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Preserve companion mod data during 1.20.6 world upgrades - #538

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SkyBlade1978 merged 3 commits into
MinecraftModDevelopmentMods:master-1.20.6from
SkyBlade1978:feature/basemetals-1.20.6-shared-legacy-migration
Nov 10, 2026
Merged

SkyBlade1978 merged 3 commits into
MinecraftModDevelopmentMods:master-1.20.6from
SkyBlade1978:feature/basemetals-1.20.6-shared-legacy-migration

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This lets companion mods preserve their blocks and items when opening old worlds. Player item names and enchantments are restored before Minecraft converts the items to components. The Base Metals checks passed, and a copy of an original 1.10.2 Advantage save passed the upgrade and a full restart with the jars tested for release.

@SkyBlade1978
SkyBlade1978 merged commit e9d92f1 into MinecraftModDevelopmentMods:master-1.20.6 Nov 10, 2026
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