Ostranauts Hotfix Patch (0.12.1.8) Is Live!
Hotfix patch 0.12.1.8 for Ostranauts focusing on save-game size reduction, NPC pruning stability, and NPC transit behavior.
Images © Ostranauts via Steam
◆Other changes6
- Save system / memory management
- Added code to prune expired items and people from game memory and save files on save game to reduce save file growth over time.→Reduced bytes / relative
- Bugfix to ensure deleted objects are not retained in save data, preventing unbounded memory growth and potential load failures.→Lower
- NPC pruning / Respawn tools
- Fix to ensure prune/respawn tools interact correctly with save data; previously pruning could stop loading or not reduce size as expected, now the process should correctly clear NPCs and drop save size on re-save.→Effective
- Respawn Ship tool now cooperates with pruning, allowing repeated application to further reduce saved data size.→Effective
- NPC transit systemNPC transit now prioritizes moving to lower population districts to balance NPC distribution, especially helping OKLG districts stay balanced.→prefer lower population districts
- Pre-debug prune loadingIf you loaded a pre-debug-pruned save, loading should succeed and re-saving reduces save file size further.→Works after 0.12.1.8
subjects affected (4)
tap to see balance history
Patch history
- →Roster Helmet Toggle and Hour Indicator, Autotask Stillness, Tracking Alarm FixJul 17, 2026 · 1mo
Hotfix 0.15.1.17 adds helmet auto-removal toggle, an hour indicator in the roster, keeps captain/crew still when Autotask is off during free time, and silences tracking alarm when controlling crew on a station.
- Fix for Random Pausing, Battery Swap BugJul 14, 2026 · 1mo
Hotfix 0.15.1.15 fixes random pause bug and battery swap reliability, plus debugging log spam cleanup.
+1→ - Overheating Reactors, Ship Instadeath, and Other FixesMay 8, 2026 · 3mo
Hotfix addressing overheating, ship explosions, weapon accuracy, AI targeting, and reactor behavior with several reliability and UI fixes.
+3→ - →Fire guardrails, and emotional clobber reliefApr 24, 2026 · 3mo
Hotfix addressing unintended fire ignition and rapid emotional clobber events, with save compatibility note.
- Everybody's Ugly, Poofing Items, and Other FixesApr 23, 2026 · 3mo
Hotfix v0.15.0.19 for Ostranauts fixes loot RNG bug, disappearing items, LA Aerostat duplication, NPC undocking issues, and various null reference fixes.
+1→ - →Hotfix (0.15.0.18) for nulls and other issues reported in Fire in the HoldApr 22, 2026 · 3mo
Hotfix 0.15.0.18 for Fire in the Hold fixes several stability, UI, and flow issues including docking safety, NAV visibility, encounter flow, null references, and tutorial resilience.
- →Hotfix for null reference in ship piloting tutorialApr 21, 2026 · 3mo
Hotfix addressing a null reference during ship piloting tutorial transit undock step.
- Fixes for Broken Ships, Selection Dragging, and WhodunnitOct 10, 2025 · 10mo
Hotfix v0.14.5.15 fixes selection dragging, ship loading and naming, whodunnit stability, and maintenance refill adjustments to reduce overfill.
+4→
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