Still problem in 1.13pre8
I attached a Crash log
You're right i tried it on a World where i have a datapack that fills the chests permanently thats why i dont had empty chests after merging something
Well it doesn't i swear you dont even tried because i use it in a datapack and it works ^^
But if you think it Clears the Inventory tell me why?
There is no reason why the whole Inventory should be cleared
after this command because i just Modify Slot:0b (the first slot)
Well this would be the best workaround for that bugg
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execute as @e[type=minecraft:chest_minecart,limit=1,nbt=!{Items:[{Slot: 0b}]}] run data merge entity @s {Items:[{Slot:0b,id:"minecraft:dirt",Count:1b}]}
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Well... How about make it more Complicated? xD
Its True Villager dont breed
MInecraft 1.13 Fixed it, you can Close it