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Sins of a Solar Empire II

PatchBot will keep your Discord channel up-to-date on all the latest Sins of a Solar Empire II patch notes.

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Latest Updates

Hotfix Notes for December 16, 2025

We've released a minor hotfix to address issues that have been reported since the initial v1.50 release. Change notes are below: Gameplay TECExtractors are somewhat over performing for all factions, so have been reduced in income. The TEC meanwhile, struggle a little with both Credit costs and the relative value of Trade in the middle stages of the game. Increasing the Credit income from Trade should help smooth the economic progression for the faction. With the Javelis now somewhat more...

Now Out: v1.5 Diplomatic Repercussions Update

Sins of a Solar Empire II v1.5 Free Update Releases Today New Update features revamped Diplomacy System, new Quick Start options, AI improvements and more for all who own Sins of a Solar Empire II View the full changelog ...

Hotfix Notes for October 6, 2025

  • Fixed bug where the AI was able to build Planet Cracker warheads with the faction victory condition disabled.
  • Fixed bug that prevented allies from using temporary phase lane stabilizers.
  • Fixed DLC being required to unlock achievements and added better prerequisite tracking.
  • Fixed bug where new notifications don’t pop priority notifications when the bar is full.
  • Replace all remaining player facing instances of "Super Capital Ship" with "Command Ship" ...

Hotfix for September 30, 2025

Widened lobby UI elements to better fit non-English text.

  • Fixed issue that could prevent DLC from working on Epic Games builds.

v1.45 Eivonn's Fine Update Now Available

Welcome to Eivonn’s Fine Update, which re-introduces our favorite used ship dealer as a new minor faction to the Sins II galaxy. Eivonn is all too happy to wheel and deal with those who want to purchase the finest ships of yesteryear. (All transactions final. No refunds.) In addition to Eivonn, we’ve made a number of quality-of-life UI/UX improvements this month, added two additional maps, updated gameplay balance, and some AI updates. One of the first visual changes you’ll notice are all new...

Hotfix Update Notes for August 11, 2025

Hot Fix Change Log (1.43.11)

  • Fixed bug that had missions loading during tutorials.
  • Fixed bug where mission triggers wouldn’t properly reset when a main chain would end.
  • Updated AI to allow it to build items on any unit that supports them.
  • Updated system to allow for flair effects to not be played during phase space, charging, or a period of time after (modding).
  • Updated system to allow flair effects to play when collecting loot (modding).
  • Setup missions uniform for modding. ...