ModernHDV 1.1.0 is a major technical update focused on stability, compatibility and recovery safety.

[+] Java 8 compatibility
[+] Spigot/Paper compatibility tested from 1.14 to 1.21.11
[+] Better async handling and less main-thread blocking
[+] SQLite/MySQL hardening
[+] Crash-safe purchase and listing flow
[+] Startup reconciliation for interrupted operations
[+] Improved payout / delivery / listing processors
[+] Auction category/material storage and DB backfill
[+] Faster pagination for categories, search and my auctions
[+] Automatic migration for old items-gui.yml keys
[+] Premium GUI keys auto-generated if missing
[+] Multiple GUI/admin/premium fixes

This version is mainly recommended for all existing users because it improves:
- database safety
- transaction recovery
- startup reliability
- old config/resource compatibility

If you update from an older version:
- keep a backup of your DB and config
- old DB structures are migrated automatically
- old items-gui keys are migrated automatically for known renamed keys