Updated Upstream (Paper)

Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@3af5e771 Add Player#give (#11995)
PaperMC/Paper@7e21cb81 fix PlayerChangedMainHandEvent javadoc (#12020)
PaperMC/Paper@5a34bf04 Correctly retrun true for empty input shapes in EntityGetter#isUnobstructed
PaperMC/Paper@a392d475 Make Watchdog thread extend TickThread

Author: granny

gradle.properties

@@ -2,7 +2,7 @@ group = org.purpurmc.purpur
 version = 1.21.4-R0.1-SNAPSHOT
 
 mcVersion = 1.21.4
-paperCommit = fb5b173c6a742c584413c8fc8b7c871d79234756
+paperCommit = a392d475c28c62f25992de49d5d137b098e4ad92
 
 org.gradle.configuration-cache = true
 org.gradle.caching = true

purpur-api/paper-patches/files/src/main/java/org/bukkit/entity/Player.java.patch

@@ -1,9 +1,9 @@
 --- a/src/main/java/org/bukkit/entity/Player.java
 +++ b/src/main/java/org/bukkit/entity/Player.java
-@@ -3892,4 +_,123 @@
+@@ -3928,4 +_,123 @@
+      * @return the result of this method, holding leftovers and spawned items.
       */
-     void sendEntityEffect(org.bukkit.@NotNull EntityEffect effect, @NotNull Entity target);
-     // Paper end - entity effect API
+     @NotNull PlayerGiveResult give(@NotNull Collection<@NotNull ItemStack> items, boolean dropIfFull);
 +
 +    // Purpur start
 +    /**

purpur-server/paper-patches/features/0005-Add-EntityTeleportHinderedEvent.patch

@@ -29,18 +29,18 @@ index c843d28de6cdd7fa25cfbfe7cf071de063df05f8..3bb597cbce650e408273c07a7c120845
          }
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 5c3c4afe3a319810763156bdfc7305d96e6b7b11..6165a7ed3c3f1fa9e6be737dbfc094609d0f9c96 100644
+index fa850e952a01fbdc0c51ebe4055c82a6c3086fbb..f4d45ef506172c7c8ca65beeee7536f09c0c0284 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-@@ -1433,6 +1433,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+@@ -1438,6 +1438,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
          // Paper start - Teleport passenger API
          // Don't allow teleporting between worlds while keeping passengers
          if (ignorePassengers && entity.isVehicle() && location.getWorld() != this.getWorld()) {
 +            if (!new org.purpurmc.purpur.event.entity.EntityTeleportHinderedEvent(entity.getBukkitEntity(), org.purpurmc.purpur.event.entity.EntityTeleportHinderedEvent.Reason.IS_VEHICLE, cause).callEvent()) // Purpur - Add EntityTeleportHinderedEvent
              return false;
          }
 
-@@ -1454,6 +1455,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+@@ -1459,6 +1460,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
          }
 
          if (entity.isVehicle() && !ignorePassengers) { // Paper - Teleport API

purpur-server/paper-patches/files/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java.patch

@@ -1,6 +1,6 @@
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-@@ -586,10 +_,15 @@
+@@ -591,10 +_,15 @@
 
      @Override
      public void setPlayerListName(String name) {
@@ -17,7 +17,7 @@
          if (this.getHandle().connection == null) return; // Paper - Updates are possible before the player has fully joined
          for (ServerPlayer player : (List<ServerPlayer>) this.server.getHandle().players) {
              if (player.getBukkitEntity().canSee(this)) {
-@@ -2747,6 +_,28 @@
+@@ -2752,6 +_,28 @@
          return this.getHandle().getAbilities().walkingSpeed * 2f;
      }
 
@@ -46,16 +46,18 @@
      private void validateSpeed(float value) {
          Preconditions.checkArgument(value <= 1f && value >= -1f, "Speed value (%s) need to be between -1f and 1f", value);
      }
-@@ -3545,4 +_,74 @@
-         this.getHandle().connection.send(new net.minecraft.network.protocol.game.ClientboundEntityEventPacket(((CraftEntity) target).getHandle(), effect.getData()));
+@@ -3581,4 +_,76 @@
+         handle.containerMenu.broadcastChanges();
+         return new PaperPlayerGiveResult(leftovers.build(), drops.build());
      }
-     // Paper end - entity effect API
++
 +    // Purpur start - Purpur client support
 +    @Override
 +    public boolean usesPurpurClient() {
 +        return getHandle().purpurClient;
 +    }
 +    // Purpur end - Purpur client support
++
 +    // Purpur start - AFK API
 +    @Override
 +    public boolean isAfk() {