"Switching to UUIDs instead of names": Was: Storing data on player nicknames So: All data is stored by UUID Advantage: Nickname change protection, data stability
"Optimizing the data retention system": Added: The dataChanged flag for tracking changes Added: Auto-save with a configurable interval Added: Asynchronous data saving Advantage: Reducing server load, preventing data loss
"Improved LogManager": Added: Thread-safe date formatting via ThreadLocal Added: Asynchronous logging via ExecutorService Added: Correct log rotation Advantage: High performance, reliable logging
"Optimizing the cache of player names": Added: Automatic cache update when a player logs in Added: Name search via OfflinePlayer for offline players Advantage: Quick access to names, work with offline players