diff --git a/doc/history.qbk b/doc/history.qbk
index 6acf6d4..8e09205 100644
--- a/doc/history.qbk
+++ b/doc/history.qbk
@@ -7,6 +7,13 @@
 
 [section:history History]
 
+[h4 Boost-1.68.0]
+
+* Added support for detecting trivial moves on clang.
+* Correct some mismatched `#pragam warning push/pop`.
+* Improve __is_virtual_base_of to give more robust answers.
+* Add support for __is_final with msvc.
+
 [h4 Boost 1.67.0]
 
 * Added new traits __detected, __detected_or, __is_detected, __is_detected_convertible, __is_detected_exact, __is_complete.
diff --git a/doc/html/boost_typetraits/history.html b/doc/html/boost_typetraits/history.html
index fa532c3..314c968 100644
--- a/doc/html/boost_typetraits/history.html
+++ b/doc/html/boost_typetraits/history.html
@@ -28,6 +28,27 @@
 </h2></div></div></div>
 <h5>
 <a name="boost_typetraits.history.h0"></a>
+      <span class="phrase"><a name="boost_typetraits.history.boost_1_68_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_68_0">Boost-1.68.0</a>
+    </h5>
+<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
+<li class="listitem">
+          Added support for detecting trivial moves on clang.
+        </li>
+<li class="listitem">
+          Correct some mismatched <code class="computeroutput"><span class="preprocessor">#pragam</span>
+          <span class="identifier">warning</span> <span class="identifier">push</span><span class="special">/</span><span class="identifier">pop</span></code>.
+        </li>
+<li class="listitem">
+          Improve <a class="link" href="reference/is_virtual_base_of.html" title="is_virtual_base_of">is_virtual_base_of</a>
+          to give more robust answers.
+        </li>
+<li class="listitem">
+          Add support for <a class="link" href="reference/is_final.html" title="is_final">is_final</a>
+          with msvc.
+        </li>
+</ul></div>
+<h5>
+<a name="boost_typetraits.history.h1"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_67_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_67_0">Boost
       1.67.0</a>
     </h5>
@@ -70,7 +91,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h1"></a>
+<a name="boost_typetraits.history.h2"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_64_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_64_0">Boost
       1.64.0</a>
     </h5>
@@ -78,7 +99,7 @@
           Added new trait <a class="link" href="reference/make_void.html" title="make_void">make_void</a>.
         </li></ul></div>
 <h5>
-<a name="boost_typetraits.history.h2"></a>
+<a name="boost_typetraits.history.h3"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_60_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_60_0">Boost
       1.60.0</a>
     </h5>
@@ -101,7 +122,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h3"></a>
+<a name="boost_typetraits.history.h4"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_58_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_58_0">Boost
       1.58.0</a>
     </h5>
@@ -116,7 +137,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h4"></a>
+<a name="boost_typetraits.history.h5"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_57_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_57_0">Boost
       1.57.0</a>
     </h5>
@@ -130,7 +151,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h5"></a>
+<a name="boost_typetraits.history.h6"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_56_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_56_0">Boost
       1.56.0</a>
     </h5>
@@ -139,7 +160,7 @@
           <a href="https://svn.boost.org/trac/boost/ticket/9474" target="_top">#9474</a>.
         </li></ul></div>
 <h5>
-<a name="boost_typetraits.history.h6"></a>
+<a name="boost_typetraits.history.h7"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_55_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_55_0">Boost
       1.55.0</a>
     </h5>
@@ -147,7 +168,7 @@
           Added new trait <a class="link" href="reference/is_copy_constructible.html" title="is_copy_constructible">is_copy_constructible</a>.
         </li></ul></div>
 <h5>
-<a name="boost_typetraits.history.h7"></a>
+<a name="boost_typetraits.history.h8"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_54_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_54_0">Boost
       1.54.0</a>
     </h5>
@@ -158,7 +179,7 @@
           <a class="link" href="reference/has_trivial_move_constructor.html" title="has_trivial_move_constructor">has_trivial_move_constructor</a>.
         </li></ul></div>
 <h5>
-<a name="boost_typetraits.history.h8"></a>
+<a name="boost_typetraits.history.h9"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_47_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_47_0">Boost
       1.47.0</a>
     </h5>
@@ -173,7 +194,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h9"></a>
+<a name="boost_typetraits.history.h10"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_45_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_45_0">Boost
       1.45.0</a>
     </h5>
@@ -190,7 +211,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h10"></a>
+<a name="boost_typetraits.history.h11"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_44_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_44_0">Boost
       1.44.0</a>
     </h5>
@@ -207,7 +228,7 @@
         </li>
 </ul></div>
 <h5>
-<a name="boost_typetraits.history.h11"></a>
+<a name="boost_typetraits.history.h12"></a>
       <span class="phrase"><a name="boost_typetraits.history.boost_1_42_0"></a></span><a class="link" href="history.html#boost_typetraits.history.boost_1_42_0">Boost
       1.42.0</a>
     </h5>
diff --git a/doc/html/boost_typetraits/reference/is_assignable.html b/doc/html/boost_typetraits/reference/is_assignable.html
index acadda6..3946570 100644
--- a/doc/html/boost_typetraits/reference/is_assignable.html
+++ b/doc/html/boost_typetraits/reference/is_assignable.html
@@ -33,8 +33,9 @@
         <span class="bold"><strong>Inherits:</strong></span> If <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;()</span>
         <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span><span class="identifier">U</span><span class="special">&gt;()</span></code>
         then inherits from <a class="link" href="integral_constant.html" title="integral_constant">true_type</a>,
-        otherwise from __flase_type. Type <code class="computeroutput"><span class="identifier">T</span></code>
-        must be a complete type.
+        otherwise from <a class="link" href="integral_constant.html" title="integral_constant">false_type</a>.
+        Type <code class="computeroutput"><span class="identifier">T</span></code> must be a complete
+        type.
       </p>
 <p>
         Note that this trait is somewhat tricky to use correctly: for example:
diff --git a/doc/html/index/s11.html b/doc/html/index/s11.html
index 59d5871..0946f05 100644
--- a/doc/html/index/s11.html
+++ b/doc/html/index/s11.html
@@ -24,7 +24,7 @@
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="id1662149"></a>Class Index</h2></div></div></div>
+<a name="id1103159"></a>Class Index</h2></div></div></div>
 <p><a class="link" href="s11.html#idx_id_0">A</a> <a class="link" href="s11.html#idx_id_2">C</a> <a class="link" href="s11.html#idx_id_3">D</a> <a class="link" href="s11.html#idx_id_4">E</a> <a class="link" href="s11.html#idx_id_5">F</a> <a class="link" href="s11.html#idx_id_6">H</a> <a class="link" href="s11.html#idx_id_7">I</a> <a class="link" href="s11.html#idx_id_8">M</a> <a class="link" href="s11.html#idx_id_9">N</a> <a class="link" href="s11.html#idx_id_10">O</a> <a class="link" href="s11.html#idx_id_11">P</a> <a class="link" href="s11.html#idx_id_12">R</a> <a class="link" href="s11.html#idx_id_13">T</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>
diff --git a/doc/html/index/s12.html b/doc/html/index/s12.html
index 880f1c5..4e2d6f9 100644
--- a/doc/html/index/s12.html
+++ b/doc/html/index/s12.html
@@ -24,7 +24,7 @@
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="id1665325"></a>Typedef Index</h2></div></div></div>
+<a name="id1107934"></a>Typedef Index</h2></div></div></div>
 <p><a class="link" href="s12.html#idx_id_21">F</a> <a class="link" href="s12.html#idx_id_28">R</a> <a class="link" href="s12.html#idx_id_29">T</a> <a class="link" href="s12.html#idx_id_31">V</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>
diff --git a/doc/html/index/s13.html b/doc/html/index/s13.html
index 23ba4ef..861e4da 100644
--- a/doc/html/index/s13.html
+++ b/doc/html/index/s13.html
@@ -24,7 +24,7 @@
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="id1665544"></a>Macro Index</h2></div></div></div>
+<a name="id1108108"></a>Macro Index</h2></div></div></div>
 <p><a class="link" href="s13.html#idx_id_33">B</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>
diff --git a/doc/html/index/s14.html b/doc/html/index/s14.html
index 244a2de..be6c19f 100644
--- a/doc/html/index/s14.html
+++ b/doc/html/index/s14.html
@@ -23,7 +23,7 @@
 </div>
 <div class="section">
 <div class="titlepage"><div><div><h2 class="title" style="clear: both">
-<a name="id1664234"></a>Index</h2></div></div></div>
+<a name="id1106805"></a>Index</h2></div></div></div>
 <p><a class="link" href="s14.html#idx_id_48">A</a> <a class="link" href="s14.html#idx_id_49">B</a> <a class="link" href="s14.html#idx_id_50">C</a> <a class="link" href="s14.html#idx_id_51">D</a> <a class="link" href="s14.html#idx_id_52">E</a> <a class="link" href="s14.html#idx_id_53">F</a> <a class="link" href="s14.html#idx_id_54">H</a> <a class="link" href="s14.html#idx_id_55">I</a> <a class="link" href="s14.html#idx_id_56">M</a> <a class="link" href="s14.html#idx_id_57">N</a> <a class="link" href="s14.html#idx_id_58">O</a> <a class="link" href="s14.html#idx_id_59">P</a> <a class="link" href="s14.html#idx_id_60">R</a> <a class="link" href="s14.html#idx_id_61">T</a> <a class="link" href="s14.html#idx_id_62">U</a> <a class="link" href="s14.html#idx_id_63">V</a></p>
 <div class="variablelist"><dl class="variablelist">
 <dt>