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# MyLogin v1.3.0 ## New Features * Added username case protection for offline-mode servers * Added duplicate session protection * Added username collision scanner * Added `/mylogin checkplayer` * Added `/mylogin stats` * Added `/mylogin scannamecollisions` ## Security Improvements * Prevents players from registering alternate username capitalization when case enforcement is enabled * Prevents duplicate active sessions using the same username * Added startup username collision detection and reporting * Improved login session cleanup on disconnect, kick, and shutdown ## Migration Improvements * Added migration overwrite protection * Existing MyLogin accounts are no longer overwritten by default * Added migration logging for migrated, skipped, and overwritten accounts * Added `migration.skip-existing-users` configuration option ## Configuration Improvements * Improved configuration migration handling * Improved reload behavior * Added username security configuration options ## New Configuration Options ```yaml security: enforce-name-case: false scan-name-collisions-on-startup: true block-duplicate-sessions: true migration: skip-existing-users: true ``` ## Compatibility * Java 21+ * Paper 1.21.x * Tested on Paper 1.21.11 * Compatible with modern Paper builds using the Bukkit/Paper API ## Migration From Passky Supports migration of existing Passky SHA-256 password data without requiring players to register again. ## Notes This release focuses on account protection, offline-mode security, migration safety, and administrative tooling. ## ⚠️ Important Upgrade Notice ### Username Case Protection If your server previously allowed multiple usernames that differ only by capitalization, you must manually clean up duplicate entries before enabling username case protection. **Example duplicates:** ```text SkyBuilder SKYBUILDER sKyBuIlDeR ``` Choose the account that should remain as the primary username and remove the duplicate entries from: ```text plugins/MyLogin/data/users.yml ``` **Example:** ```text Keep: SkyBuilder Delete: SKYBUILDER sKyBuIlDeR ``` After cleanup: 1. Save `users.yml` 2. Restart the server 3. Run `/mylogin scannamecollisions` 4. Verify that no collisions are reported **Failure to clean duplicate usernames may cause:** * Login protection conflicts * Inventory restore conflicts * Economy account duplication * Permission duplication * Claim ownership conflicts * inventory Backup and restore lookup issues The username you choose to keep becomes the permanent canonical username that players must use when connecting when username case protection is enabled. ### Existing Server Recommendation Before enabling: ```yaml security: enforce-name-case: true ``` Review: ```text plugins/MyLogin/data/name-collision-log.yml ``` Resolve all reported collisions and keep only one username variant for each player. This step is strongly recommended for existing offline-mode servers upgrading from older authentication systems. ### Related Plugins Servers using plugins such as: * AxInventoryRestore * LuckPerms * Economy plugins * Claim plugins * Backup plugins should verify that all player data is associated with the same username capitalization before enabling username case protection.

First official public release of MyLogin, a lightweight authentication plugin for Minecraft servers. Features Secure login and registration system Migration support from Passky (SHA-256) Pre-login player restriction system Protection against inventory interaction before login Blocks item dropping, pickup, and movement Prevents block break/place before login Prevents player damage and hunger loss before login Chat restriction before login Command restriction (only /login and /register allowed) Security Protections Before logging in, players cannot: Move or drag items Swap hotbar items Drop or pick up items Interact with blocks Run commands except /login and /register Send chat messages Compatibility Paper 1.21.x Spigot 1.21.x Java 21 Download Download the compiled jar from the Assets section below.