diff --git a/paper-server/patches/features/0031-SW-Remove-Worldlock-and-Symlink-Check.patch b/paper-server/patches/features/0031-SW-Remove-Worldlock-and-Symlink-Check.patch
new file mode 100644
index 000000000..c67d3e08c
--- /dev/null
+++ b/paper-server/patches/features/0031-SW-Remove-Worldlock-and-Symlink-Check.patch
@@ -0,0 +1,72 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Chaoscaot <chaos@chaoscaot.de>
+Date: Wed, 25 Dec 2024 12:18:00 +0100
+Subject: [PATCH] SW Remove Worldlock and Symlink Check
+
+
+diff --git a/net/minecraft/world/level/storage/LevelStorageSource.java b/net/minecraft/world/level/storage/LevelStorageSource.java
+index de43e54698125ce9f319d4889dd49f7029fe95e0..e21d744040bcf58b391f002f2dd1129e532ff1b6 100644
+--- a/net/minecraft/world/level/storage/LevelStorageSource.java
++++ b/net/minecraft/world/level/storage/LevelStorageSource.java
+@@ -343,7 +343,7 @@ public class LevelStorageSource {
+ 
+     public LevelStorageSource.LevelStorageAccess validateAndCreateAccess(String saveName, ResourceKey<LevelStem> dimensionType) throws IOException, ContentValidationException { // CraftBukkit
+         Path levelPath = this.getLevelPath(saveName);
+-        List<ForbiddenSymlinkInfo> list = Boolean.getBoolean("paper.disableWorldSymlinkValidation") ? List.of() : this.worldDirValidator.validateDirectory(levelPath, true); // Paper - add skipping of symlinks scan
++        List<ForbiddenSymlinkInfo> list = List.of(); // Paper - add skipping of symlinks scan
+         if (!list.isEmpty()) {
+             throw new ContentValidationException(levelPath, list);
+         } else {
+@@ -420,7 +420,6 @@ public class LevelStorageSource {
+     }
+ 
+     public class LevelStorageAccess implements AutoCloseable {
+-        final DirectoryLock lock;
+         public final LevelStorageSource.LevelDirectory levelDirectory;
+         private final String levelId;
+         private final Map<LevelResource, Path> resources = Maps.newHashMap();
+@@ -432,7 +431,6 @@ public class LevelStorageSource {
+             // CraftBukkit end
+             this.levelId = levelId;
+             this.levelDirectory = new LevelStorageSource.LevelDirectory(levelDir);
+-            this.lock = DirectoryLock.create(levelDir);
+         }
+ 
+         public long estimateDiskSpace() {
+@@ -476,9 +474,7 @@ public class LevelStorageSource {
+         }
+ 
+         private void checkLock() {
+-            if (!this.lock.isValid()) {
+-                throw new IllegalStateException("Lock is no longer valid");
+-            }
++            //nope
+         }
+ 
+         public PlayerDataStorage createPlayerStorage() {
+@@ -532,7 +528,7 @@ public class LevelStorageSource {
+         }
+ 
+         public Optional<Path> getIconFile() {
+-            return !this.lock.isValid() ? Optional.empty() : Optional.of(this.levelDirectory.iconFile());
++            return Optional.of(this.levelDirectory.iconFile());
+         }
+ 
+         public void deleteLevel() throws IOException {
+@@ -561,7 +557,6 @@ public class LevelStorageSource {
+                                 throw exception;
+                             } else {
+                                 if (dir.equals(LevelStorageAccess.this.levelDirectory.path())) {
+-                                    LevelStorageAccess.this.lock.close();
+                                     Files.deleteIfExists(path);
+                                 }
+ 
+@@ -645,7 +640,7 @@ public class LevelStorageSource {
+ 
+         @Override
+         public void close() throws IOException {
+-            this.lock.close();
++            //ignored
+         }
+ 
+         public boolean restoreLevelDataFromOld() {
diff --git a/steamwarci.yml b/steamwarci.yml
new file mode 100644
index 000000000..58dcbf245
--- /dev/null
+++ b/steamwarci.yml
@@ -0,0 +1,11 @@
+build:
+  - "JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64 ./gradlew applyPatches"
+  - "JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64 ./gradlew createMojmapBundlerJar"
+  - "JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64 ./gradlew --stop"
+
+artifacts:
+  "/binarys/paper-1.21.4.jar": "paper-server/build/libs/paper-bundler-1.21.4-R0.1-SNAPSHOT-mojmap.jar"
+  "/binarys/spigot-1.21.4-inner.jar": "paper-server/build/libs/paper-server-1.21.4-R0.1-SNAPSHOT.jar"
+
+release:
+  - "mvn deploy:deploy-file -DgroupId=de.steamwar -DartifactId=spigot -Dversion=1.21 -Dpackaging=jar -Dfile=paper-server/build/libs/paper-server-1.21.4-R0.1-SNAPSHOT.jar -Durl=file:///var/www/html/maven/"