fix

Added internal NetworkObject.ResetOnDespawn which resolves issue where m_LatestParent could still be set if using object pools.
It can now also be used to reset anything that needs to be reset at the end of a NetworkObject despawn.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/Core/NetworkObject.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.CompilerServices;
+using System.Text;
 using Unity.Netcode.Components;
 #if UNITY_EDITOR
 using UnityEditor;
@@ -1959,10 +1960,18 @@ public void Despawn(bool destroy = true)
             {
                 behavior.MarkVariablesDirty(false);
             }
-
             NetworkManager.SpawnManager.DespawnObject(this, destroy);
         }
 
+        internal void ResetOnDespawn()
+        {
+            // Always clear out the observers list when despawned
+            Observers.Clear();
+            IsSpawned = false;
+            DeferredDespawnTick = 0;
+            m_LatestParent = null;
+        }
+
         /// <summary>
         /// Removes all ownership of an object from any client. Can only be called from server
         /// </summary>
@@ -2695,6 +2704,17 @@ internal static void VerifyParentingStatus()
                 if (OrphanChildren.Count > 0)
                 {
                     NetworkLog.LogWarning($"{nameof(NetworkObject)} ({OrphanChildren.Count}) children not resolved to parents by the end of frame");
+                    if (NetworkLog.CurrentLogLevel <= LogLevel.Developer)
+                    {
+                        var builder = new StringBuilder();
+                        builder.AppendLine("Orphaned Children:");
+                        foreach (var child in OrphanChildren)
+                        {
+                            builder.Append($"| {child} ");
+                        }
+                        builder.AppendLine("|");
+                        NetworkLog.LogWarning(builder.ToString());
+                    }
                 }
             }
         }

com.unity.netcode.gameobjects/Runtime/Spawning/NetworkSpawnManager.cs

@@ -1717,8 +1717,8 @@ internal void OnDespawnObject(NetworkObject networkObject, bool destroyGameObjec
                 }
             }
 
-            networkObject.IsSpawned = false;
-            networkObject.DeferredDespawnTick = 0;
+            // Reset the NetworkObject when despawned.
+            networkObject.ResetOnDespawn();
 
             if (SpawnedObjects.Remove(networkObject.NetworkObjectId))
             {
@@ -1730,9 +1730,6 @@ internal void OnDespawnObject(NetworkObject networkObject, bool destroyGameObjec
                 RemovePlayerObject(networkObject, destroyGameObject);
             }
 
-            // Always clear out the observers list when despawned
-            networkObject.Observers.Clear();
-
             var gobj = networkObject.gameObject;
             if (destroyGameObject && gobj != null)
             {