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Patch Notes1 min read

Sins of a Solar Empire II Hotfix Update Notes for (16th April 2026)

A small but focused hotfix lands for Sins of a Solar Empire II, cleaning up some frustrating unit behaviour that's been tripping up both players and AI alike.

Nathan Lees
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A few bugs that had been quietly making fleet management worse than it needed to be are gone as of today. The April 16 hotfix for Sins of a Solar Empire II is a small patch, but the fixes it targets are the kind that quietly erode your confidence in the game's systems.

The headline fix is unit momentum: ships were losing their velocity between orders, grinding to a halt before re-accelerating rather than flowing naturally through movement chains. In a game built around large-scale fleet manoeuvring, that stop-start behaviour adds up. Also addressed is a loot collection bug where AI units would get stuck in a loop trying to grab loot they couldn't reach, plus a separate issue where units weren't earning XP from loot collection at all. Dense formation selection has also been tightened, and a pathfinding assert tied to AI obstacle navigation has been resolved.

Nothing here rewrites the meta, but the momentum fix in particular should make fleet control feel noticeably cleaner. Here's the full breakdown.

Full Patch Notes

  • Fixed unit momentum bug where unit velocity wasn’t being maintained in between orders. This would cause units to stop and then re-accelerate.
  • Fixed loot collection AI bug where AI units would get ‘stuck’ trying to collect loot. Enemy AI units should now properly try to destroy units near loot so they can collect it.
  • Fixed issue where units would not gain XP when collecting loot.
  • Improved cursor selection behavior when selecting units in dense formations.
  • Fixed unit pathfinding assert that could be caused by AI units trying to navigate around obstacles.
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Written by

Nathan Lees

Gaming journalist and founder of XP Gained. Covering patch notes, breaking news, and updates across 160+ games.

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