Lava doesn't spawn under Y=0, It can still spill there from higher places or get to about Y=-1 and Y=-2 from lava lakes that appear on Y=0 or a bit higher. Tested on both free server host and single player world.
MC-215377
Lava doesnt spawn under Y=0
Resolved
Duplicate
0
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We're tracking this issue in MC-214781, so this ticket is being resolved and linked as a duplicate.
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