Release v1.9.4

[1.9.4] - 2025-09-30

Added

• New dependency management system with automatic library loading and relocation
• Caffeine cache implementation to replace Guava
• Sponge platform support with full event handling and command system
• UUID lookup functionality for player validation
• Enhanced kick checking system with scheduled task execution
• Support for Java 17 and Java 21 runtime environments
• New database metrics tracking for bStats

Changed

• BREAKING: Minimum Java version upgraded from 8 to 17
• Replaced Guava cache with Caffeine cache for better performance
• Modernized player checking system with asynchronous processing
• Improved database connection handling with proper resource management
• Enhanced VPN/Proxy detection with new CheckResult and ResultType system
• Updated Maven dependencies and build process
• Reorganized project structure (Assembly → Universal module)
• Improved error handling and exception logging throughout codebase

Fixed

• H2 database compatibility issues with automatic backup and recovery
• Memory leaks in database result set handling with try-with-resources
• Thread safety issues in player cache management
• Command registration and unregistration during plugin lifecycle
• Proper cleanup of database drivers on shutdown
• Resource management in SQL connections and prepared statements

Removed

• Guava dependency (replaced with Caffeine and built-in utilities)
• Legacy cached response handling system
• Old table format compatibility code

v1.9.4-DEV Release

this is a pre-release to test antivirus flags, and will subsequently be removed once this testing is finished.

H2 Database Error on Start Hotfix [v1.9.3.1 Release]

Changelog

• Fixed bug that prevented plugin from loading when updating from 1.9.2 using the H2 database.

What's Changed

• 58-bug-plugin-fails-to-load-after-upgrading-to-193-on-velocity by @funkemunky in #60

Full Changelog: 1.9.3...1.9.3.1

Bug Fixes and Compatibility Improvements [v1.9.3 Release]

Changelog

• Corrected ISO Codes link within the config file.
• Corrected error on Bukkit servers when using vanilla kick feature.
• Improved caching to include more information, using less backend queries.
• Updated H2 to non-vulernable version.
• Fixed bug where players getting kicked from velocity proxies would receive an error instead of configured message.
• Changed the way dependencies are handled to add compatibility for Java 17+ versions without having to use runtime arguments to allow deprecated Java features.
• Tested compatibility on 1.21 Bukkit, Bungeecord, and Velocity proxies.

Squashed bugs, updated dependencies

Changelog

• Updated vulnerable dependencies to non-vulnerable versions
• Squashed multiple exceptions by adding null checks (@C0D3-M4513R and others)
• Changed some caching parameters to improve performance and data reliability.
• Improved performance issues resulting from some wonky control flow.

Fixing Velocity Version

Changelog

• Fixed bug in maven compilation script that prevented Velocity from finding the Inject annotation, preventing it from loading.

Improved Performance and Bug Fixes

Changelog

• Added pre-login cache. This will remove players who have previously been detected using a proxy by KauriVPN, making spam login problems a thing of the past.
• Fixed bug that would prevent a user from whitelisting a player.
• Fixed sql database errors.
• Fixed dependency errors.
• Removed usage of System.out.println() for logging and moved everything to a single platform based logging system (for users who don't like the "Nag author(s):" messages in their logs).

H2 Flatfile Hotfix [v1.8.2.1 Release]

Changelog

• Fixed H2 erroring on startup.
• Added database upgrading code since we now use a newer version for H2.
• Removed debug from Bukkit version of plugin when players log in (oopsie).

Reload Command and File Size Shrink! [v1.8.2 Release]

Changelog

• Added /antivpn reload command
• Added configuration for "No permission!" message.
• Fixed H2 database error on index creation when loading plugin.
• Shrunk jar file size extensively so it can be uploaded to Spigot directly (credits to Lucko's Helper util)
• Updated h2database driver to 2.1.214 to patch vulnerability
• Updated mysql database driver to 8.0.30 to patch vulnerability
• Updated MongoDB java driver to 3.12.11.

Patching Memory Leak on BungeeCord

Changelog

• Fixed an issue where player references would not be removed from a cache on player disconnect.
• Updated MySQL Connector to latest version.