diff --git a/Clojure/Clojure.Source/clojure/core.clj b/Clojure/Clojure.Source/clojure/core.clj
index 1b776733a..17655e331 100644
--- a/Clojure/Clojure.Source/clojure/core.clj
+++ b/Clojure/Clojure.Source/clojure/core.clj
@@ -3390,7 +3390,7 @@
                               (try
                                 (with-open ~(subvec bindings 2) ~@body)
                                 (finally
-                                  (. ~(bindings 0) Dispose))))      ;;; close => Dispose
+                                  (. ~(with-meta (bindings 0) {:tag 'IDisposable}) Dispose))))      ;;; close => Dispose  Added the with-meta to provide the type hint for IDisposable
     :else (throw (ArgumentException.                              ;;;IllegalArgumentException.
                    "with-open only allows Symbols in bindings"))))
 
diff --git a/Clojure/Clojure/Bootstrap/version.properties b/Clojure/Clojure/Bootstrap/version.properties
index ebbb8710c..16df7f58f 100644
--- a/Clojure/Clojure/Bootstrap/version.properties
+++ b/Clojure/Clojure/Bootstrap/version.properties
@@ -1 +1 @@
-version=1.4.0
\ No newline at end of file
+version=1.4.1
\ No newline at end of file
diff --git a/Clojure/Clojure/CljCompiler/GenProxy.cs b/Clojure/Clojure/CljCompiler/GenProxy.cs
index 4eee9660c..e576467e1 100644
--- a/Clojure/Clojure/CljCompiler/GenProxy.cs
+++ b/Clojure/Clojure/CljCompiler/GenProxy.cs
@@ -215,6 +215,7 @@ private static void AddInterfaceMethods(
                 MethodSignature sig = new MethodSignature(m);
                 if (!considered.Contains(sig)
                     && !m.IsPrivate
+                    && !m.IsAssembly
                     && !m.IsStatic
                     && !m.IsFinal
                     && !m.Name.Equals("Finalize"))
diff --git a/Clojure/Clojure/Lib/RT.cs b/Clojure/Clojure/Lib/RT.cs
index c825395e3..cb76cb3e7 100644
--- a/Clojure/Clojure/Lib/RT.cs
+++ b/Clojure/Clojure/Lib/RT.cs
@@ -1147,13 +1147,17 @@ static object NthFrom(object coll, int n, object notFound)
                 return notFound;
             }
 
-            IList list = coll as IList;
-            if (list != null)   // Changed to RandomAccess in Java Rev 1218.  
-            {
-                if (n < list.Count)
-                    return list[n];
-                return notFound;
-            }
+            // Causes a problem with infinite LazySequences
+            // Four years after the fact, I now know why the change was made in Java Rev 1218.
+            // There is no RandomAccess equivalent in CLR.
+            // So we don't blow off IList's completely, I put this after the code that catches LazySeqs.
+            //IList list = coll as IList;
+            //if (list != null)   // Changed to RandomAccess in Java Rev 1218.  
+            //{
+            //    if (n < list.Count)
+            //        return list[n];
+            //    return notFound;
+            //}
 
             JReMatcher jrem = coll as JReMatcher;
             if (jrem != null)
@@ -1215,6 +1219,14 @@ static object NthFrom(object coll, int n, object notFound)
                 return notFound;
             }
 
+            IList list = coll as IList;
+            if (list != null)   // Changed to RandomAccess in Java Rev 1218.  
+            {
+                if (n < list.Count)
+                    return list[n];
+                return notFound;
+            }
+
             throw new InvalidOperationException("nth not supported on this type: " + Util.NameForType(coll.GetType()));
         }
 
diff --git a/Clojure/Csharp.Tests/Csharp.Tests.csproj b/Clojure/Csharp.Tests/Csharp.Tests.csproj
index 243a68a81..55c0436a8 100644
--- a/Clojure/Csharp.Tests/Csharp.Tests.csproj
+++ b/Clojure/Csharp.Tests/Csharp.Tests.csproj
@@ -43,7 +43,7 @@
     <Reference Include="Microsoft.Scripting" Condition=" '$(TargetFrameworkVersion)' == 'v4.0' ">
       <HintPath>..\..\lib\DLR\4.0\Microsoft.Scripting.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Scripting.Core" Condition=" '$(TargetFrameworkVersion)' == 'v3.5' ">
+    <Reference Include="Microsoft.Scripting.Core">
       <HintPath>..\..\lib\DLR\2.0\Microsoft.Scripting.Core.dll</HintPath>
     </Reference>
     <Reference Include="nunit.framework, Version=2.6.0.12051, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
diff --git a/changes.md b/changes.md
index 75f029f37..611fccd13 100644
--- a/changes.md
+++ b/changes.md
@@ -1,6 +1,6 @@
 <!-- -*- mode: markdown ; mode: visual-line ; coding: utf-8 -*- -->
 
-# Changes to Clojure in Version 1.4
+# Changes to Clojure in Version 1.4.1
 
 ## CONTENTS
 
@@ -29,6 +29,7 @@
     2.19 Java int is boxed as java.lang.Integer
  3 Performance Enhancements
  4 Bug Fixes
+ 5 Big Fixes in 1.4.1
 </pre>
 
 ## 1 Deprecated and Removed Features
@@ -342,4 +343,15 @@ for more information.
   Fix printf handling of tz for DateTimeOffsets
 * CLJCLR-??? 
   Fix infinite recursion on generic type lookup when type name is bad
-  
\ No newline at end of file
+  
+## 4 Bug Fixes
+  
+* CLJCLR-??? 
+  Fix RT.nth problem with LazySeq
+* CLJCLR-???
+  Fix with-open to include type hint for IDisposable before Dispose call
+* CLJCLR-???
+  Fix clojure.repl proxy of PushbackTextREader problem under 4.5
+
+
+