diff --git a/patches/server/0856-Fix-a-bunch-of-vanilla-bugs.patch b/patches/server/0856-Fix-a-bunch-of-vanilla-bugs.patch
index 6247c693828d..370fc2a4a2af 100644
--- a/patches/server/0856-Fix-a-bunch-of-vanilla-bugs.patch
+++ b/patches/server/0856-Fix-a-bunch-of-vanilla-bugs.patch
@@ -66,6 +66,9 @@ https://bugs.mojang.com/browse/MC-174630
 https://bugs.mojang.com/browse/MC-153086
   Fix the beacon deactivation sound always playing when broken
 
+https://bugs.mojang.com/browse/MC-259321
+  Fix spawners checking max nearby entities with correct type
+
 == AT ==
 public net/minecraft/world/entity/Mob leashInfoTag
 
@@ -124,7 +127,7 @@ index b71be5e7e18f884cf35cc3a940c87e744e00f811..81d3d664d4397e528a02e50469622c4f
          return this.anyPlayerCloseEnoughForSpawning(pos, false);
      }
 diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
-index 6b923585821a252943ea6a765c3b02217eb7a21e..008b0944dba1622e682ee21637273fb87f93dd37 100644
+index 1f1cdf5516eab738e5d434eb5f2933ff3d7a1359..c5f0439133f3ab609324f21f68027edebed049c5 100644
 --- a/src/main/java/net/minecraft/server/level/ServerLevel.java
 +++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
 @@ -1005,7 +1005,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
@@ -396,7 +399,7 @@ index ca6a2b9840c9ade87ec8effab01d4f184fe876b7..43129ecefcc8beccbcf2978f262b1ce8
                      stack.shrink(1);
                  }
 diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
-index ae2b95f53e875716489821dc9b0a3a35039bfcc9..9284c550ab2fe21331986a70eac414147662003d 100644
+index ae2b95f53e875716489821dc9b0a3a35039bfcc9..e4a5871d8f07e2b4c12b94b6372afe3a34b13071 100644
 --- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
 +++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
 @@ -46,6 +46,22 @@ public abstract class BaseSpawner {
@@ -408,8 +411,8 @@ index ae2b95f53e875716489821dc9b0a3a35039bfcc9..9284c550ab2fe21331986a70eac41414
 +        return new net.minecraft.world.level.entity.EntityTypeTest<>() {
 +            @Nullable
 +            @Override
-+            public T tryCast(B clazz) {
-+                return (T)(clazz.equals(clazz.getClass()) ? clazz : null);
++            public T tryCast(B entity) {
++                return (T)(clazz.equals(entity.getClass()) ? entity : null);
 +            }
 +
 +            @Override
diff --git a/patches/server/1013-Add-slot-sanity-checks-in-container-clicks.patch b/patches/server/1013-Add-slot-sanity-checks-in-container-clicks.patch
index eb79d542cebe..5aeb035c149f 100644
--- a/patches/server/1013-Add-slot-sanity-checks-in-container-clicks.patch
+++ b/patches/server/1013-Add-slot-sanity-checks-in-container-clicks.patch
@@ -22,7 +22,7 @@ index 236ab643cdd65b3572860aedf1f5ac18ff96139a..65bb221993147a558995b36fb835f7b8
                                  Slot clickedSlot = this.player.containerMenu.getSlot(packet.getSlotNum());
                                  if (clickedSlot.mayPickup(this.player)) {
 diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
-index 3ef712299fe248602b0b117c0a8e285cdf4e05c2..5d298b11f74cd2da47e6613ced621ab62aa73a7b 100644
+index 3ef712299fe248602b0b117c0a8e285cdf4e05c2..aea228ea9fee51c25a03ce1c54bf9dff0741e053 100644
 --- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
 +++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
 @@ -423,6 +423,7 @@ public abstract class AbstractContainerMenu {
@@ -33,10 +33,12 @@ index 3ef712299fe248602b0b117c0a8e285cdf4e05c2..5d298b11f74cd2da47e6613ced621ab6
                  slot = (Slot) this.slots.get(slotIndex);
                  itemstack = this.getCarried();
                  if (AbstractContainerMenu.canItemQuickReplace(slot, itemstack, true) && slot.mayPlace(itemstack) && (this.quickcraftType == 2 || itemstack.getCount() > this.quickcraftSlots.size()) && this.canDragTo(slot)) {
-@@ -598,6 +599,7 @@ public abstract class AbstractContainerMenu {
+@@ -597,7 +598,8 @@ public abstract class AbstractContainerMenu {
+                 Slot slot2;
                  int j2;
  
-                 if (actionType == ClickType.SWAP) {
+-                if (actionType == ClickType.SWAP) {
++                if (actionType == ClickType.SWAP && (button == 40 || button >= 0 && button < 9)) { // Paper
 +                    if (slotIndex < 0 || button < 0) return; // Paper
                      slot2 = (Slot) this.slots.get(slotIndex);
                      itemstack1 = playerinventory.getItem(button);