diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 7e3da18f5c..8168c1121f 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -2643,12 +2643,13 @@ namespace OpenSim.Framework
         /// Arguments to substitute into the string via the {} mechanism.
         /// </param>
         /// <returns></returns>
+        /*
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static byte[] StringToBytes256(string str, params object[] args)
         {
             return Utils.StringToBytes(string.Format(str, args), 255);
         }
-
+        */
         /// <summary>
         /// Convert a string to a byte format suitable for transport in an LLUDP packet.  The output is truncated to 256 bytes if necessary.
         /// </summary>
@@ -2674,11 +2675,13 @@ namespace OpenSim.Framework
         /// Arguments to substitute into the string via the {} mechanism.
         /// </param>
         /// <returns></returns>
+        /*
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static byte[] StringToBytes1024(string str, params object[] args)
         {
-            return Utils.StringToBytes(string.Format(str, args), 1024);
+            return Utils.StringToBytes(string.Format(str, args).AsSpan(), 1024);
         }
+        */
 
         /// <summary>
         /// Convert a string to a byte format suitable for transport in an LLUDP packet.  The output is truncated to 1024 bytes if necessary.
@@ -2705,11 +2708,13 @@ namespace OpenSim.Framework
         /// Arguments to substitute into the string via the {} mechanism.
         /// </param>
         /// <returns></returns>
+        /*
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static byte[] StringToBytes(string str, int MaxLength, params object[] args)
         {
-            return StringToBytes1024(string.Format(str, args), MaxLength);
+            return Utils.StringToBytes(string.Format(str, args).AsSpan(), MaxLength);
         }
+        */
 
         /// <summary>
         /// Convert a string to a byte format suitable for transport in an LLUDP packet.  The output is truncated to MaxLength bytes if necessary.
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 139f94c360..9161310d93 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3708,7 +3708,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 Position = pos,
                 RegionID = World.RegionInfo.RegionID.Guid,
                 message = (message.Length > 1024) ? message[..1024] : message,
-                binaryBucket = Util.StringToBytes256("{0}/{1}/{2}/{3}", m_regionName, (int)pos.X, (int)pos.Y, (int)pos.Z)
+                binaryBucket = Util.StringToBytes256($"{m_regionName}/{(int)pos.X}/{(int)pos.Y}/{(int)pos.Z}")
             };
 
             m_TransferModule?.SendInstantMessage(msg, delegate(bool success) {});
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
index bca218d713..82320ce88d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs
@@ -459,6 +459,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
 
         public const int PRIM_REFLECTION_PROBE = 44;
 
+        public const int PRIM_GLTF_NORMAL = 45;
+        public const int PRIM_GLTF_EMISSIVE = 46;
+        public const int PRIM_GLTF_METALLIC_ROUGHNESS = 47;
+        public const int PRIM_GLTF_BASE_COLOR = 48;
+        public const int PRIM_RENDER_MATERIAL = 49;
 
         // parameters