diff --git a/downloads/index.htm b/downloads/index.htm
index 3851fa4..3e20201 100644
--- a/downloads/index.htm
+++ b/downloads/index.htm
@@ -31,7 +31,7 @@ download <a href="https://github.com/fadden/nulib2">the sources from github</a>
 (and perhaps a copy of <a href="https://developer.apple.com/xcode/">Xcode</a>) 
 and build it.</p>
 <ul>
-	<li><a href="nulib2_300_win32.zip">Win32 v3.0.0</a> (9-Jan-2015 -- Windows 
+	<li><a href="nulib2_310_win32.zip">Win32 v3.1.0</a> (21-Sep-2017 -- Windows 
 	Vista and later)</li>
 	<li><a href="nulib2_222_win32.zip">Win32 v2.2.2</a> (30-Oct-2014 -- Windows 
 	Vista and later)</li>
@@ -39,11 +39,11 @@ and build it.</p>
 	most versions of Windows, including WinXP)</li>
 </ul>
 <p>NuLib2 and NufxLib are packaged together.&nbsp; Instructions for
-building them are included with the sources.&nbsp; Version 3.0.0 has been tested on the following systems:</p>
+building them are included with the sources.&nbsp; Version 3.1.0 has been tested on the following systems:</p>
 <ul>
   <li>[x86 MSVC++2013] Windows 7 SP 1 64-bit</li>
   <li>[x86 gcc 4.8.2] Ubuntu 14.04 x86_64</li>
-	<li>[x86 Xcode 5.1.1] Mac OS X 10.8.5</li>
+  <li>[x86 Xcode 5.1.1] Mac OS X 10.8.5</li>
 </ul>
 Earlier versions have also been tested on:
 <ul>
diff --git a/downloads/nulib2_310_win32.zip b/downloads/nulib2_310_win32.zip
new file mode 100644
index 0000000..21c4463
Binary files /dev/null and b/downloads/nulib2_310_win32.zip differ
diff --git a/nufxlibapi.htm b/nufxlibapi.htm
index 354467f..3b94389 100644
--- a/nufxlibapi.htm
+++ b/nufxlibapi.htm
@@ -31,7 +31,7 @@
 </td></tr></table><msnavigation border="0" cellpadding="0" cellspacing="0" dir="ltr" width="100%"><tr><msnavigation valign="top"><msnavigation border="0" cellpadding="0" cellspacing="0" width="100%"><msnavigation border="0" cellpadding="0" cellspacing="0" width="100%"><tr><msnavigation valign="top">
 
 <h6>&nbsp;</h6>
-<h6>NufxLib v3.0.0 API - By Andy McFadden - Last revised 2015/01/09</h6>
+<h6>NufxLib v3.1.0 API - By Andy McFadden - Last revised 2015/01/09</h6>
 <h2><u>Table of Contents</u></h2>
 <ul>
   <li><a href="#introduction">Introduction</a></li>
@@ -2056,6 +2056,11 @@ the sources for more detail.</p>
     <td width="15%">2015/01/09</td>
     <td width="70%">Source code overhaul.&nbsp; Added Unicode filename handling.</td>
   </tr>
+  <tr>
+    <td width="15%">v3.1.0</td>
+    <td width="15%">2017/09/21</td>
+    <td width="70%">Improvements to Mac OS X attribute handling. Minor fixes.</td>
+  </tr>
   </table>
 &nbsp;
 <hr>
@@ -2064,7 +2069,7 @@ the sources for more detail.</p>
 sessions while I tried to get autoconf, BeOS, and some crufty versions of &quot;make&quot;
 figured out for v1.0.</p>
 <hr>
-<p>This document is Copyright &copy; 2000-2015 by <a href="http://www.fadden.com/">Andy
+<p>This document is Copyright &copy; 2000-2017 by <a href="http://www.fadden.com/">Andy
 McFadden</a>.&nbsp; All Rights Reserved.</p>
 <p>The latest version can be found on the NuLib web site at
 <a href="http://www.nulib.com/">http://www.nulib.com/</a>.</p>