A maintenance patch focusing on save backups, numerous bug fixes for construction, AI, inventory behavior, and some QoL tweaks to the Ostranauts build and repair flow.
✚Bug fixes9
- Install/Construct bugs
- Fixed a bug where installs, uninstalls, and other actions could fail due to large target footprint.→large target footprint no longer causing failures
- Fixed an issue that could interrupt installs for RCS distro and cluster objects.→installs for RCS distro and cluster objects no longer interrupted
- Resolved bugs preventing installation of coolers and other large objects.→installations of coolers and other large objects no longer fail
- AI/Character behavior
- Fixed AI idle behavior so units move to haul parts toward repair or install jobs when appropriate.→AI no longer stands around; will haul parts to repair/install jobs
- Fixed a bug where items became inaccessible if attempted pickup while inventory was full; accessibility now respects inventory space.→items become inaccessible only if inventory full; previously could be blocked
- Inventory/UINearby item inventory grids will now stay open until the player walks away, improving usability.→inventory grid for nearby items no longer closes prematurely
- HVAC/Ship systemsResolved a crash related to HVAC sensor connections affecting the ship editor.→HVAC sensor connection crash in ship editor fixed
- ReactorsFixed a bug where reactors would use reactant canisters from other ships, preventing cross-ship leakage.→reactor canisters no longer taken from other ships
- Item/ground interactionsFixed a bug where canceled install jobs could leave items on the ground that could not be clicked.→canceled installs leaving items on ground bug fixed
◆Other changes5
- Save system
- Game now backs up the previous save file as captain_name.bak before generating a new save to prevent data loss during crashes.→backup created (captain_name.bak) before new save
- Save process now attempts to preserve old saves when a crash occurs during saving.→Added save backup workflow to mitigate crash data loss
- Inventory/UIOutliner text updated to keep more permanent items near the top for quicker access.→permanent items prioritized near top of list
- Door powerDoor power consumption adjusted to be more consistent with other appliances.→power usage adjusted to align with other appliances
- Nav stationNav station cheat sheet updated to mention auto-rotation-stabilize on Q/E for navigation convenience.→notes added about auto-rotation-stabilize on Q/E keys
subjects affected (9)
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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