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# LifeWars - 0.1.9 Update This update fixes several item and command exploits, moves the ban system onto UUIDs so eliminations ## Security Fixes * **Heart Duplication**: Hearts are no longer identified by their display name. Previously any renamed Nether Star matching the configured heart name counted as a real heart, allowing unlimited free health. Hearts are now verified by a persistent data tag that cannot be faked * **Withdraw Overflow**: Fixed an integer overflow in `/withdraw` that let large amounts wrap around to a negative value, granting max health instead of removing it while also producing an enormous heart stack. Withdraw amounts ## Major Features * **UUID Ban Storage**: Eliminated players are now stored by UUID instead of name, so bans persist across name changes. * **Automatic Ban Migration**: Existing name-based entries in `BannedPlayers.yml` are converted to UUIDs on startup, with each conversion logged. * **Legacy Heart Conversion**: Older untagged hearts are fixed automatically on join and on use, verified by both name and lore so renamed items cannot qualify. Controlled by the new `gameplay.convertLegacyHearts` setting.