diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..bc8e057
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,42 @@
+name: Build & Publish
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-java@v3
+        with:
+          distribution: temurin
+          java-version: |
+            8
+            16
+            17
+          cache: gradle
+
+      - name: Setup environment
+        run: |
+          echo "ORG_GRADLE_PROJECT_BUILD_ID=$(expr ${{ github.run_number }} + 290)" >> "$GITHUB_ENV"
+          # GitHub runners are limited to 7GB of RAM, so we'll limit our Gradle Daemon process to about half of that
+          # which is enough so long as parallel task execution is limited.
+          # We also pin the amount of workers, so it doesn't break should GitHub increase the default available vCPUs.
+          # We write these to GRADLE_USER_HOME to overrule the local "gradle.properties" of the project.
+          mkdir -p "${GRADLE_USER_HOME:=~/.gradle}"
+          echo "org.gradle.jvmargs=-Xmx4G" >> "$GRADLE_USER_HOME/gradle.properties"
+          echo "org.gradle.workers.max=2" >> "$GRADLE_USER_HOME/gradle.properties"
+
+      - name: Build
+        run: ./gradlew build --stacktrace
+
+      - name: Publish
+        run: echo ./gradlew publish --stacktrace
+        if: env.NEXUS_USER != null
+        env:
+          NEXUS_USER: ${{ secrets.NEXUS_USER }}
+          NEXUS_PASSWORD: ${{ secrets.NEXUS_PASSWORD }}
diff --git a/gradle.properties b/gradle.properties
index 3afede0..16b79ea 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,3 +4,4 @@ org.gradle.parallel=true
 org.gradle.configureoncommand=true
 org.gradle.parallel.threads=4
 org.gradle.jvmargs=-Xmx8G
+# cache buster comment
diff --git a/root.gradle.kts b/root.gradle.kts
index e4af8c7..ae46b96 100644
--- a/root.gradle.kts
+++ b/root.gradle.kts
@@ -26,7 +26,6 @@ preprocess {
     val fabric11701 = createNode("1.17.1-fabric", 11701, "yarn")
     val fabric11602 = createNode("1.16.2-fabric", 11602, "yarn")
     val forge11602 = createNode("1.16.2-forge", 11602, "srg")
-    val forge11502 = createNode("1.15.2-forge", 11502, "srg")
     val forge11202 = createNode("1.12.2-forge", 11202, "srg")
     val forge10809 = createNode("1.8.9-forge", 10809, "srg")
 
@@ -46,7 +45,6 @@ preprocess {
     forge11701.link(fabric11701)
     fabric11701.link(fabric11602, file("versions/1.17.1-1.16.2.txt"))
     fabric11602.link(forge11602)
-    forge11602.link(forge11502, file("versions/1.16.2-1.15.2.txt"))
-    forge11502.link(forge11202, file("versions/1.15.2-1.12.2.txt"))
+    forge11602.link(forge11202, file("versions/1.16.2-1.12.2.txt"))
     forge11202.link(forge10809, file("versions/1.12.2-1.8.9.txt"))
 }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index b6dc8e5..f1e8044 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -20,7 +20,6 @@ rootProject.buildFileName = "root.gradle.kts"
 listOf(
     "1.8.9-forge",
     "1.12.2-forge",
-    "1.15.2-forge",
     "1.16.2-forge",
     "1.16.2-fabric",
     "1.17.1-fabric",
diff --git a/versions/1.15.2-1.12.2.txt b/versions/1.16.2-1.12.2.txt
similarity index 85%
rename from versions/1.15.2-1.12.2.txt
rename to versions/1.16.2-1.12.2.txt
index a6257cf..5971266 100644
--- a/versions/1.15.2-1.12.2.txt
+++ b/versions/1.16.2-1.12.2.txt
@@ -5,12 +5,12 @@ net.minecraft.util.SoundEvents net.minecraft.init.SoundEvents
 net.minecraft.client.renderer.texture.Texture net.minecraft.client.renderer.texture.AbstractTexture
 net.minecraft.resources.IResourceManager net.minecraft.client.resources.IResourceManager
 net.minecraft.client.renderer.texture.TextureUtil prepareImage() allocateTexture()
-net.minecraft.client.renderer.Matrix3f org.lwjgl.util.vector.Matrix3f
-net.minecraft.client.renderer.Matrix4f org.lwjgl.util.vector.Matrix4f
-net.minecraft.client.renderer.Matrix4f write() org.lwjgl.util.vector.Matrix4f store()
-net.minecraft.client.renderer.Quaternion org.lwjgl.util.vector.Quaternion
-net.minecraft.client.renderer.Vector3f org.lwjgl.util.vector.Vector3f
-net.minecraft.client.renderer.Vector4f org.lwjgl.util.vector.Vector4f
+net.minecraft.util.math.vector.Matrix3f org.lwjgl.util.vector.Matrix3f
+net.minecraft.util.math.vector.Matrix4f org.lwjgl.util.vector.Matrix4f
+net.minecraft.util.math.vector.Matrix4f write() org.lwjgl.util.vector.Matrix4f store()
+net.minecraft.util.math.vector.Quaternion org.lwjgl.util.vector.Quaternion
+net.minecraft.util.math.vector.Vector3f org.lwjgl.util.vector.Vector3f
+net.minecraft.util.math.vector.Vector4f org.lwjgl.util.vector.Vector4f
 net.minecraft.client.gui.screen.Screen net.minecraft.client.gui.GuiScreen
 net.minecraft.client.gui.widget.Widget net.minecraft.client.gui.GuiButton
 net.minecraft.client.renderer.entity.RenderPlayer net.minecraft.client.renderer.entity.PlayerRenderer
@@ -32,8 +32,3 @@ net.minecraft.client.GameSettings net.minecraft.client.settings.GameSettings
 net.minecraft.client.gui.NewChatGui net.minecraft.client.gui.GuiNewChat
 net.minecraft.client.gui.screen.MainMenuScreen net.minecraft.client.gui.GuiMainMenu
 net.minecraft.network.play.server.SChatPacket net.minecraft.network.play.server.SPacketChat
-
-
-
-
-
diff --git a/versions/1.16.2-1.15.2.txt b/versions/1.16.2-1.15.2.txt
deleted file mode 100644
index 4eab6c5..0000000
--- a/versions/1.16.2-1.15.2.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-net.minecraft.util.math.vector.Matrix3f net.minecraft.client.renderer.Matrix3f
-net.minecraft.util.math.vector.Matrix4f net.minecraft.client.renderer.Matrix4f
-net.minecraft.util.math.vector.Quaternion net.minecraft.client.renderer.Quaternion
-net.minecraft.util.math.vector.Vector3f net.minecraft.client.renderer.Vector3f