diff --git a/gradle.properties b/gradle.properties
index 995017d1b..5dda1c17e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ group=com.lokamc.slice
 version=1.19.2-R0.1-SNAPSHOT
 
 mcVersion=1.19.2
-paperRef=3f0415b45303568fe5d362dc3fa27b3a4ca680eb
+paperRef=4ba43fe02a01abbbccac73f6ff992b6c667accb0
 
 org.gradle.caching=true
 org.gradle.parallel=true
diff --git a/patches/server/0001-Build-Changes.patch b/patches/server/0001-Build-Changes.patch
index 9d8ae478c..5bc9813b8 100644
--- a/patches/server/0001-Build-Changes.patch
+++ b/patches/server/0001-Build-Changes.patch
@@ -42,10 +42,10 @@ index 2374cc9bab5039d0a0dc11d4b2ec573ab75778a7..698300a50aa20b81eac15ebef7586c97
      standardInput = System.`in`
      workingDir = rootProject.layout.projectDirectory
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index 081c7160cf727646cdec4cd551dbc2aad56326f6..bcf30fc12e3e4e74fdc2bcc30fc67dcb55592e93 100644
+index dd9ab51e904be2f2f2a2981d4f0f6638a6895e8d..03e67e89c4c5c1d79cdc3d2ae5d24d603f656758 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -1656,7 +1656,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -1672,7 +1672,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      @DontObfuscate
      public String getServerModName() {
@@ -55,7 +55,7 @@ index 081c7160cf727646cdec4cd551dbc2aad56326f6..bcf30fc12e3e4e74fdc2bcc30fc67dcb
  
      public SystemReport fillSystemReport(SystemReport details) {
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 964ec590ef5302576ecb3ba2b8ea95dbc2acf103..5d86c4e1de032e8667b3ad2a10848ca9cca2527a 100644
+index b777c1294370bdc68bc6265b039e2a405d89f2f5..cc3bbecd867a052151cb79e0d491e2d18294b204 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -248,7 +248,7 @@ import javax.annotation.Nullable; // Paper
diff --git a/patches/server/0019-Unfreeze-MappedRegistry.patch b/patches/server/0019-Unfreeze-MappedRegistry.patch
new file mode 100644
index 000000000..381103474
--- /dev/null
+++ b/patches/server/0019-Unfreeze-MappedRegistry.patch
@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Cryptite <cryptite@gmail.com>
+Date: Tue, 16 Aug 2022 08:27:13 -0500
+Subject: [PATCH] Unfreeze MappedRegistry
+
+
+diff --git a/src/main/java/net/minecraft/core/MappedRegistry.java b/src/main/java/net/minecraft/core/MappedRegistry.java
+index 3ef5d440fd3ce209110543bfd36569e846a5b749..7afb07a24c21706473c28a058214e81ebff1ab0a 100644
+--- a/src/main/java/net/minecraft/core/MappedRegistry.java
++++ b/src/main/java/net/minecraft/core/MappedRegistry.java
+@@ -331,6 +331,8 @@ public class MappedRegistry<T> extends WritableRegistry<T> {
+ 
+     @Override
+     public Registry<T> freeze() {
++        if (true) return this; // Slice (a TODO in Paper, thanks Owen)
++
+         this.frozen = true;
+         List<ResourceLocation> list = this.byKey.entrySet().stream().filter((entry) -> {
+             return !entry.getValue().isBound();