diff --git a/pom.xml b/pom.xml
index 78aed2f..e4607e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.viaversion</groupId>
     <artifactId>nbt</artifactId>
-    <version>3.3.0</version>
+    <version>3.4.0</version>
     <packaging>jar</packaging>
 
     <name>ViaNBT</name>
diff --git a/src/main/java/com/github/steveice10/opennbt/tag/builtin/CompoundTag.java b/src/main/java/com/github/steveice10/opennbt/tag/builtin/CompoundTag.java
index 8212d59..0ca1949 100644
--- a/src/main/java/com/github/steveice10/opennbt/tag/builtin/CompoundTag.java
+++ b/src/main/java/com/github/steveice10/opennbt/tag/builtin/CompoundTag.java
@@ -112,9 +112,9 @@ public class CompoundTag extends Tag implements Iterable<Entry<String, Tag>> {
     /**
      * Puts the tag into this compound tag.
      *
-     * @param <T>  Type of tag to put.
+     * @param <T>     Type of tag to put.
      * @param tagName Name of the tag.
-     * @param tag  Tag to put into this compound tag.
+     * @param tag     Tag to put into this compound tag.
      * @return The previous tag associated with its name, or null if there wasn't one.
      */
     @Nullable
@@ -122,6 +122,42 @@ public class CompoundTag extends Tag implements Iterable<Entry<String, Tag>> {
         return (T) this.value.put(tagName, tag);
     }
 
+    public void putString(String tagName, String value) {
+        this.value.put(tagName, new StringTag(value));
+    }
+
+    public void putByte(String tagName, byte value) {
+        this.value.put(tagName, new ByteTag(value));
+    }
+
+    public void putInt(String tagName, int value) {
+        this.value.put(tagName, new IntTag(value));
+    }
+
+    public void putShort(String tagName, short value) {
+        this.value.put(tagName, new ShortTag(value));
+    }
+
+    public void putLong(String tagName, long value) {
+        this.value.put(tagName, new LongTag(value));
+    }
+
+    public void putFloat(String tagName, float value) {
+        this.value.put(tagName, new FloatTag(value));
+    }
+
+    public void putDouble(String tagName, double value) {
+        this.value.put(tagName, new DoubleTag(value));
+    }
+
+    public void putBoolean(String tagName, boolean value) {
+        this.value.put(tagName, new ByteTag((byte) (value ? 1 : 0)));
+    }
+
+    public void putAll(CompoundTag compoundTag) {
+        this.value.putAll(compoundTag.value);
+    }
+
     /**
      * Removes a tag from this compound tag.
      *
diff --git a/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java b/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java
index 04f213a..087f3bd 100644
--- a/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java
+++ b/src/main/java/com/github/steveice10/opennbt/tag/builtin/ListTag.java
@@ -134,6 +134,10 @@ public class ListTag extends Tag implements Iterable<Tag> {
         return this.value.size();
     }
 
+    public boolean isEmpty() {
+        return this.value.isEmpty();
+    }
+
     @Override
     public Iterator<Tag> iterator() {
         return this.value.iterator();