Add comment on targetJavaVersion.

.github/workflows/build.yml

@@ -12,7 +12,9 @@ jobs:
       matrix:
         # Use these Java versions
         java: [
-          16    # Minimum supported by Minecraft
+          1.8,  # Minimum supported by Minecraft
+          11,   # Current Java LTS
+          15    # Latest version
         ]
         # and run on both Linux and Windows
         os: [ubuntu-20.04, windows-latest]
@@ -32,7 +34,7 @@ jobs:
       - name: build
         run: ./gradlew build
       - name: capture build artifacts
-        if: ${{ runner.os == 'Linux' && matrix.java == '16' }} # Only upload artifacts built from latest java on one OS
+        if: ${{ runner.os == 'Linux' && matrix.java == '11' }} # Only upload artifacts built from LTS java on one OS
         uses: actions/upload-artifact@v2
         with:
           name: Artifacts

build.gradle

@@ -1,24 +1,15 @@
 plugins {
-	id 'fabric-loom' version '0.8-SNAPSHOT'
+	id 'fabric-loom' version '0.5-SNAPSHOT'
 	id 'maven-publish'
 }
 
-sourceCompatibility = JavaVersion.VERSION_16
-targetCompatibility = JavaVersion.VERSION_16
-
 archivesBaseName = project.archives_base_name
+version = project.mod_version
 group = project.maven_group
 
-// Obtains mod version. change file reference if your fabric.mod.json is located elsewhere
-import groovy.json.JsonSlurper
-version = new JsonSlurper().parse(file('src/main/resources/fabric.mod.json')).version
-
-// You can use logger.lifecycle to print out messages like System.out; double-quote strings convert
-// ${statement} templates to statement values, such as method calls, while single-quote strings don't.
-// getXxx() calls can be simplified to xxx, like project.getGradle().getGradleVersion() is project.gradle.gradleVersion.
-// Since the buildscript is provided with a project, you can call project methods without qualification if there is no
-// ambiguity, such as file() call to retrieve version is project.file(), and gradle is project.getGradle()
-logger.lifecycle "Setting up ${archivesBaseName} ${version} with Gradle ${gradle.gradleVersion}"
+// This field defines the Java version your mod target.
+// The Minecraft launcher currently installs Java 8 for users, so your mod probably wants to target Java 8 too.
+def targetJavaVersion = 8
 
 repositories {
     // Add repositories to retrieve artifacts from in here.
@@ -36,6 +27,20 @@ dependencies {
 
 	// Fabric API. This is technically optional, but you probably want it anyway.
 	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+	// You can also use individual Fabric API modules with
+	// `modImplementation fabricApi.module('module-name', project.fabric_version)`
+	// If you do this, you will need to depend individually on each modules in the fabric.mod.json file.
+
+	// PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
+	// You may need to force-disable transitiveness on them.
+}
+
+processResources {
+	inputs.property "version", project.version
+
+	filesMatching("fabric.mod.json") {
+		expand "version": project.version
+	}
 }
 
 tasks.withType(JavaCompile).configureEach {
@@ -45,11 +50,17 @@ tasks.withType(JavaCompile).configureEach {
 	// If Javadoc is generated, this must be specified in that task too.
 	it.options.encoding = "UTF-8"
 
-	// Minecraft 1.17 (21w19a) upwards uses Java 16.
-	it.options.release = 16
+	// JDK 9 introduced a new way of specifying this that will make sure no newer classes or methods are used.
+	// We'll use that if it's available, but otherwise we'll use the older option.
+	if (JavaVersion.current().isJava9Compatible()) {
+		it.options.release = targetJavaVersion
+	}
 }
 
 java {
+	sourceCompatibility = JavaVersion.toVersion(targetJavaVersion)
+	targetCompatibility = JavaVersion.toVersion(targetJavaVersion)
+
 	// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
 	// if it is present.
 	// If you remove this line, sources will not be generated.

gradle.properties

@@ -2,15 +2,16 @@
 org.gradle.jvmargs=-Xmx1G
 
 # Fabric Properties
-	# check these on https://fabricmc.net/versions.html
-	minecraft_version=1.17
-	yarn_mappings=1.17+build.13
-	loader_version=0.11.6
+	# check these on https://fabricmc.net/use
+	minecraft_version=1.16.5
+	yarn_mappings=1.16.5+build.1
+	loader_version=0.11.0
 
 # Mod Properties
-	# edit your mod version in fabric.mod.json
+	mod_version = 1.0.0
 	maven_group = com.example
 	archives_base_name = fabric-example-mod
 
 # Dependencies
-	fabric_version=0.36.0+1.17
+	# currently not on the main fabric site, check on the maven: https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api
+	fabric_version=0.29.3+1.16

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/resources/fabric.mod.json

@@ -1,7 +1,7 @@
 {
   "schemaVersion": 1,
   "id": "modid",
-  "version": "1.0.0",
+  "version": "${version}",
 
   "name": "Example Mod",
   "description": "This is an example description! Tell everyone what your mod is about!",
@@ -27,10 +27,9 @@
   ],
 
   "depends": {
-    "fabricloader": ">=0.11.3",
+    "fabricloader": ">=0.7.4",
     "fabric": "*",
-    "minecraft": "1.17.x",
-    "java": ">=16"
+    "minecraft": "1.16.x"
   },
   "suggests": {
     "another-mod": "*"

src/main/resources/modid.mixins.json

@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.fabricmc.example.mixin",
-  "compatibilityLevel": "JAVA_16",
+  "compatibilityLevel": "JAVA_8",
   "mixins": [
   ],
   "client": [