IMPORTANT: Feature requests will only be added to the latest supported Minecraft version.
Is it possible to get this for 1.12.2 or shown a way to set up.

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Can you add a Dragon egg seed .cfg file as there is none and I have to grow it through farm land without crop sticks.
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Add a .cfg file for dragon egg seeds
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Sounds like you are asking for agricraft integration, which is not done by me. I'm not really sure how to set it up sorry.