UCExchange

🚀 UCExchange – Update 2.0.0 for 1.21.11

✨ Major Feature & Stability Update

✅ Added full support for Paper 1.21.11 ✅ Added a dedicated Java 21 build ✅ Added SQLite and MySQL transaction storage ✅ Added complete in-game exchange management ✅ Added administrator permissions ✅ Added detailed exchange tracking and audit logs

⚙️ Technical Changes

🔧 Updated for Paper 1.21.11 ☕ Compiled with Java 21 ⚡ Improved asynchronous database operations 🛡 Improved Vault payment validation 📊 Updated bStats integration with plugin ID 30365 🧩 Updated PlaceholderAPI support 🗃 Added automatic local and MySQL database setup 📁 Added a dedicated audit.log file

🛒 New In-Game Administration

Administrators can now:

✅ Create item-to-money offers ✅ Create item-to-item offers ✅ Use held item stack amounts as exchange quantities ✅ Activate offers directly in a selected menu slot ✅ Delete configured offers ✅ Display the configured offer list ✅ View recent transaction history ✅ Force a daily market rotation ✅ Reload the plugin without editing files manually

🔐 New Permissions

Added separate permissions for:

Viewing the admin menu Editing exchange offers Viewing transaction logs Forcing rotations Reloading the plugin

The global ucexchange.admin permission grants access to all administrative features.

📋 Transaction Tracking

Each exchange can record:

Player name and UUID Offer type Input item Input quantity Reward item Reward quantity Money reward Total number of exchanges Date and time Server name

🔒 Fixes

🛠 Fixed item loss when economy transactions fail 🛠 Improved inventory security against invalid clicks 🛠 Added transaction rollback when necessary 🛠 Fixed plugin version inconsistencies 🛠 Improved configuration loading 🛠 Improved stability during server shutdown 🛠 General code and performance improvements

🧩 Platform Support

This build is compatible with:

Paper 1.21.11 Compatible Paper 1.21.x environments

⚠️ Important

This build requires:

Java 21 or newer Vault A compatible economy plugin

Do not use the Java 25 build on a Java 21 or Java 22 server.

For Paper/Folia 26.1.x, use:

➡️ UCExchange-2.0.0-26.1.jar