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All versions
1.3.0
Release
1.3.07 months ago 294
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Compatibility
Minecraft: Java Edition
1.21.x
1.20.x
1.19.x
Platforms
Bukkit
Paper
Purpur
Spigot
Changes
Release Notes - KatIPAuth v1.3.0
Major Improvements
- H2 Database Migration: Replaced JSON-based storage with an embedded H2 database for more reliable and persistent IP binding data. Existing data is automatically migrated from the legacy format on first load.
- Enhanced Login Pipeline: Overhauled pre-login checks for UUID and IP binding with improved subnet-aware logic and more precise kick messages that explain exactly why access was denied.
- Expanded Message Customization: Added new configurable messages for additional block scenarios (
uuid-ip-mismatch,ip-uuid-mismatch,max-accounts) alongside the existing fallback message.
New Features & Tools
- Improved Discord Embeds: Webhook alerts now include richer detail and improved formatting for better log visibility at a glance.
- Config Auto-Update Improvements: Missing
debugandsecurityoptions (includingverboseandmax-accounts-per-ip) are now automatically added to yourconfig.ymlwhen upgrading.
Commands & Permissions
/ipforce <player>:New admin command (ipauth.admin) that unbinds a player's UUID-IP pair without kicking them โ their next join will register a fresh binding.
Security & Stability
- Safer URL Handling: Replaced the deprecated
URLconstructor withURI.create()to prevent malformed URL errors. - Cleaner Reload Logic: Removed unused
IPStoragedependency fromIPReloadCommandand updated instantiation to match the refactored storage layer. - Storage Initialization Refactor: Replaced
storage.load()withstorage.initialize()for a more predictable and reliable startup sequence.
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle. To learn more about the Modrinth Maven API, click here.
Note: When available, you should use the creator's maven repo instead as it will have transitive dependency information that the Modrinth Maven API does not. You may also end up with duplicate dependencies if you use a mix of Modrinth and non-Modrinth Maven repositories for your dependencies, because the group identifier will be different when served through the Modrinth Maven API.
Maven coordinates:
Version ID:
build.gradle:
repositories {
exclusiveContent {
forRepository {
maven {
name = "Modrinth"
url = "https://api.modrinth.com/maven"
}
}
// forRepositories(fg.repository) // Uncomment when using ForgeGradle
filter {
includeGroup "maven.modrinth"
}
}
}
// Standard Gradle dependency
dependencies {
implementation "maven.modrinth:7cGy8DrI:1hSWDiVx"
}
// Legacy Loom dependency
dependencies {
modImplementation "maven.modrinth:7cGy8DrI:1hSWDiVx"
}

