For your data secure, you always should create a backup for QuickShop plugin datas.

Optimize:
1. Reduce some duplicate and useless checks/code.
2. Caching chunk object to save 100ms~ time spend on Virtual DisplayItem.
3. Virtual DisplayItem now is FULL ASYNC.
4. Disable DebugLogger when not in dev-mode.
5. Bypass all display checks request if Virtual DisplayItem was selected to boost speed.
6. Optimize SentryErrorReporter performance.
7. Caching Tax account OfflinePlayer object to prevent lagging.
8. Use queue for Virtual DisplayItem to reduce CPU Time cost when creating and executing tasks was scheduled on server-thread.
It also prevent our details overflow Integer.MAX_VALUE and turn to NaN on timings.....

Add:
1. New command /qs export to allow user export all shops data to a TXT file.
2. New command /qs recovery to allow user recover shops data from exported TXT file or even Paste! It can save your database in accident.
3. Now will auto create pastes when server booting up and shutting down, to save your databases and configurations and allow you restore them from paste.

Enjoy!