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mc-fix-hardcoded-lava-level
Minecraft mod to fix MC-237017 (All caves are filled with lava at and below Y value -54) but doesn't break vanilla lava gen like https://github.com/Andrew6rant/MC-237017-Fix
This mod is server-side only, and does not require anything on the client.
caveats:
this fix changes the hardcoded lava level from -54 to 117 blocks under sea level, this should fix a lot of custom dimensions but some extreme ones might not be fixed with this
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[1.3.1] -54 hardcoded lava level fix 1.3.1
by warior456 on Sep 20, 2026
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- Updated for 26.3
- Fixed compatible versions
[1.3.0] -54 hardcoded lava level fix 1.3.0
by warior456 on Sep 02, 2026
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Updated for 26.2, with a new feature!
The datapack key
The datapack key
lava_level has been added as an optional way to set the lava level on a per-world basis. This overrides the config file when it is detected in the overworld's noise settings file, located at data/minecraft/worldgen/noise_settings/overworld.json. It functions as an absolute y-value, much like sea_level in vanilla.
[1.2.2] -54 hardcoded lava level fix 1.2.2
by warior456 on Jun 05, 2026
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- update to 26.1.2 (migrate mappings)
[1.2.1] -54 hardcoded lava level fix 1.2.1
by warior456 on Feb 13, 2026
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fix version labeling
[1.2.0] -54 hardcoded lava level fix 1.2.0
by warior456 on Feb 04, 2026
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add extra compatible versions and updated config
thx @mrburger for this pull request!
thx @mrburger for this pull request!
[1.1.0] -54 hardcoded lava level fix 1.1.0
by warior456 on Nov 21, 2024
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# report incompatible minecraft versions on github
- add config for how much below sea level (run mod once to see the config file in the config folder)
