Maven
<dependency>
    <groupId>com.github.cryptomorin</groupId>
    <artifactId>XSeries</artifactId>
    <version>13.5.1</version>
</dependency>Gradle
repositories {
    mavenCentral()
}
dependencies {
    implementation("com.github.cryptomorin:XSeries:13.5.1")
}Important
Don't forget to set api-version: 1.13 in your plugins.yml.
Don't forget to shade the library.
No changes were needed for 1.21.10 support.
XSkull
- Fixed an issue with older versions (~pre-1.21.7)