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Versions and item data

Use each version's native item format. Forge 1.20.1 uses NBT, for example minecraft:diamond_sword{Damage:3}. NeoForge 1.21.1 and 26.1.2 use components, for example minecraft:diamond_sword[minecraft:damage=3]. No legacy item-NBT converter is provided.

Wallet/shop records retain complete item data and counts. Component removals and component values are meaningful; a plain item ID does not capture every variant. The storage matcher ignores the mod's pickup bookkeeping while retaining other component differences.

Player and world save data may still use NBT containers: that is distinct from Minecraft's item component format. Existing 1.20.1 world files must not be opened by another Minecraft version for migration testing.

The 26.1.2 node is enabled and uses NeoForge with Java 25 and its matching KineticCore build.

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