diff --git a/pom.xml b/pom.xml
index dba87ac0..7e884b8b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.bukkit</groupId>
     <artifactId>bukkit</artifactId>
-    <version>1.20.1-R0.1-SNAPSHOT</version>
+    <version>1.20.2-R0.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Bukkit</name>
@@ -35,14 +35,14 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>31.1-jre</version>
+            <version>32.1.2-jre</version>
             <scope>compile</scope>
         </dependency>
         <!-- bundled with Minecraft, should be kept in sync -->
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.10</version>
+            <version>2.10.1</version>
             <scope>compile</scope>
         </dependency>
         <!-- bundled with Minecraft, should be kept in sync -->
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>2.0</version>
+            <version>2.2</version>
             <scope>compile</scope>
         </dependency>
         <!-- not part of the API proper -->
diff --git a/src/main/java/org/bukkit/GameEvent.java b/src/main/java/org/bukkit/GameEvent.java
index 6dbfc2ce..9112386f 100644
--- a/src/main/java/org/bukkit/GameEvent.java
+++ b/src/main/java/org/bukkit/GameEvent.java
@@ -32,8 +32,11 @@ public abstract class GameEvent implements Keyed {
     public static final GameEvent ENTITY_INTERACT = getEvent("entity_interact");
     public static final GameEvent ENTITY_MOUNT = getEvent("entity_mount");
     public static final GameEvent ENTITY_PLACE = getEvent("entity_place");
-    public static final GameEvent ENTITY_ROAR = getEvent("entity_roar");
-    public static final GameEvent ENTITY_SHAKE = getEvent("entity_shake");
+    public static final GameEvent ENTITY_ACTION = getEvent("entity_action");
+    @Deprecated
+    public static final GameEvent ENTITY_ROAR = getEvent("entity_action");
+    @Deprecated
+    public static final GameEvent ENTITY_SHAKE = getEvent("entity_action");
     public static final GameEvent EQUIP = getEvent("equip");
     public static final GameEvent EXPLODE = getEvent("explode");
     public static final GameEvent FLAP = getEvent("flap");
@@ -57,6 +60,7 @@ public abstract class GameEvent implements Keyed {
     public static final GameEvent STEP = getEvent("step");
     public static final GameEvent SWIM = getEvent("swim");
     public static final GameEvent TELEPORT = getEvent("teleport");
+    public static final GameEvent UNEQUIP = getEvent("unequip");
     public static final GameEvent RESONATE_1 = getEvent("resonate_1");
     public static final GameEvent RESONATE_2 = getEvent("resonate_2");
     public static final GameEvent RESONATE_3 = getEvent("resonate_3");
diff --git a/src/main/java/org/bukkit/GameRule.java b/src/main/java/org/bukkit/GameRule.java
index 753bfcec..9443baf6 100644
--- a/src/main/java/org/bukkit/GameRule.java
+++ b/src/main/java/org/bukkit/GameRule.java
@@ -206,6 +206,10 @@ public final class GameRule<T> {
      * Whether vines will spread.
      */
     public static final GameRule<Boolean> DO_VINES_SPREAD = new GameRule<>("doVinesSpread", Boolean.class);
+    /**
+     * Whether ender pearls will vanish on player death.
+     */
+    public static final GameRule<Boolean> ENDER_PEARLS_VANISH_ON_DEATH = new GameRule<>("enderPearlsVanishOnDeath", Boolean.class);
 
     // Numerical rules
     /**
diff --git a/src/main/java/org/bukkit/Material.java b/src/main/java/org/bukkit/Material.java
index c7a75a9f..15e97ae2 100644
--- a/src/main/java/org/bukkit/Material.java
+++ b/src/main/java/org/bukkit/Material.java
@@ -1193,7 +1193,10 @@ public enum Material implements Keyed, Translatable {
     GREEN_TERRACOTTA(4105),
     RED_TERRACOTTA(5086),
     BLACK_TERRACOTTA(26691),
-    BARRIER(26453),
+    /**
+     * BlockData: {@link Waterlogged}
+     */
+    BARRIER(26453, Waterlogged.class),
     /**
      * BlockData: {@link Light}
      */
diff --git a/src/main/java/org/bukkit/RegionAccessor.java b/src/main/java/org/bukkit/RegionAccessor.java
index a73c954a..0f191a81 100644
--- a/src/main/java/org/bukkit/RegionAccessor.java
+++ b/src/main/java/org/bukkit/RegionAccessor.java
@@ -3,6 +3,7 @@ package org.bukkit;
 import java.util.Collection;
 import java.util.List;
 import java.util.Random;
+import java.util.function.Consumer;
 import java.util.function.Predicate;
 import org.bukkit.block.Biome;
 import org.bukkit.block.BlockState;
@@ -11,7 +12,6 @@ import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.LivingEntity;
-import org.bukkit.util.Consumer;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
diff --git a/src/main/java/org/bukkit/Tag.java b/src/main/java/org/bukkit/Tag.java
index f33d9ead..e13374f4 100644
--- a/src/main/java/org/bukkit/Tag.java
+++ b/src/main/java/org/bukkit/Tag.java
@@ -262,6 +262,10 @@ public interface Tag<T extends Keyed> extends Keyed {
      * Vanilla block tag representing all terracotta.
      */
     Tag<BlockType<?>> TERRACOTTA = Bukkit.getTag(REGISTRY_BLOCKS, NamespacedKey.minecraft("terracotta"), BlockType.class);
+    /**
+     * Vanilla block tag representing all concrete powder.
+     */
+    Tag<BlockType<?>> CONCRETE_POWDER = Bukkit.getTag(REGISTRY_BLOCKS, NamespacedKey.minecraft("concrete_powder"), BlockType.class);
     /**
      * Vanilla block tag representing all blocks which complete the find tree
      * tutorial.
@@ -501,6 +505,10 @@ public interface Tag<T extends Keyed> extends Keyed {
      * Vanilla block tag representing all blocks that play combination step sounds.
      */
     Tag<BlockType<?>> COMBINATION_STEP_SOUND_BLOCKS = Bukkit.getTag(REGISTRY_BLOCKS, NamespacedKey.minecraft("combination_step_sound_blocks"), BlockType.class);
+    /**
+     * Vanilla block tag representing all blocks that play step sounds with camels on sand.
+     */
+    Tag<BlockType<?>> CAMEL_SAND_STEP_SOUND_BLOCKS = Bukkit.getTag(REGISTRY_BLOCKS, NamespacedKey.minecraft("camel_sand_step_sound_blocks"), BlockType.class);
     /**
      * Vanilla block tag representing all blocks that block vibration signals.
      */
@@ -952,6 +960,10 @@ public interface Tag<T extends Keyed> extends Keyed {
      * Vanilla tag representing entities which are dismounted when underwater.
      */
     Tag<EntityType<?>> ENTITY_TYPES_DISMOUNTS_UNDERWATER = Bukkit.getTag(REGISTRY_ENTITY_TYPES, NamespacedKey.minecraft("dismounts_underwater"), EntityType.class);
+    /**
+     * Vanilla tag representing entities which are not controlled by their mount.
+     */
+    Tag<EntityType<?>> ENTITY_TYPES_NON_CONTROLLING_RIDER = Bukkit.getTag(REGISTRY_ENTITY_TYPES, NamespacedKey.minecraft("non_controlling_rider"), EntityType.class);
 
     /**
      * Returns whether or not this tag has an entry for the specified item.
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index 50e74378..23bf6da6 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -6,6 +6,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.function.Consumer;
 import java.util.function.Predicate;
 import org.bukkit.block.Biome;
 import org.bukkit.block.Block;
@@ -33,7 +34,6 @@ import org.bukkit.persistence.PersistentDataHolder;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.messaging.PluginMessageRecipient;
 import org.bukkit.util.BoundingBox;
-import org.bukkit.util.Consumer;
 import org.bukkit.util.RayTraceResult;
 import org.bukkit.util.StructureSearchResult;
 import org.bukkit.util.Vector;
@@ -521,7 +521,7 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
      * @param delegate A class to call for each block changed as a result of
      *     this method
      * @return true if the tree was created successfully, otherwise false
-     * @see #generateTree(org.bukkit.Location, java.util.Random, org.bukkit.TreeType, org.bukkit.util.Consumer)
+     * @see #generateTree(org.bukkit.Location, java.util.Random, org.bukkit.TreeType, java.util.function.Consumer)
      * @deprecated this method does not handle tile entities (bee nests)
      */
     @Deprecated
diff --git a/src/main/java/org/bukkit/attribute/Attribute.java b/src/main/java/org/bukkit/attribute/Attribute.java
index adccc6e3..542b87d3 100644
--- a/src/main/java/org/bukkit/attribute/Attribute.java
+++ b/src/main/java/org/bukkit/attribute/Attribute.java
@@ -57,6 +57,10 @@ public abstract class Attribute extends OldEnum<Attribute> implements Keyed {
      * Luck bonus of an Entity.
      */
     public static final Attribute GENERIC_LUCK = getAttribute("generic.luck");
+    /**
+     * Maximum absorption of an Entity.
+     */
+    MAX_ABSORPTION("generic.max_absorption"),
     /**
      * Strength with which a horse will jump.
      */
diff --git a/src/main/java/org/bukkit/inventory/meta/BundleMeta.java b/src/main/java/org/bukkit/inventory/meta/BundleMeta.java
index bc992fdf..e4c69a02 100644
--- a/src/main/java/org/bukkit/inventory/meta/BundleMeta.java
+++ b/src/main/java/org/bukkit/inventory/meta/BundleMeta.java
@@ -1,10 +1,14 @@
 package org.bukkit.inventory.meta;
 
 import java.util.List;
+import org.bukkit.MinecraftExperimental;
 import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+@MinecraftExperimental
+@ApiStatus.Experimental
 public interface BundleMeta extends ItemMeta {
 
     /**
@@ -24,7 +28,7 @@ public interface BundleMeta extends ItemMeta {
 
     /**
      * Sets the items stored in this item.
-     *
+     * <br>
      * Removes all items when given null.
      *
      * @param items the items to set
diff --git a/src/main/java/org/bukkit/map/MapCursor.java b/src/main/java/org/bukkit/map/MapCursor.java
index 83354b2a..b90fd819 100644
--- a/src/main/java/org/bukkit/map/MapCursor.java
+++ b/src/main/java/org/bukkit/map/MapCursor.java
@@ -222,7 +222,7 @@ public final class MapCursor {
     /**
      * Represents the standard types of map cursors. More may be made
      * available by resource packs - the value is used by the client as an
-     * index in the file './misc/mapicons.png' from minecraft.jar or from a
+     * index in the file './assets/minecraft/textures/map/map_icons.png' from minecraft.jar or from a
      * resource pack.
      */
     public enum Type {
@@ -252,7 +252,15 @@ public final class MapCursor {
         BANNER_GREEN(23),
         BANNER_RED(24),
         BANNER_BLACK(25),
-        RED_X(26);
+        RED_X(26),
+        DESERT_VILLAGE(27),
+        PLAINS_VILLAGE(28),
+        SAVANNA_VILLAGE(29),
+        SNOWY_VILLAGE(30),
+        TAIGA_VILLAGE(31),
+        JUNGLE_TEMPLE(32),
+        SWAMP_HUT(33),
+        ;
 
         private byte value;
 
diff --git a/src/main/java/org/bukkit/packs/DataPack.java b/src/main/java/org/bukkit/packs/DataPack.java
index 744d8c05..e424680e 100644
--- a/src/main/java/org/bukkit/packs/DataPack.java
+++ b/src/main/java/org/bukkit/packs/DataPack.java
@@ -34,7 +34,9 @@ public interface DataPack extends Keyed {
      * This is related to the server version to work.
      *
      * @return the pack version
+     * @deprecated packs can support multiple versions
      */
+    @Deprecated
     public int getPackFormat();
 
     /**
diff --git a/src/main/java/org/bukkit/potion/PotionEffect.java b/src/main/java/org/bukkit/potion/PotionEffect.java
index 66dfed07..88f720ab 100644
--- a/src/main/java/org/bukkit/potion/PotionEffect.java
+++ b/src/main/java/org/bukkit/potion/PotionEffect.java
@@ -5,6 +5,7 @@ import com.google.common.collect.ImmutableMap;
 import java.util.Map;
 import java.util.NoSuchElementException;
 import org.bukkit.Color;
+import org.bukkit.NamespacedKey;
 import org.bukkit.configuration.serialization.ConfigurationSerializable;
 import org.bukkit.configuration.serialization.SerializableAs;
 import org.bukkit.entity.LivingEntity;
@@ -108,8 +109,14 @@ public class PotionEffect implements ConfigurationSerializable {
 
     @NotNull
     private static PotionEffectType getEffectType(@NotNull Map<?, ?> map) {
-        int type = getInt(map, TYPE);
-        PotionEffectType effect = PotionEffectType.getById(type);
+        PotionEffectType effect;
+        if (map.get(TYPE) instanceof String) {
+            String type = (String) map.get(TYPE);
+            effect = PotionEffectType.getByKey(NamespacedKey.fromString(type));
+        } else {
+            int type = getInt(map, TYPE);
+            effect = PotionEffectType.getById(type);
+        }
         if (effect != null) {
             return effect;
         }
@@ -136,7 +143,7 @@ public class PotionEffect implements ConfigurationSerializable {
     @NotNull
     public Map<String, Object> serialize() {
         return ImmutableMap.<String, Object>builder()
-            .put(TYPE, type.getId())
+            .put(TYPE, type.getKey().toString())
             .put(DURATION, duration)
             .put(AMPLIFIER, amplifier)
             .put(AMBIENT, ambient)
diff --git a/src/main/java/org/bukkit/potion/PotionEffectTypeWrapper.java b/src/main/java/org/bukkit/potion/PotionEffectTypeWrapper.java
index 7a2ee20d..835752c9 100644
--- a/src/main/java/org/bukkit/potion/PotionEffectTypeWrapper.java
+++ b/src/main/java/org/bukkit/potion/PotionEffectTypeWrapper.java
@@ -34,7 +34,7 @@ public class PotionEffectTypeWrapper extends PotionEffectType {
      */
     @NotNull
     public PotionEffectType getType() {
-        return PotionEffectType.getById(getId());
+        return PotionEffectType.getByKey(getKey());
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/util/Consumer.java b/src/main/java/org/bukkit/util/Consumer.java
index fb9e6b90..dd6bfbc4 100644
--- a/src/main/java/org/bukkit/util/Consumer.java
+++ b/src/main/java/org/bukkit/util/Consumer.java
@@ -5,13 +5,19 @@ package org.bukkit.util;
  * result.
  *
  * @param <T> the type of the input to the operation
+ * @deprecated Use {@link java.util.function.Consumer} instead
  */
-public interface Consumer<T> {
+// Bukkit developer note (NOT plugin developers):
+// NEVER use this consumer in the API.
+// API methods which use this consumer will be remapped to Java's consumer at runtime, resulting in an error.
+@Deprecated
+public interface Consumer<T> extends java.util.function.Consumer<T> {
 
     /**
      * Performs this operation on the given argument.
      *
      * @param t the input argument
      */
+    @Override
     void accept(T t);
 }