This works on both the lit and unlit candle variations of the candle cake blocks. This is inconsistent with other block variations which do not drop any item when broken or the use item key is pressed.
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migrated
migrated
Works in normal worlds too
[Mod] markderickson
Additionally, debug worlds are not meant to be interacted with (including game mode changes or changing block states), so any issues you find there after interacting will be resolved as Invalid, unfortunately.
Duplicate of
MC-203568