diff --git a/OpenSim/Region/Application/Application.cs b/OpenSim/Region/Application/Application.cs
index d120f03dc9..7e320e6798 100644
--- a/OpenSim/Region/Application/Application.cs
+++ b/OpenSim/Region/Application/Application.cs
@@ -250,9 +250,7 @@ namespace OpenSim
             m_saveCrashDumps = configSource.Configs["Startup"].GetBoolean("save_crashes", false);
 
             // load Crash directory config
-            m_crashDir = configSource.Configs["Startup"].GetString("crash_dir", m_crashDir);
-
-           
+            m_crashDir = configSource.Configs["Startup"].GetString("crash_dir", m_crashDir);           
 
             if (background)
             {
@@ -260,15 +258,9 @@ namespace OpenSim
                 m_sim.Startup();
             }
             else
-            {
-
-
-                       
-
+            {                       
                 m_sim = new OpenSim(configSource);
-
-                    
-      
+                          
                 m_sim.Startup();
 
                 while (true)
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index e5be641d26..c16a985564 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -10268,6 +10268,55 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 m_log.Info("LSL print():" + str);
             }
         }
+
+        private string Name2Username(string name)
+        {
+            string[] parts = name.Split(new char[] {' '});
+            if (parts.Length < 2)
+                return name.ToLower();
+            if (parts[1] == "Resident")
+                return parts[0].ToLower();
+
+            return name.Replace(" ", ".").ToLower();
+        }
+
+        public LSL_String llGetUsername(string id)
+        {
+            return Name2Username(llKey2Name(id));
+        }
+
+        public LSL_String llRequestUsername(string id)
+        {
+            UUID rq = UUID.Random();
+
+            UUID tid = AsyncCommands.
+                DataserverPlugin.RegisterRequest(m_localID,
+                                             m_itemID, rq.ToString());
+
+            AsyncCommands.
+                DataserverPlugin.DataserverReply(rq.ToString(), Name2Username(llKey2Name(id)));
+
+            return rq.ToString();
+        }
+
+        public LSL_String llGetDisplayName(string id)
+        {
+            return llKey2Name(id);
+        }
+
+        public LSL_String llRequestDisplayName(string id)
+        {
+            UUID rq = UUID.Random();
+
+            UUID tid = AsyncCommands.
+                DataserverPlugin.RegisterRequest(m_localID,
+                                             m_itemID, rq.ToString());
+
+            AsyncCommands.
+                DataserverPlugin.DataserverReply(rq.ToString(), llKey2Name(id));
+
+            return rq.ToString();
+        }
     }
 
     public class NotecardCache
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
index fefbb35760..47c7915a3e 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
@@ -50,6 +50,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
         private Object SenseLock = new Object();
 
         private const int AGENT = 1;
+        private const int AGENT_BY_USERNAME = 0x10;
         private const int ACTIVE = 2;
         private const int PASSIVE = 4;
         private const int SCRIPTED = 8;
@@ -202,7 +203,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
             List<SensedEntity> sensedEntities = new List<SensedEntity>();
 
             // Is the sensor type is AGENT and not SCRIPTED then include agents
-            if ((ts.type & AGENT) != 0 && (ts.type & SCRIPTED) == 0)
+            if ((ts.type & (AGENT | AGENT_BY_USERNAME)) != 0 && (ts.type & SCRIPTED) == 0)
             {
                sensedEntities.AddRange(doAgentSensor(ts));
             }
@@ -493,9 +494,26 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
             {
                 ScenePresence sp;
                 // Try lookup by name will return if/when found
-                if (!m_CmdManager.m_ScriptEngine.World.TryGetAvatarByName(ts.name, out sp))
-                    return sensedEntities;
-                senseEntity(sp);
+                if (((ts.type & AGENT) != 0) && m_CmdManager.m_ScriptEngine.World.TryGetAvatarByName(ts.name, out sp))
+                    senseEntity(sp);
+                if ((ts.type & AGENT_BY_USERNAME) != 0)
+                {
+                    m_CmdManager.m_ScriptEngine.World.ForEachScenePresence(
+                        delegate (ScenePresence ssp)
+                        {
+                            if (ssp.Lastname == "Resident")
+                            {
+                                if (ssp.Firstname.ToLower() == ts.name)
+                                    senseEntity(ssp);
+                                return;
+                            }
+                            if (ssp.Name.Replace(" ", ".").ToLower() == ts.name)
+                                senseEntity(ssp);
+                        }
+                    );
+                }
+
+                return sensedEntities;
             }
             else
             {
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
index bd6a094aa7..654ea8129a 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
@@ -209,6 +209,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
               void llInstantMessage(string user, string message);
         LSL_String llIntegerToBase64(int number);
         LSL_String llKey2Name(string id);
+        LSL_String llGetUsername(string id);
+        LSL_String llRequestUsername(string id);
+        LSL_String llGetDisplayName(string id);
+        LSL_String llRequestDisplayName(string id);
         void llLinkParticleSystem(int linknum, LSL_List rules);
         LSL_String llList2CSV(LSL_List src);
          LSL_Float llList2Float(LSL_List src, int index);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index b3c4d95c48..9377cdafd8 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -50,6 +50,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int STATUS_CAST_SHADOWS = 512;
 
         public const int AGENT = 1;
+        public const int AGENT_BY_LEGACY_NAME = 1;
+        public const int AGENT_BY_USERNAME = 0x10;
         public const int ACTIVE = 2;
         public const int PASSIVE = 4;
         public const int SCRIPTED = 8;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
index 3b298615d0..303d75e36d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
@@ -894,6 +894,26 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             return m_LSL_Functions.llKey2Name(id);
         }
 
+        public LSL_String llGetUsername(string id)
+        {
+            return m_LSL_Functions.llGetUsername(id);
+        }
+
+        public LSL_String llRequestUsername(string id)
+        {
+            return m_LSL_Functions.llRequestUsername(id);
+        }
+
+        public LSL_String llGetDisplayName(string id)
+        {
+            return m_LSL_Functions.llGetDisplayName(id);
+        }
+
+        public LSL_String llRequestDisplayName(string id)
+        {
+            return m_LSL_Functions.llRequestDisplayName(id);
+        }
+
         public void llLinkParticleSystem(int linknum, LSL_List rules)
         {
             m_LSL_Functions.llLinkParticleSystem(linknum, rules);
diff --git a/bin/libode.dylib b/bin/libode.dylib
index e81f9e4b0b..958d2021fb 100644
Binary files a/bin/libode.dylib and b/bin/libode.dylib differ