Why is my 3 month old dwarven baby severely cave adapted?
Solution 1:
There is a bug that was solved on version 40.22, and it could be related to your issue:
- 0008655 - Babies get cave adaptation quickly.
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0008431 -
Dwarven babies born with cave adaption. Closed as duplicated of 0008655.
If your issue persists, it should be better to double-check if it is the case of reopen the issue or report a new one.