1.21.4 and version fetching made easy

build.gradle

@@ -23,7 +23,7 @@ println(' Java: ' + System.getProperty('java.version') +
         ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ')' +
         ' Arch: ' + System.getProperty('os.arch'))
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(17)
+java.toolchain.languageVersion = JavaLanguageVersion.of(21)
 
 configurations {
     shade
@@ -34,11 +34,11 @@ group = 'me.yourname'
 version = '1.0.0'
 
 ext {
-    minecraft_version = '1.20.2'
-    mcp_version = '20230921.100330'
+    minecraft_version = '1.21.4'
+    mcp_version = '20241203.143248'
     mappings_channel = 'official'
-    mappings_version = '1.20.2'
-    spi_version = '7.0.0'
+    mappings_version = '1.21.4'
+    spi_version = '7.1.5'
 }
 
 repositories {

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists