diff --git a/src/main/java/net/aufdemrand/denizen/scripts/commands/world/ModifyBlockCommand.java b/src/main/java/net/aufdemrand/denizen/scripts/commands/world/ModifyBlockCommand.java
index 4b29858c83..e9dfa8512d 100644
--- a/src/main/java/net/aufdemrand/denizen/scripts/commands/world/ModifyBlockCommand.java
+++ b/src/main/java/net/aufdemrand/denizen/scripts/commands/world/ModifyBlockCommand.java
@@ -226,11 +226,10 @@ boolean preSetup(dLocation loc0) {
         // Freeze the first world in the list.
         // TODO: make this do all worlds from the locations in the list
         CraftWorld craftWorld = (CraftWorld)loc0.getWorld();
-       // boolean was_static = craftWorld.getHandle().isStatic; // TODO: 1.8.3 update
+        boolean was_static = craftWorld.getHandle().isClientSide;
         if (no_physics)
             setWorldIsStatic(loc0.getWorld(), true);
-       // return was_static; // TODO: 1.8.3 update
-        return false; // TODO: 1.8.3 update
+        return was_static;
     }
 
     void postComplete(Location loc, boolean was_static) {
@@ -247,7 +246,7 @@ void setWorldIsStatic(World world, boolean isStatic) {
         try {
             CraftWorld craftWorld = (CraftWorld) world;
             if (isStaticField == null) {
-                    isStaticField = craftWorld.getHandle().getClass().getField("isStatic"); // TODO: 1.8.3 update
+                    isStaticField = craftWorld.getHandle().getClass().getField("isClientSide");
                     isStaticField.setAccessible(true);
                     Field modifiersField = Field.class.getDeclaredField("modifiers");
                     modifiersField.setAccessible(true);
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/BiomeNMS.java b/src/main/java/net/aufdemrand/denizen/utilities/BiomeNMS.java
index 96c28d9bbb..f0b82d1054 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/BiomeNMS.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/BiomeNMS.java
@@ -171,7 +171,7 @@ private void setDoesSnow(boolean doesSnow) {
             dB.echoError(e);
         }
         try {
-            rains = BiomeBase.class.getDeclaredField("ay"); // TODO: Are these accurate (1.8.3)?
+            rains = BiomeBase.class.getDeclaredField("ay");
             rains.setAccessible(true);
         } catch (Exception e) {
             dB.echoError(e);
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/entity/RabbitType.java b/src/main/java/net/aufdemrand/denizen/utilities/entity/RabbitType.java
index 1ce17b3e12..93356e25db 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/entity/RabbitType.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/entity/RabbitType.java
@@ -14,12 +14,11 @@ public enum RabbitType {
     KILLER(6,99);
 
     public static RabbitType getRabbitType(Rabbit rabbit) {
-        // return RabbitType.getType(getEntityRabbit(rabbit).cl()); // TODO: 1.8.3 update
-        return BROWN; // TODO: 1.8.3 update
+        return RabbitType.getType(getEntityRabbit(rabbit).getRabbitType());
     }
 
     public static void setRabbitType(Rabbit rabbit, RabbitType type) {
-        // getEntityRabbit(rabbit).r(type.getId()); // TODO: 1.8.3 update
+        getEntityRabbit(rabbit).setRabbitType(type.getId());
     }
 
     private static EntityRabbit getEntityRabbit(Rabbit rabbit) {
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/ActionBar.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/ActionBar.java
index 96e5cabfe5..3b56877190 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/ActionBar.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/ActionBar.java
@@ -14,7 +14,7 @@ public class ActionBar {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutChat.class);
-        chat_message = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        chat_message = fields.get("a");
         chat_type = fields.get("b");
     }
 
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayHeaderFooter.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayHeaderFooter.java
index 98dcfdbd16..81051f106b 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayHeaderFooter.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayHeaderFooter.java
@@ -14,7 +14,7 @@ public class DisplayHeaderFooter {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutPlayerListHeaderFooter.class);
-        tab_header = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        tab_header = fields.get("a");
         tab_footer = fields.get("b");
     }
 
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayTitle.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayTitle.java
index a7cb63b562..269b4a47c2 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayTitle.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/DisplayTitle.java
@@ -14,7 +14,7 @@ public class DisplayTitle {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutTitle.class);
-        title_action = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        title_action = fields.get("a");
         chat_component = fields.get("b");
         fade_in_ticks = fields.get("c");
         stay_ticks = fields.get("d");
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/EntityEquipment.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/EntityEquipment.java
index 87b944f96a..5c7a5bb06d 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/EntityEquipment.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/EntityEquipment.java
@@ -23,7 +23,7 @@ public enum EquipmentSlots {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutEntityEquipment.class);
-        equipment_entityId = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        equipment_entityId = fields.get("a");
         equipment_slot = fields.get("b");
         equipment_itemstack = fields.get("c");
     }
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/ItemChangeMessage.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/ItemChangeMessage.java
index 1a23d5bcdf..9ee9cd69b5 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/ItemChangeMessage.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/ItemChangeMessage.java
@@ -24,7 +24,7 @@ public class ItemChangeMessage implements Listener {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutSetSlot.class);
-        slot_inventoryId = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        slot_inventoryId = fields.get("a");
         slot_slotId = fields.get("b");
         slot_item = fields.get("c");
         DenizenAPI.getCurrentInstance().getServer().getPluginManager().registerEvents(new ItemChangeMessage(),
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/OpenBook.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/OpenBook.java
index db9a0249a8..7c673dd6d1 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/OpenBook.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/OpenBook.java
@@ -15,7 +15,7 @@ public class OpenBook {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutCustomPayload.class);
-        channel = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        channel = fields.get("a");
         packet_data = fields.get("b");
     }
 
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerBars.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerBars.java
index 2c087ec728..6bc9b0f6ea 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerBars.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerBars.java
@@ -16,7 +16,7 @@ public class PlayerBars {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutExperience.class);
-        xp_current = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        xp_current = fields.get("a");
         xp_total = fields.get("b");
         xp_level = fields.get("c");
 
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerSpectateEntity.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerSpectateEntity.java
index b2683562c7..796abe2a5f 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerSpectateEntity.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/PlayerSpectateEntity.java
@@ -14,7 +14,7 @@ public class PlayerSpectateEntity {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutCamera.class);
-        entity_id = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        entity_id = fields.get("a");
     }
 
     public static PacketPlayOutCamera getCameraPacket(Entity entity) {
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/SignEditor.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/SignEditor.java
index c333365578..5d545bcfe3 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/SignEditor.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/SignEditor.java
@@ -19,7 +19,7 @@ public class SignEditor {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutOpenSignEditor.class);
-        sign_location = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        sign_location = fields.get("a");
     }
 
     public static PacketPlayOutOpenSignEditor getSignEditorPacket(Location location) {
diff --git a/src/main/java/net/aufdemrand/denizen/utilities/packets/SignUpdate.java b/src/main/java/net/aufdemrand/denizen/utilities/packets/SignUpdate.java
index 474854a0ee..66fae82bac 100644
--- a/src/main/java/net/aufdemrand/denizen/utilities/packets/SignUpdate.java
+++ b/src/main/java/net/aufdemrand/denizen/utilities/packets/SignUpdate.java
@@ -18,7 +18,7 @@ public class SignUpdate {
 
     static {
         Map<String, Field> fields = PacketHelper.registerFields(PacketPlayOutUpdateSign.class);
-        sign_world = fields.get("a"); // TODO: Are these accurate (1.8.3)?
+        sign_world = fields.get("a");
         sign_location = fields.get("b");
         sign_lines = fields.get("c");
     }