!

Source

Steam News / 19 March 2026

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