The bug
Growing a 2 × 2 spruce tree in a forest biome converts the dirt under the tree to podzol. Not sure if this works as intended as it did not happen in 1.12.2.
Linked issues
is duplicated by 11
relates to 2
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Comments 10
I feel like this is a feature, finally giving us the ability to grow more podzol without having to travel huge distances to find more.
This is plausible.
The podzolization occurs when having acid conditions like spruce needles, see https://en.wikipedia.org/wiki/Podzol
On the Minecraft Gamepedia it is stated that this a new feature. (See attachment)
It's a feature, see https://twitter.com/JasperBoerstra/status/986250634096758784
I think this was an intended feature, not sure though. I'm not mojang.