Nexon posted a patch for JMS version 344 upgrade to version 345.
You may download this patch from their official site and begin creating your pre-patcher now.
Extractions and database updates will be forthcoming (if supported)!
Size: 361335164 (bytes) (344.60 mb)
Want quick and easy notification of just patches & updates? Follow PatchWatcher on twitter, or visit http://www.PatchWatcher.net/ and monitor just the patches you're interested in.