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Bug
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Resolution: Won't Fix
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None
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1.21.4 Pre-Release 1
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None
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Community Consensus
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Lighting
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Important
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Platform
Steps to reproduce
- Create a debug world in 1.21.3
- Upgrade it to 1.21.4 Pre1
Observed results
- Some blocks get 0 light level
Expected results this wouldn't happen
Possibly related: MC-278399
