diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 648ab1c49..28d3082a2 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -7,11 +7,14 @@ on: [push, pull_request]
 
 jobs:
   build:
+    # Only run on PRs if the source branch is on a different repo. We do not need run everything twice.
+    if: ${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}
 
     runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
+    - uses: gradle/wrapper-validation-action@v1
     - name: Set up JDK 11
       uses: actions/setup-java@v2
       with:
diff --git a/adventure/build.gradle.kts b/adventure/build.gradle.kts
index 3e2a74c1c..c2847bb39 100644
--- a/adventure/build.gradle.kts
+++ b/adventure/build.gradle.kts
@@ -1,5 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-
 plugins {
     id("com.github.johnrengelman.shadow")
 }
@@ -7,11 +5,11 @@ plugins {
 // Shade and relocate adventure in an extra module, so that common/the rest can directly depend on a
 // relocated adventure without breaking native platform's adventure usage with project wide relocation
 tasks {
-    withType<ShadowJar> {
+    shadowJar {
         relocate("net.kyori", "com.viaversion.viaversion.libs.kyori")
     }
-    getByName("build") {
-        dependsOn(withType<ShadowJar>())
+    build {
+        dependsOn(shadowJar)
     }
 }
 
@@ -22,4 +20,6 @@ dependencies {
         exclude("net.kyori", "adventure-bom")
         exclude("com.google.code.gson", "gson")
     }
-}
\ No newline at end of file
+}
+
+publishShadowJar()
diff --git a/api/build.gradle.kts b/api/build.gradle.kts
index 561832205..e6537c1fd 100644
--- a/api/build.gradle.kts
+++ b/api/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
     id("net.kyori.blossom")
+    id("via.shadow-conventions")
 }
 
 blossom {
diff --git a/buildSrc/build.gradle.kts b/build-logic/build.gradle.kts
similarity index 65%
rename from buildSrc/build.gradle.kts
rename to build-logic/build.gradle.kts
index c9e19892a..c0d998653 100644
--- a/buildSrc/build.gradle.kts
+++ b/build-logic/build.gradle.kts
@@ -7,5 +7,6 @@ repositories {
 }
 
 dependencies {
+    // version must be manually kept in sync with the one in root project settings.gradle.kts
     implementation("gradle.plugin.com.github.jengelman.gradle.plugins", "shadow", "7.0.0")
-}
\ No newline at end of file
+}
diff --git a/build-logic/src/main/kotlin/extensions.kt b/build-logic/src/main/kotlin/extensions.kt
new file mode 100644
index 000000000..c55b057bb
--- /dev/null
+++ b/build-logic/src/main/kotlin/extensions.kt
@@ -0,0 +1,44 @@
+import org.gradle.api.JavaVersion
+import org.gradle.api.Project
+import org.gradle.api.plugins.JavaPluginExtension
+import org.gradle.api.publish.PublishingExtension
+import org.gradle.api.publish.maven.MavenPublication
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.get
+import org.gradle.kotlin.dsl.named
+import java.io.ByteArrayOutputStream
+
+fun Project.publishShadowJar() {
+    configurePublication {
+        artifact(tasks["shadowJar"])
+        artifact(tasks["sourcesJar"])
+    }
+}
+
+fun Project.publishJavaComponents() {
+    configurePublication {
+        from(components["java"])
+    }
+}
+
+private fun Project.configurePublication(configurer: MavenPublication.() -> Unit) {
+    extensions.configure<PublishingExtension> {
+        publications.named<MavenPublication>("mavenJava") {
+            apply(configurer)
+        }
+    }
+}
+
+fun Project.latestCommitHash(): String {
+    val byteOut = ByteArrayOutputStream()
+    exec {
+        commandLine = listOf("git", "rev-parse", "--short", "HEAD")
+        standardOutput = byteOut
+    }
+    return byteOut.toString(Charsets.UTF_8.name()).trim()
+}
+
+fun JavaPluginExtension.javaTarget(version: Int) {
+    sourceCompatibility = JavaVersion.toVersion(version)
+    targetCompatibility = JavaVersion.toVersion(version)
+}
diff --git a/build-logic/src/main/kotlin/via.base-conventions.gradle.kts b/build-logic/src/main/kotlin/via.base-conventions.gradle.kts
new file mode 100644
index 000000000..1ccf460fd
--- /dev/null
+++ b/build-logic/src/main/kotlin/via.base-conventions.gradle.kts
@@ -0,0 +1,42 @@
+plugins {
+    `java-library`
+    `maven-publish`
+}
+
+tasks {
+    // Variable replacements
+    processResources {
+        filesMatching(listOf("plugin.yml", "mcmod.info", "fabric.mod.json", "bungee.yml")) {
+            expand("version" to project.version, "description" to project.description)
+        }
+    }
+    javadoc {
+        options.encoding = Charsets.UTF_8.name()
+    }
+    compileJava {
+        options.encoding = Charsets.UTF_8.name()
+        options.compilerArgs.addAll(listOf("-nowarn", "-Xlint:-unchecked", "-Xlint:-deprecation"))
+    }
+}
+
+java {
+    javaTarget(8)
+    withSourcesJar()
+    withJavadocJar() // todo: do we need javadoc enabled for every module?
+}
+
+publishing {
+    publications.create<MavenPublication>("mavenJava") {
+        groupId = rootProject.group as String
+        artifactId = project.name
+        version = rootProject.version as String
+    }
+    repositories.maven {
+        name = "Via"
+        url = uri("https://repo.viaversion.com/")
+        credentials(PasswordCredentials::class)
+        authentication {
+            create<BasicAuthentication>("basic")
+        }
+    }
+}
diff --git a/build-logic/src/main/kotlin/via.build-logic.gradle.kts b/build-logic/src/main/kotlin/via.build-logic.gradle.kts
new file mode 100644
index 000000000..e69de29bb
diff --git a/build-logic/src/main/kotlin/via.platform-conventions.gradle.kts b/build-logic/src/main/kotlin/via.platform-conventions.gradle.kts
new file mode 100644
index 000000000..98c5515a7
--- /dev/null
+++ b/build-logic/src/main/kotlin/via.platform-conventions.gradle.kts
@@ -0,0 +1,10 @@
+plugins {
+    id("via.shadow-conventions")
+}
+
+tasks {
+    shadowJar {
+        archiveFileName.set("ViaVersion-${project.name.substringAfter("viaversion-").capitalize()}-${project.version}.jar")
+        destinationDirectory.set(rootProject.layout.buildDirectory.dir("libs"))
+    }
+}
diff --git a/build-logic/src/main/kotlin/via.shadow-conventions.gradle.kts b/build-logic/src/main/kotlin/via.shadow-conventions.gradle.kts
new file mode 100644
index 000000000..aee71dfca
--- /dev/null
+++ b/build-logic/src/main/kotlin/via.shadow-conventions.gradle.kts
@@ -0,0 +1,55 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+import org.gradle.jvm.tasks.Jar
+import org.gradle.kotlin.dsl.named
+
+plugins {
+    id("via.base-conventions")
+    id("com.github.johnrengelman.shadow")
+}
+
+tasks {
+    named<Jar>("jar") {
+        archiveClassifier.set("unshaded")
+        from(project.rootProject.file("LICENSE"))
+    }
+    val shadowJar = named<ShadowJar>("shadowJar") {
+        archiveClassifier.set("")
+        configureRelocations()
+        configureExcludes()
+    }
+    named("build") {
+        dependsOn(shadowJar)
+    }
+}
+
+publishShadowJar()
+
+fun ShadowJar.configureRelocations() {
+    relocate("javassist", "com.viaversion.viaversion.libs.javassist")
+    relocate("com.google.gson", "com.viaversion.viaversion.libs.gson")
+    relocate("com.github.steveice10.opennbt", "com.viaversion.viaversion.libs.opennbt")
+    relocate("it.unimi.dsi.fastutil", "com.viaversion.viaversion.libs.fastutil")
+}
+
+fun ShadowJar.configureExcludes() {
+    // FastUtil - we only want object and int maps
+    // Object types
+    exclude("it/unimi/dsi/fastutil/*/*Reference*")
+    exclude("it/unimi/dsi/fastutil/*/*Boolean*")
+    exclude("it/unimi/dsi/fastutil/*/*Byte*")
+    exclude("it/unimi/dsi/fastutil/*/*Short*")
+    exclude("it/unimi/dsi/fastutil/*/*Float*")
+    exclude("it/unimi/dsi/fastutil/*/*Double*")
+    exclude("it/unimi/dsi/fastutil/*/*Long*")
+    exclude("it/unimi/dsi/fastutil/*/*Char*")
+    // Map types
+    exclude("it/unimi/dsi/fastutil/*/*Custom*")
+    exclude("it/unimi/dsi/fastutil/*/*Tree*")
+    exclude("it/unimi/dsi/fastutil/*/*Heap*")
+    exclude("it/unimi/dsi/fastutil/*/*Queue*")
+    // Crossing fingers
+    exclude("it/unimi/dsi/fastutil/*/*Big*")
+    exclude("it/unimi/dsi/fastutil/*/*Synchronized*")
+    exclude("it/unimi/dsi/fastutil/*/*Unmodifiable*")
+    exclude("it/unimi/dsi/fastutil/io/*")
+}
diff --git a/build-logic/src/main/kotlin/via.standard-conventions.gradle.kts b/build-logic/src/main/kotlin/via.standard-conventions.gradle.kts
new file mode 100644
index 000000000..519de9f7a
--- /dev/null
+++ b/build-logic/src/main/kotlin/via.standard-conventions.gradle.kts
@@ -0,0 +1,5 @@
+plugins {
+    id("via.base-conventions")
+}
+
+publishJavaComponents()
diff --git a/build.gradle.kts b/build.gradle.kts
index f1add7eeb..93750893e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,104 +1,40 @@
-import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
+import org.gradle.api.plugins.JavaPlugin.TEST_IMPLEMENTATION_CONFIGURATION_NAME
 
 plugins {
-    `java-library`
-    `maven-publish`
-    id("net.kyori.blossom") version "1.2.0" apply false
+    id("via.build-logic")
 }
 
 allprojects {
     group = "com.viaversion"
-    version = "4.0.0-21w20a-SNAPSHOT"
+    version = property("projectVersion") as String // from gradle.properties
     description = "Allow newer clients to join older server versions."
 }
 
+val platforms = setOf(
+    projects.viaversionBukkit,
+    projects.viaversionBungee,
+    projects.viaversionFabric,
+    projects.viaversionSponge,
+    projects.viaversionVelocity
+).map { it.dependencyProject }
+
+val special = setOf(
+    projects.viaversion,
+    projects.viaversionApi,
+    projects.adventure
+).map { it.dependencyProject }
+
 subprojects {
-    apply<JavaLibraryPlugin>()
-    apply<MavenPublishPlugin>()
-
-    tasks {
-        // Variable replacements
-        processResources {
-            filesMatching(listOf("plugin.yml", "mcmod.info", "fabric.mod.json", "bungee.yml")) {
-                expand("version" to project.version, "description" to project.description)
-            }
-        }
-        withType<Javadoc> {
-            options.encoding = Charsets.UTF_8.name()
-        }
-        withType<JavaCompile> {
-            options.encoding = Charsets.UTF_8.name()
-            options.compilerArgs.addAll(listOf("-nowarn", "-Xlint:-unchecked", "-Xlint:-deprecation"))
-        }
-    }
-
-    repositories {
-        maven("https://repo.viaversion.com")
-        maven("https://papermc.io/repo/repository/maven-public/")
-        maven("https://oss.sonatype.org/content/repositories/snapshots/")
-        maven("https://nexus.velocitypowered.com/repository/velocity-artifacts-snapshots/")
-        maven("https://repo.spongepowered.org/repository/maven-public/")
-        maven("https://libraries.minecraft.net")
-        mavenCentral()
+    when (this) {
+        in platforms -> plugins.apply("via.platform-conventions")
+        in special -> plugins.apply("via.base-conventions")
+        else -> plugins.apply("via.standard-conventions")
     }
 
     dependencies {
         // Note: If manually starting tests doesn't work for you in IJ, change 'Gradle -> Run Tests Using' to 'IntelliJ IDEA'
-        testImplementation(rootProject.libs.netty)
-        testImplementation(rootProject.libs.guava)
-        testImplementation(rootProject.libs.bundles.junit)
-    }
-
-    configureJavaTarget(8)
-    java {
-        withSourcesJar()
-        withJavadocJar()
-    }
-}
-
-// Configure shadow tasks before the publishing task
-sequenceOf(
-        projects.viaversionBukkit,
-        projects.viaversionBungee,
-        projects.viaversionFabric,
-        projects.viaversionSponge,
-        projects.viaversionVelocity
-).map { it.dependencyProject }.forEach { project ->
-    project.configureShadowJar()
-}
-
-projects.viaversionApi.dependencyProject.configureShadowJarAPI()
-projects.viaversion.dependencyProject.apply<ShadowPlugin>()
-
-subprojects {
-    publishing {
-        publications {
-            create<MavenPublication>("mavenJava") {
-                groupId = rootProject.group as String
-                artifactId = project.name
-                version = rootProject.version as String
-
-                if (plugins.hasPlugin(ShadowPlugin::class.java)) {
-                    artifact(tasks["shadowJar"])
-                } else {
-                    from(components["java"])
-                }
-            }
-        }
-        repositories.maven {
-            name = "Via"
-            url = uri("https://repo.viaversion.com/")
-            credentials(PasswordCredentials::class)
-            authentication {
-                create<BasicAuthentication>("basic")
-            }
-        }
-    }
-}
-
-tasks {
-    // root project has no useful artifacts
-    withType<Jar> {
-        onlyIf { false }
+        TEST_IMPLEMENTATION_CONFIGURATION_NAME(rootProject.libs.netty)
+        TEST_IMPLEMENTATION_CONFIGURATION_NAME(rootProject.libs.guava)
+        TEST_IMPLEMENTATION_CONFIGURATION_NAME(rootProject.libs.bundles.junit)
     }
 }
diff --git a/buildSrc/src/main/kotlin/extensions.kt b/buildSrc/src/main/kotlin/extensions.kt
deleted file mode 100644
index 20ec7f9f9..000000000
--- a/buildSrc/src/main/kotlin/extensions.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
-import org.gradle.api.JavaVersion
-import org.gradle.api.Project
-import org.gradle.api.plugins.JavaPluginConvention
-import org.gradle.jvm.tasks.Jar
-import org.gradle.kotlin.dsl.apply
-import org.gradle.kotlin.dsl.configure
-import org.gradle.kotlin.dsl.invoke
-import org.gradle.kotlin.dsl.withType
-import java.io.ByteArrayOutputStream
-
-fun Project.configureShadowJarAPI() {
-    apply<ShadowPlugin>()
-    tasks {
-        withType<ShadowJar> {
-            archiveClassifier.set("")
-            configureRelocations()
-            configureExcludes()
-        }
-        getByName("build") {
-            dependsOn(withType<ShadowJar>())
-        }
-        withType<Jar> {
-            if (name == "jar") {
-                archiveClassifier.set("unshaded")
-            }
-        }
-    }
-}
-
-fun Project.configureShadowJar() {
-    apply<ShadowPlugin>()
-    tasks {
-        withType<ShadowJar> {
-            archiveClassifier.set("")
-            archiveFileName.set("ViaVersion-${project.name.substringAfter("viaversion-").capitalize()}-${project.version}.jar")
-            destinationDirectory.set(rootProject.projectDir.resolve("build/libs"))
-            configureRelocations()
-            configureExcludes()
-        }
-        getByName("build") {
-            dependsOn(withType<ShadowJar>())
-        }
-        withType<Jar> {
-            if (name == "jar") {
-                archiveClassifier.set("unshaded")
-            }
-            from(project.parent!!.file("LICENSE")) {
-                into("")
-            }
-        }
-    }
-}
-
-private fun ShadowJar.configureRelocations() {
-    relocate("javassist", "com.viaversion.viaversion.libs.javassist")
-    relocate("com.google.gson", "com.viaversion.viaversion.libs.gson")
-    relocate("com.github.steveice10.opennbt", "com.viaversion.viaversion.libs.opennbt")
-    relocate("it.unimi.dsi.fastutil", "com.viaversion.viaversion.libs.fastutil")
-}
-
-private fun ShadowJar.configureExcludes() {
-    // FastUtil - we only want object and int maps
-    // Object types
-    exclude("it/unimi/dsi/fastutil/*/*Reference*")
-    exclude("it/unimi/dsi/fastutil/*/*Boolean*")
-    exclude("it/unimi/dsi/fastutil/*/*Byte*")
-    exclude("it/unimi/dsi/fastutil/*/*Short*")
-    exclude("it/unimi/dsi/fastutil/*/*Float*")
-    exclude("it/unimi/dsi/fastutil/*/*Double*")
-    exclude("it/unimi/dsi/fastutil/*/*Long*")
-    exclude("it/unimi/dsi/fastutil/*/*Char*")
-    // Map types
-    exclude("it/unimi/dsi/fastutil/*/*Custom*")
-    exclude("it/unimi/dsi/fastutil/*/*Tree*")
-    exclude("it/unimi/dsi/fastutil/*/*Heap*")
-    exclude("it/unimi/dsi/fastutil/*/*Queue*")
-    // Crossing fingers
-    exclude("it/unimi/dsi/fastutil/*/*Big*")
-    exclude("it/unimi/dsi/fastutil/*/*Synchronized*")
-    exclude("it/unimi/dsi/fastutil/*/*Unmodifiable*")
-    exclude("it/unimi/dsi/fastutil/io/*")
-}
-
-fun Project.latestCommitHash(): String {
-    val byteOut = ByteArrayOutputStream()
-    exec {
-        commandLine = listOf("git", "rev-parse", "--short", "HEAD")
-        standardOutput = byteOut
-    }
-    return byteOut.toString(Charsets.UTF_8.name()).trim()
-}
-
-fun Project.configureJavaTarget(version: Int) {
-    configure<JavaPluginConvention> {
-        sourceCompatibility = JavaVersion.toVersion(version)
-        targetCompatibility = JavaVersion.toVersion(version)
-    }
-}
diff --git a/gradle.properties b/gradle.properties
index f30cf6d13..3c97edf8b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,7 @@
+# Project properties - we put these here so they can be modified without causing a recompile of the build scripts
+projectVersion=4.0.0-21w20a-SNAPSHOT
+
+# Gradle properties
 org.gradle.daemon=true
 org.gradle.configureondemand=true
-org.gradle.parallel=true
\ No newline at end of file
+org.gradle.parallel=true
diff --git a/java-compat/java-compat-unsafe/build.gradle.kts b/java-compat/java-compat-unsafe/build.gradle.kts
index 6b8e88798..19c32d3eb 100644
--- a/java-compat/java-compat-unsafe/build.gradle.kts
+++ b/java-compat/java-compat-unsafe/build.gradle.kts
@@ -1,3 +1,3 @@
 dependencies {
-    api(project(":java-compat:java-compat-common"))
+    api(projects.javaCompat.javaCompatCommon)
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index db3f54f08..995a746ed 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,8 +1,33 @@
-rootProject.name = "viaversion-parent"
-
 enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
 enableFeaturePreview("VERSION_CATALOGS")
 
+dependencyResolutionManagement {
+    // configures repositories for all projects
+    repositories {
+        maven("https://repo.viaversion.com")
+        maven("https://papermc.io/repo/repository/maven-public/")
+        maven("https://oss.sonatype.org/content/repositories/snapshots/")
+        maven("https://nexus.velocitypowered.com/repository/velocity-artifacts-snapshots/")
+        maven("https://repo.spongepowered.org/repository/maven-public/")
+        maven("https://libraries.minecraft.net")
+        mavenCentral()
+    }
+    // only use these repos
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+}
+
+pluginManagement {
+    // default plugin versions
+    plugins {
+        id("net.kyori.blossom") version "1.2.0"
+        id("com.github.johnrengelman.shadow") version "7.0.0"
+    }
+}
+
+rootProject.name = "viaversion-parent"
+
+includeBuild("build-logic")
+
 include("adventure")
 include("java-compat", "java-compat:java-compat-common", "java-compat:java-compat-unsafe")
 
diff --git a/universal/build.gradle.kts b/universal/build.gradle.kts
index dcc0411bb..b88d476fd 100644
--- a/universal/build.gradle.kts
+++ b/universal/build.gradle.kts
@@ -1,7 +1,11 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
+plugins {
+    id("com.github.johnrengelman.shadow")
+}
+
 tasks {
-    withType<ShadowJar> {
+    shadowJar {
         archiveClassifier.set("")
         archiveFileName.set("ViaVersion-${project.version}.jar")
         destinationDirectory.set(rootProject.projectDir.resolve("build/libs"))
@@ -13,13 +17,15 @@ tasks {
             rootProject.projects.viaversionSponge,
             rootProject.projects.viaversionVelocity,
         ).map { it.dependencyProject }.forEach { subproject ->
-            val shadowJarTask = subproject.tasks.getByName("shadowJar", ShadowJar::class)
+            val shadowJarTask = subproject.tasks.named<ShadowJar>("shadowJar").forUseAtConfigurationTime().get()
             dependsOn(shadowJarTask)
             dependsOn(subproject.tasks.withType<Jar>())
             from(zipTree(shadowJarTask.archiveFile))
         }
     }
     build {
-        dependsOn(withType<ShadowJar>())
+        dependsOn(shadowJar)
     }
 }
+
+publishShadowJar()