2026/09/17 Patch Notes

INTERACTION

1. Added unit-card portraits for Chariot drivers.
2. Fixed an issue where pressing the Space key in the top item bar could unintentionally trigger a click.

PERFORMANCE

1. Optimized the building and resource management systems to improve performance.
2. Reduced the performance cost of Worker state updates.
3. Reworked road buffs to reduce their performance cost.
4. Reduced performance overhead caused by inefficiencies in the attribute synchronization system.
5. Reduced performance overhead when playing visual effects.
6. Reduced performance overhead caused by repeated Worker notifications and unnecessary wake-ups.
7. Rewrote some UI Blueprints in C++ to improve performance.
8. Optimized some rendering methods to improve performance on low- and mid-range PCs.
9. Further reduced the memory usage of Wwise audio assets.

After these optimizations, a player save with a population of 3800 gained approximately 10 FPS at 1x speed on our test PC (from around 36 to 47 FPS), with frame generation disabled and all graphics settings set to High.

BUG FIXES

1. Fixed an issue where syncing or copying and pasting buildings with restricted areas, such as the Forestry Site, Constabulary, and Logging Workshop, could place their area boundaries outside the allowed range.
2. Fixed an issue where reopening a building panel with an empty custom name caused an incorrect building name.
3. Fixed a texture issue that could occur when building Walls in winter.
4. Fixed an issue where attacking Walls reduced the durability of defensive structures behind them.
5. Fixed an issue where road decorations could accumulate in one location when their placement was blocked.
6. Fixed incorrectly displayed building orientation arrows in some situations.
7. Fixed an issue where dismantling Walls in sections could leave behind ruins that failed to disappear.
8. Fixed an issue where the attack-range preview remained visible after closing a defensive building's panel.
9. Fixed stuttering caused by too many lingering silhouettes after large numbers of Chariots were spawned through unintended means.

UPCOMING UPDATE PREVIEW

During next week's maintenance, we will introduce more new content, including upgrades to 12 building systems, decoration placement, a loot system, and an all-new photo mode. We also plan a discount of up to 20% during the autumn sale in early October. Stay tuned!

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