diff --git a/README.md b/README.md
index b32cf4c..3c4881d 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,9 @@ First, include the API using Maven:
 
 ```xml
 <repository>
-    <id>sbdevelopment-repo</id>
-    <url>https://repo.sbdevelopment.tech/repository/maven-releases/</url>
+    <id>sbdevelopment-releases</id>
+    <name>SBDevelopment Repository</name>
+    <url>https://repo.sbdevelopment.tech/releases</url>
 </repository>
 
 <dependency>
diff --git a/pom.xml b/pom.xml
index 56eaa0f..c3b7699 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
     <groupId>tech.sbdevelopment</groupId>
     <artifactId>MapReflectionAPI</artifactId>
-    <version>1.4.1</version>
+    <version>1.4.2</version>
     <packaging>jar</packaging>
 
     <name>MapReflectionAPI</name>
@@ -38,8 +38,8 @@
 
     <distributionManagement>
         <repository>
-            <id>nexus-releases</id>
-            <url>https://repo.sbdevelopment.tech/repository/maven-releases/</url>
+            <id>sbdevelopment-repo</id>
+            <url>https://repo.sbdevelopment.tech/releases</url>
         </repository>
     </distributionManagement>
 
@@ -86,33 +86,6 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-deploy-plugin</artifactId>
-                <version>3.0.0</version>
-                <configuration>
-                    <skip>true</skip>
-                </configuration>
-            </plugin>
-            <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.13</version>
-                <executions>
-                    <execution>
-                        <id>default-deploy</id>
-                        <phase>deploy</phase>
-                        <goals>
-                            <goal>deploy</goal>
-                        </goals>
-                    </execution>
-                </executions>
-                <configuration>
-                    <serverId>nexus-releases</serverId>
-                    <nexusUrl>https://repo.sbdevelopment.tech/</nexusUrl>
-                    <skipStaging>true</skipStaging>
-                </configuration>
-            </plugin>
             <plugin>
                 <groupId>org.projectlombok</groupId>
                 <artifactId>lombok-maven-plugin</artifactId>
@@ -188,7 +161,7 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.19.2-R0.1-SNAPSHOT</version>
+            <version>1.19.3-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java
index f5f3393..56fcaed 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapSender.java
@@ -123,7 +123,7 @@ public class MapSender {
                     id, //ID
                     (byte) 0, //Scale, 0 = 1 block per pixel
                     false, //Show icons
-                    new ArrayList<>(), //Icons
+                    new ReflectionUtil.CollectionParam<>(), //Icons
                     updateData
             );
         } else if (ReflectionUtil.supports(14)) { //1.16-1.14
@@ -132,7 +132,7 @@ public class MapSender {
                     (byte) 0, //Scale, 0 = 1 block per pixel
                     false, //Tracking position
                     false, //Locked
-                    new ArrayList<>(), //Icons
+                    new ReflectionUtil.CollectionParam<>(), //Icons
                     content.array, //Data
                     content.minX, //X pos
                     content.minY, //Y pos
@@ -144,7 +144,7 @@ public class MapSender {
                     id, //ID
                     (byte) 0, //Scale, 0 = 1 block per pixel
                     false, //???
-                    new ArrayList<>(), //Icons
+                    new ReflectionUtil.CollectionParam<>(), //Icons
                     content.array, //Data
                     content.minX, //X pos
                     content.minY, //Y pos
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
index aaf671c..d572ec4 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
@@ -31,7 +31,11 @@ import tech.sbdevelopment.mapreflectionapi.api.exceptions.MapLimitExceededExcept
 import tech.sbdevelopment.mapreflectionapi.managers.Configuration;
 import tech.sbdevelopment.mapreflectionapi.utils.ReflectionUtil;
 
-import java.util.*;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
 
 /**
  * A {@link MapWrapper} wraps one image.
@@ -317,14 +321,6 @@ public class MapWrapper extends AbstractMapWrapper {
         private void sendItemFramePacket(Player player, int entityId, ItemStack stack, int mapId) {
             Object nmsStack = createCraftItemStack(stack, mapId);
 
-            Object dataWatcher = ReflectionUtil.callConstructorNull(dataWatcherClass, entityClass);
-
-            Object packet = ReflectionUtil.callConstructor(entityMetadataPacketClass,
-                    entityId,
-                    dataWatcher, //dummy watcher!
-                    true
-            );
-
             String dataWatcherObjectName;
             if (ReflectionUtil.supports(19)) { //1.19, same as 1.17 and 1.18(.2)
                 dataWatcherObjectName = "ao";
@@ -340,10 +336,41 @@ public class MapWrapper extends AbstractMapWrapper {
                 dataWatcherObjectName = "c";
             }
             Object dataWatcherObject = ReflectionUtil.getDeclaredField(entityItemFrameClass, dataWatcherObjectName);
-            Object dataWatcherItem = ReflectionUtil.callFirstConstructor(dataWatcherItemClass, dataWatcherObject, nmsStack);
-            List list = new ArrayList<>();
-            list.add(dataWatcherItem);
-            ReflectionUtil.setDeclaredField(packet, "b", list);
+
+            ReflectionUtil.ListParam list = new ReflectionUtil.ListParam<>();
+
+            Object packet;
+            if (ReflectionUtil.supports(19, 2)) { //1.19.3
+                Class<?> dataWatcherRecordClass = ReflectionUtil.getNMSClass("network.syncher", "DataWatcher$b");
+                // Sadly not possible to use ReflectionUtil (in its current state), because of the Object parameter
+                Object dataWatcherItem;
+                try {
+                    Method m = dataWatcherRecordClass.getMethod("a", dataWatcherObject.getClass(), Object.class);
+                    m.setAccessible(true);
+                    dataWatcherItem = m.invoke(null, dataWatcherObject, nmsStack);
+                } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
+                    ex.printStackTrace();
+                    return;
+                }
+                list.add(dataWatcherItem);
+
+                packet = ReflectionUtil.callConstructor(entityMetadataPacketClass,
+                        entityId,
+                        list
+                );
+            } else { //1.19.2 or lower
+                Object dataWatcher = ReflectionUtil.callConstructorNull(dataWatcherClass, entityClass);
+
+                packet = ReflectionUtil.callConstructor(entityMetadataPacketClass,
+                        entityId,
+                        dataWatcher, //dummy watcher!
+                        true
+                );
+
+                Object dataWatcherItem = ReflectionUtil.callFirstConstructor(dataWatcherItemClass, dataWatcherObject, nmsStack);
+                list.add(dataWatcherItem);
+                ReflectionUtil.setDeclaredField(packet, "b", list);
+            }
 
             ReflectionUtil.sendPacketSync(player, packet);
         }
diff --git a/src/main/java/tech/sbdevelopment/mapreflectionapi/utils/ReflectionUtil.java b/src/main/java/tech/sbdevelopment/mapreflectionapi/utils/ReflectionUtil.java
index 19ee0d9..324a27f 100644
--- a/src/main/java/tech/sbdevelopment/mapreflectionapi/utils/ReflectionUtil.java
+++ b/src/main/java/tech/sbdevelopment/mapreflectionapi/utils/ReflectionUtil.java
@@ -31,10 +31,7 @@ import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Objects;
+import java.util.*;
 import java.util.concurrent.CompletableFuture;
 
 /**
@@ -200,6 +197,24 @@ public class ReflectionUtil {
         return VER >= major && VER_MINOR >= minor;
     }
 
+    /**
+     * Helper class converted to {@link List}
+     *
+     * @param <E> The storage type
+     */
+    public static class ListParam<E> extends ArrayList<E> {
+
+    }
+
+    /**
+     * Helper class converted to {@link Collection}
+     *
+     * @param <E> The storage type
+     */
+    public static class CollectionParam<E> extends ArrayList<E> {
+
+    }
+
     private static Class<?> wrapperToPrimitive(Class<?> clazz) {
         if (clazz == Boolean.class) return boolean.class;
         if (clazz == Integer.class) return int.class;
@@ -210,7 +225,10 @@ public class ReflectionUtil {
         if (clazz == Byte.class) return byte.class;
         if (clazz == Void.class) return void.class;
         if (clazz == Character.class) return char.class;
-        if (clazz == ArrayList.class) return Collection.class;
+        if (clazz == CollectionParam.class) return Collection.class;
+        if (clazz == ListParam.class) return List.class;
+        if (clazz == ArrayList.class) return Collection.class; //LEGACY!
+        if (clazz == HashMap.class) return Map.class;
         return clazz;
     }