atched
Stellaris

Stellaris

Paradox Development Studio / Paradox Interactive

Strategy

A sci-fi grand strategy game where players explore a procedurally generated galaxy, interact with alien species, and expand a spacefaring empire.

Patch History (16)

2/5 Minor1d ago

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

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

2/5 Minor2d ago

Stellaris 4.3.1 hotfix release (checksum f646)

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

5/5 Game-Changing1w ago

Stellaris Dev Diary #412 - 4.3.0 ‘Cetus’ Preliminary Release Notes

Stellaris 4.3.0 'Cetus' introduces a massive naval and economic overhaul, increasing ship naval capacity usage by 5x while halving tech costs and significantly optimizing game performance.

4/5 Significant2w ago

Stellaris 4.3 "Cetus" Open Beta Updated (2026-03-06)

The experimental Factions and Ethics system has been removed for further development, alongside a major rework of Technocracy and severe new penalties for Zro deficits.

4/5 Significant2w ago

Stellaris 4.3 "Cetus" Open Beta Updated (2026-03-04)

Major rework of the Pop Group system to improve performance and UI clarity, alongside a significant overhaul of the Synthetic Fertility origin and Luminary leader traits.

3/5 Moderate3w ago

Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-26)

Mutagenic Spas and Biomorphosis receive major balance overhauls alongside significant trade buffs for Starbases and a fix for Planet Automation.

4/5 Significant3w ago

Stellaris Dev Diary #411 - Our Next 4.3 Experiment

Major overhaul to Pop Ethics allowing mixed ethics within single pop groups, alongside significant balance reworks for Mutagenic Spas and the Biomorphosis ascension path.

4/5 SignificantFeb 19, 2026

Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-19)

Multiple End Game Crises can now overlap with a 25-year delay, alongside a major rework of the Aptitude Tradition and Mutagenic Spas civic.

3/5 ModerateFeb 12, 2026

Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-12)

Ship combat behavior receives a major overhaul alongside significant buffs to Lithoid starts and the Police State and Aristocratic Elite civics.

4/5 SignificantFeb 6, 2026

Stellaris 4.3 "Cetus" Open Beta Updated (2026-02-06) [Checksum 2e59]

The Eater of Worlds Covenant receives a massive mechanical rework with a new Doom Intensity system, while Driven Assimilators see a huge job boost to Augmentation Centers.

4/5 SignificantFeb 5, 2026

Stellaris Dev Diary #410 - 4.3 Performance Comparisons

The 4.3 'Cetus' update delivers massive performance gains, reducing early-game year times from 30.5s to 11.5s, alongside a complete rework of the Eater of Worlds Covenant.

4/5 SignificantJan 30, 2026

Stellaris 4.3 "Cetus" Open Beta Updated (2026-01-30)

Major balance overhaul for the Cetus Open Beta, featuring a massive 33-50% reduction in Crisis fleet power and a comprehensive buff to Cybernetic Ascension mechanics.

3/5 ModerateJan 22, 2026

Stellaris Dev Diary #409 - The 4.3 ‘Cetus’ Open Beta Continues

Massive performance optimizations for event processing and ship modifiers alongside a balance pass for the Cutholoid encounter and Scorched World Heralds civic.

3/5 ModerateJan 15, 2026

Stellaris 4.3 "Cetus" Open Beta Updated (2026-01-15)

Ground combat receives a major overhaul with tech-based stat scaling, while the Cybernetic Creed origin and Driven Assimilators see significant balance adjustments.

5/5 Game-ChangingDec 19, 2025

Stellaris 4.3 "Cetus" Open Beta Updated (2025-12-18)

Stellaris 4.3 'Cetus' introduces a complete Refugee Attraction system and a massive overhaul of Naval Capacity, increasing ship usage by 5x while halving tech costs.

5/5 Game-ChangingDec 11, 2025

Stellaris 4.3 "Cetus" Open Beta now available

The 'Cetus' Open Beta introduces a massive naval capacity overhaul with 5x ship usage costs and a fundamental economic rebalance to curb power creep.

Quick Stats

Total updates
16
Last update
1d ago
Platforms
pc, playstation, xbox

Official Source

View official patch notes