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