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Gigmaster

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May 7, 2025
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Description
Stellaris [4.0.17 beta] [9355] - Zookeepers Not Benefiting from Domestication's Astrozoologer Tradition

Game Version
4.0.17-open-beta

What version do you use?
Steam

What expansions do you have installed?


Do you have mods enabled?
No

Please explain your issue is in as much detail as possible.
Astrozoology states that it grants +50% additional resources from Zookeepers. This bonus is not applied to the Zookeeper job.

Considering that in 4.0.X Zookeeper became a 'replacement'-type job for Biologists, I'm guessing that's because the code for pop specialist jobs broke the modifier planet_zoo_keepers_produces_mult under tr_domestication_astrozoology in 00_domestication.

Confirmed this in 4.0.16 as well, as well as with and without UI mods.

Steps to reproduce the issue.
1. Start the game with Nascent Stage pop trait (easiest way to get 'zoo-able' pre-sentients on your capital at game start).
2. Research Alien Zoo, build an Alien Zoo and note biologist swap to Zookeepers.
3. Research or start with Artificial Breeding, select the Astrozoology tradition under Domestication and confirm the +50% bonus output is not listed in the job tooltip or reflected in planet output or empire research values.

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