While there is no official , the sentiment that "creature reactions inside the ship are better" typically refers to the Version 55 "Cruising Update" or the more recent Version 80 "Blooming Update" . These updates significantly refined how entities interact with players who stay on the ship to monitor the radar.
They also implemented a memory cache . A creature in v152 remembers your last three actions. Did you miss a shot? It will rush. Did you use a medkit? It will try to wound you again. Did you run? It will cut you off via a maintenance shaft.
Don’t just take my word for it. Here is what the community is saying on the official forums:
Here is why the creature behavior in V152 is a significant step forward for the genre. 1. Environmental Awareness and Pathfinding
Certain high-tier predators can now pinpoint your location based on the echo of your footsteps, forcing players to prioritize stealth over speed. 3. Emergent "Stalking" Behaviors