Created a custom world for both topside & caves... set depth worms to none for caves, but after 3rd time entry into caves from topside, they spawned in?
Steps to Reproduce
Custom Set Caves --> Depth Worms to "None" --> Enter Caves 3rd time after day 50 or so...
Status: Known Issue
We are aware of this issue and have it logged internally but either we do not have a fix ready yet or we are not planning on addressing the issue in the immediate future.