Core Keeper Patch Notes — May 20, 2026
Aggregated from Steam, cross-tracked with Battle.net coverage on GamePatchNote.
1.2.1.3 - Stability Patch
Gameplay
The following items can now be picked up with a hoe or shovel:
Explorer Proximity Sensor
Enemy Proximity Sensor
Materializer
Steam Achievements will no longer trigger if use of console commands is detected during a game session.
Modding
When creating a new Pooled Mod Graphical Object Bank instance, the default sizes will now be 8 for Initial Size, 8 for Max Free Size and 1024 for Max Size.
In game sessions where Quantum Console is enabled, after it has been opened once, players will only be prompted with a help text pop-up once. This pop-up will not appear in future sessions.
Fixed an issue that caused the Quantum Console to open if a player using a gamepad clicked specific buttons.
Performance
Changed some texture resolutions to improve memory usage.
Bug Fixes
Hovering Titan Breath's buff icon now displays the correct percentage.
Enemies that destroy tiles when they spawn can no longer destroy immune tiles.
Walls can now be placed on Explorer Proximity Sensor and Enemy Proximity Sensor.
Beds can now correctly be painted regardless of if the player is selecting the pillow or the sheets when attempting to paint.
The cookie called "Skip" can no longer be placed in Potion Pouches.
Pasting long texts in input boxes will now paste the part that fits instead of nothing.
Fixed an issue where it was not possible to navigate to a Sign's text field with a gamepad.
Fixed an issue where Nimruza spawned too many Cicada Nymphs.
Fixed an issue where Nimruza never healed up despite players being far away.
Fixed an issue where the key binding to toggle the shortcut window was not shown.
Fixed an issue where locked item slots remained locked when the item was dropped after the player died.
Fixed an issue where the Stone Lantern wouldn't emit any glow if painted with a Black Paint Brush.
Fixed an issue where the Wall Light Bulb couldn't be painted with a Teal Paint Brush.
Fixed an issue which made it possible to duplicate the Dynamite Pack and the Remote Explosive Pack.
Fixed an issue that caused the accumulated size of save files to cause a crash.
Improved the Cartography Table and fixed some issues related to it.