4.3.2|Mar 20, 2026

4.3.2 Open Beta is now on stellaris_test [checksum 171a]

2/5 Minor

Empire Size penalties for Wilderness and Sovereign Guardianship are reduced alongside improvements to fleet engagement ranges and critical crash fixes.

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Key Changes

1Empire Size penalty from colonies halved for Wilderness
2Empire Size penalty from colonies for Sovereign Guardianship reduced by 25%
3Fleets now engage targets further from the system center, improving combat at system edges
4Fixed a crash related to particle system data overwriting
5Fixed a crash in diplomatic relation distance calculations
6AI space fauna designs now correctly include weapon components
7Renamed Infernal species to Thermophile in-game
8Visual fixes for Aberrant and Vehement Dimensional Portal glow colors
9Safety null objects added to several UI elements to prevent modding-related crashes
10Original soundtrack and Steam playlist music track order corrected

All Changes

🚀Gameplay Systems(1)

changeFleets: Fleets are now willing to fight further from the center of the system, particularly when targeting stationary objects at the edge.

⚖️Empire Balance(2)

buffWilderness: Halved the Empire Size penalty from colonies for Wilderness.
buffSovereign Guardianship: Reduced the Empire Size penalty from colonies for Sovereign Guardianship civics by 25%.

🎨Visuals & Audio(4)

fixAberrant Dimensional Portal: The Aberrant Dimensional Portal now glows with an orange light.
fixVehement Dimensional Portal: The Vehement Dimensional Portal now glows with a green light.
changeInfernal species: Renamed the Infernal species to Thermophile while in game.
fixSoundtrack: Reordered the music tracks in the original soundtrack and corrected the Steam playlist.

🤖AI Behavior(1)

fixSpace Fauna: Fixed a bug where the AI would generate space fauna designs that lacked weapon components.

💻Stability & Performance(2)

fixParticle System: Fixed an incorrect stride in the particle system that caused data overwrites and occasional game crashes.
fixDiplomatic Relations: Fixed a crash in diplomatic relation distance to border calculations that failed to handle invalid relations safely.

🛠️Modding(4)

fixSpinner UI: Added a null object to the Spinner UI element to prevent crashes if the element is not found.
fixOverlappingElementsBox UI: Added a null object to the OverlappingElementsBox UI element to prevent crashes if the element is not found.
fixListBox UI: Added a null object to the ListBox UI element to prevent crashes if the element is not found.
fixSmoothListBox UI: Fixed an issue where the SmoothListBox UI element did not use a null object properly, leading to potential crashes.

Summary

4.3.2 Open Beta Overview

This update for Stellaris focuses on refining balance for specific civics and origins, notably reducing the Empire Size burden for tall and wilderness-focused playstyles. It also addresses fleet behavior, ensuring ships engage targets more effectively at the edges of systems. Several stability improvements have been implemented to resolve crashes related to particle systems and diplomatic calculations, alongside safety checks for modded UI elements.

← OlderStellaris 4.3.1 hotfix release (checksum f646)Mar 19, 2026

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