diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpRequest.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpRequest.cs
index 49b728400a..de54dd5e03 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpRequest.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpRequest.cs
@@ -33,84 +33,97 @@ using System.IO;
 using System.Net;
 using System.Reflection;
 using System.Text;
-using System.Web;
 using OSHttpServer;
 using log4net;
 
+using System.Runtime.CompilerServices;
+
 namespace OpenSim.Framework.Servers.HttpServer
 {
     public class OSHttpRequest : IOSHttpRequest
     {
-        private static readonly ILog _log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        //private static readonly ILog _log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        protected IHttpRequest m_request = null;
-        protected IHttpClientContext m_context = null;
+        protected readonly IHttpRequest m_request = null;
 
         public string[] AcceptTypes
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.AcceptTypes; }
         }
 
         public Encoding ContentEncoding
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_contentEncoding; }
         }
         private Encoding m_contentEncoding;
 
         public long ContentLength
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.ContentLength; }
         }
 
         public long ContentLength64
         {
-            get { return ContentLength; }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return m_request.ContentLength; }
         }
 
         public string ContentType
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_contentType; }
         }
         private string m_contentType;
 
         public bool HasEntityBody
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.ContentLength != 0; }
         }
 
         public NameValueCollection Headers
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.Headers; }
         }
 
         public string HttpMethod
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.Method; }
         }
 
         public Stream InputStream
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.Body; }
         }
 
         public bool IsSecured
         {
-            get { return m_context.IsSecured; }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return m_request.Context.IsSecured; }
         }
 
         public bool KeepAlive
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return ConnectionType.KeepAlive == m_request.Connection; }
         }
 
         public NameValueCollection QueryString
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.QueryString;}
         }
 
         private Hashtable m_queryAsHashtable = null;
         public Hashtable Query
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get
             {
                 if (m_queryAsHashtable == null)
@@ -123,6 +136,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         private Dictionary<string, string> _queryAsDictionay = null;
         public Dictionary<string,string> QueryAsDictionary
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get
             {
                 if (_queryAsDictionay == null)
@@ -134,6 +148,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         private HashSet<string> m_queryFlags = null;
         public HashSet<string> QueryFlags
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get
             {
                 if (m_queryFlags == null)
@@ -148,48 +163,57 @@ namespace OpenSim.Framework.Servers.HttpServer
 
         public string RawUrl
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.Uri.AbsolutePath; }
         }
 
         public IPEndPoint RemoteIPEndPoint
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.RemoteIPEndPoint; }
         }
 
         public IPEndPoint LocalIPEndPoint
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.LocalIPEndPoint; }
         }
 
         public Uri Url
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.Uri; }
         }
 
         public string UriPath
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.UriPath; }
         }
 
         public string UserAgent
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_userAgent; }
         }
         private string m_userAgent;
 
         public double ArrivalTS
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request.ArrivalTS;}
         }
 
         internal IHttpRequest IHttpRequest
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return m_request; }
         }
 
         internal IHttpClientContext IHttpClientContext
         {
-            get { return m_context; }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return m_request.Context; }
         }
 
         /// <summary>
@@ -198,6 +222,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         internal Dictionary<string, object> Whiteboard
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return _whiteboard; }
         }
         private Dictionary<string, object> _whiteboard = new Dictionary<string, object>();
@@ -207,7 +232,6 @@ namespace OpenSim.Framework.Servers.HttpServer
         public OSHttpRequest(IHttpRequest req)
         {
             m_request = req;
-            m_context = req.Context;
 
             if (null != req.Headers["content-encoding"])
             {
@@ -226,12 +250,12 @@ namespace OpenSim.Framework.Servers.HttpServer
             if (null != req.Headers["user-agent"])
                 m_userAgent = req.Headers["user-agent"];
 
-//            Form = new Hashtable();
-//            foreach (HttpInputItem item in req.Form)
-//            {
-//                _log.DebugFormat("[OSHttpRequest]: Got form item {0}={1}", item.Name, item.Value);
-//                Form.Add(item.Name, item.Value);
-//            }
+            //Form = new Hashtable();
+            //foreach (HttpInputItem item in req.Form)
+            //{
+            //    _log.DebugFormat("[OSHttpRequest]: Got form item {0}={1}", item.Name, item.Value);
+            //   Form.Add(item.Name, item.Value);
+            //}
         }
 
         private void BuildQueryDictionary()
@@ -275,14 +299,14 @@ namespace OpenSim.Framework.Servers.HttpServer
         public override string ToString()
         {
             StringBuilder me = new StringBuilder();
-            me.Append(String.Format("OSHttpRequest: {0} {1}\n", HttpMethod, RawUrl));
+            me.Append($"OSHttpRequest: {HttpMethod} {RawUrl}\n");
             foreach (string k in Headers.AllKeys)
             {
-                me.Append(String.Format("    {0}: {1}\n", k, Headers[k]));
+                me.Append($"    {k}: {Headers[k]}\n");
             }
             if (null != RemoteIPEndPoint)
             {
-                me.Append(String.Format("    IP: {0}\n", RemoteIPEndPoint));
+                me.Append($"    IP: {RemoteIPEndPoint}\n");
             }
 
             return me.ToString();
diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpResponse.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpResponse.cs
index 0015c10dc1..23dfb798ab 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpResponse.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpResponse.cs
@@ -29,6 +29,7 @@ using System.IO;
 using System.Net;
 using System.Text;
 using OSHttpServer;
+using System.Runtime.CompilerServices;
 
 namespace OpenSim.Framework.Servers.HttpServer
 {
@@ -47,15 +48,11 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </remarks>
         public virtual string ContentType
         {
-            get
-            {
-                return _httpResponse.ContentType;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.ContentType; }
 
-            set
-            {
-                _httpResponse.ContentType = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.ContentType = value; }
         }
 
         /// <summary>
@@ -77,15 +74,11 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public long ContentLength
         {
-            get
-            {
-                return _httpResponse.ContentLength;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.ContentLength; }
 
-            set
-            {
-                _httpResponse.ContentLength = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.ContentLength = value; }
         }
 
         /// <summary>
@@ -93,7 +86,10 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public long ContentLength64
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return ContentLength; }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             set { ContentLength = value; }
         }
 
@@ -102,31 +98,20 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public Encoding ContentEncoding
         {
-            get
-            {
-                return _httpResponse.Encoding;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Encoding; }
 
-            set
-            {
-                _httpResponse.Encoding = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.Encoding = value; }
         }
 
         public bool KeepAlive
         {
-            get
-            {
-                return _httpResponse.Connection == ConnectionType.KeepAlive;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Connection == ConnectionType.KeepAlive; }
 
-            set
-            {
-                if (value)
-                    _httpResponse.Connection = ConnectionType.KeepAlive;
-                else
-                    _httpResponse.Connection = ConnectionType.Close;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.Connection = value ? ConnectionType.KeepAlive : ConnectionType.Close; }
         }
 
         /// <summary>
@@ -136,11 +121,10 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public int KeepAliveTimeout
         {
-            get
-            {
-                return _httpResponse.KeepAlive;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.KeepAlive; }
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             set
             {
                 if (value == 0)
@@ -148,7 +132,6 @@ namespace OpenSim.Framework.Servers.HttpServer
                     _httpResponse.Connection = ConnectionType.Close;
                     _httpResponse.KeepAlive = 0;
                 }
-
                 else
                 {
                     _httpResponse.Connection = ConnectionType.KeepAlive;
@@ -165,23 +148,17 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </remarks>
         public Stream OutputStream
         {
-            get
-            {
-                return _httpResponse.Body;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Body; }
         }
 
         public string ProtocolVersion
         {
-            get
-            {
-                return _httpResponse.ProtocolVersion;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.ProtocolVersion; }
 
-            set
-            {
-                _httpResponse.ProtocolVersion = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.ProtocolVersion = value; }
         }
 
         /// <summary>
@@ -189,58 +166,44 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public Stream Body
         {
-            get
-            {
-                return _httpResponse.Body;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Body; }
         }
 
         public byte[] RawBuffer
         {
-            get
-            {
-                return _httpResponse.RawBuffer;
-            }
-            set
-            {
-                _httpResponse.RawBuffer = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.RawBuffer; }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.RawBuffer = value; }
         }
 
         public int RawBufferStart
         {
-            get
-            {
-                return _httpResponse.RawBufferStart;
-            }
-            set
-            {
-                _httpResponse.RawBufferStart = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.RawBufferStart; }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.RawBufferStart = value; }
         }
 
         public int RawBufferLen
         {
-            get
-            {
-                return _httpResponse.RawBufferLen;
-            }
-            set
-            {
-                _httpResponse.RawBufferLen = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.RawBufferLen; }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.RawBufferLen = value; }
         }
 
         public int Priority
         {
-            get
-            {
-                return _httpResponse.Priority;
-            }
-            set
-            {
-                _httpResponse.Priority = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Priority; }
+
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.Priority = value; }
         }
 
         /// <summary>
@@ -248,15 +211,11 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public bool SendChunked
         {
-            get
-            {
-               return _httpResponse.Chunked;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Chunked; }
 
-            set
-            {
-               _httpResponse.Chunked = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.Chunked = value; }
         }
 
         /// <summary>
@@ -264,20 +223,17 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public virtual int StatusCode
         {
-            get
-            {
-                return (int)_httpResponse.Status;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return (int)_httpResponse.Status; }
 
-            set
-            {
-                _httpResponse.Status = (HttpStatusCode)value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.Status = (HttpStatusCode)value; }
         }
 
         public double RequestTS
         {
-            get {return _httpResponse.RequestTS; }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.RequestTS; }
         }
 
         /// <summary>
@@ -285,18 +241,14 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         public string StatusDescription
         {
-            get
-            {
-                return _httpResponse.Reason;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get { return _httpResponse.Reason; }
 
-            set
-            {
-                _httpResponse.Reason = value;
-            }
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            set { _httpResponse.Reason = value; }
         }
 
-        protected IHttpResponse _httpResponse;
+        protected readonly IHttpResponse _httpResponse;
 
         public OSHttpResponse() {}
 
@@ -326,6 +278,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// </summary>
         /// <param name="url">redirection target url</param>
         /// <param name="redirStatusCode">the response Status, must be Found, Redirect, Moved,MovedPermanently,RedirectKeepVerb, RedirectMethod, TemporaryRedirect. Defaults to Redirect</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Redirect(string url, HttpStatusCode redirStatusCode = HttpStatusCode.Redirect)
         {
             _httpResponse.Redirect(url, redirStatusCode);
@@ -338,6 +291,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// name</param>
         /// <param name="value">string containing the header field
         /// value</param>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void AddHeader(string key, string value)
         {
             _httpResponse.AddHeader(key, value);
@@ -346,6 +300,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         /// <summary>
         /// Send the response back to the remote client
         /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void Send()
         {
             _httpResponse.Chunked = false;
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/ServerReleaseNotesModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/ServerReleaseNotesModule.cs
index 4a92ae98ec..56e840b0e0 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/ServerReleaseNotesModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/ServerReleaseNotesModule.cs
@@ -113,14 +113,10 @@ namespace OpenSim.Region.ClientStack.LindenCaps
         public void RegisterCaps(UUID agentID, Caps caps)
         {
             string capPath = "/" + UUID.Random();
-            caps.RegisterSimpleHandler("ServerReleaseNotes",
-                           new SimpleStreamHandler(capPath, delegate (IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
-                           {
-                               ProcessServerReleaseNotes(httpResponse);
-                           }));
+            caps.RegisterSimpleHandler("ServerReleaseNotes", new SimpleStreamHandler(capPath, ProcessServerReleaseNotes));
         }
 
-        private void ProcessServerReleaseNotes(IOSHttpResponse httpResponse)
+        public void ProcessServerReleaseNotes(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
         {
             httpResponse.Redirect(m_ServerReleaseNotesURL);
         }