Internal Version Numbers: Nexon uses internal build numbers (e.g., v.200, v.210) not public "V###" labels.
Private Servers: Some emulators (v83, v117, v155, v218) use version numbers in their names. "v111" might refer to a specific private server source (e.g., OdinMS v111).
Current Global Version: Updated ~every 6 weeks. Check maplestory.nexon.net for latest patch notes.
If you're looking for a specific private server version, specify the server name. For official content, describe the update/theme (e.g., "5th Job," "Arcane River," "Grandis").