patch · May 20, 2025

Stellaris Patch 4.0.11 Overhauls Rogue Servitors and Fixes Multiplayer OOS

Stellaris patch 4.0.11 drops with bug fixes, economic rebalancing for Rogue Servitors, and stability improvements for multiplayer sessions.

Paradox Interactive has released Stellaris patch 4.0.11, deploying via Steam with checksum 3f89. The update targets multiplayer synchronization errors, Rogue Servitor balance issues, and persistent faction resource output.

Multiplayer Stability and Performance

The patch resolves out of sync issues related to ship behavior, FTL inhibitors, and pop group assembly tooltips. Performance optimizations reduce unnecessary recalculations of ship designs and automatically merge sub-species with identical traits and rights to lower total pop groups.

Rogue Servitor Rebalancing

Machine Intelligences no longer apply growth penalties to organic pops. Rogue Servitors now start with 2,000 Bio-Trophies instead of 500, and district specializations yielding unity jobs provide Bio-Trophy jobs instead of coordinator roles. Bio-Trophies now increase Job Efficiency for Complex Drones rather than raw resource output.

General Bug Fixes

Faction resource output no longer scales exponentially. Evosymbionts now display a proper description, eating babies grants correct DNA insights, and physics labs no longer require volatile motes for research. The Synaptic Lathe will once again purge pops correctly in new saves.

Why this patch matters

Patch 4.0.11 provides technical polish for Stellaris, stabilizing multiplayer sessions while adjusting Rogue Servitor mechanics.