Index: Doc/Extra/version.html
==================================================================
--- Doc/Extra/version.html
+++ Doc/Extra/version.html
@@ -43,11 +43,11 @@
     <div id="mainSection">
     <div id="mainBody">
     <h1 class="heading">Version History</h1>
     <p><b>1.0.89.0 - September XX, 2013 <font color="red">(release scheduled)</font></b></p>
     <ul>
-      <li>Updated to <a href="http://www.sqlite.org/src/info/trunk">SQLite 3.8.1</a>.</li>
+      <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_1.html">SQLite 3.8.1</a>.</li>
       <li>Add AutoCommit property to the SQLiteConnection class. Fix for <a href="http://system.data.sqlite.org/index.html/info/9ba9346f75">[9ba9346f75]</a>.</li>
       <li>Use declared column sizes for the AnsiStringFixedLength and StringFixedLength mapped database types. Fix for <a href="http://system.data.sqlite.org/index.html/info/3113734605">[3113734605]</a>.</li>
       <li>Check the result of sqlite3_column_name function against NULL.</li>
       <li>Return false for the SQLiteParameterCollection.IsSynchronized property because it is not thread-safe.</li>
       <li>Raise the static SQLiteConnection.Changed event when any SQLiteCommand, SQLiteDataReader, or CriticalHandle derived object instance is created. Fix for <a href="http://system.data.sqlite.org/index.html/info/aba4549801">[aba4549801]</a>.</li>

Index: SQLite.Interop/src/core/sqlite3.c
==================================================================
--- SQLite.Interop/src/core/sqlite3.c
+++ SQLite.Interop/src/core/sqlite3.c
@@ -135,11 +135,11 @@
 ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
 ** [sqlite_version()] and [sqlite_source_id()].
 */
 #define SQLITE_VERSION        "3.8.1"
 #define SQLITE_VERSION_NUMBER 3008001
-#define SQLITE_SOURCE_ID      "2013-10-16 09:49:10 2470d1bb08b2661bcfde7a605208eb6044836d5c"
+#define SQLITE_SOURCE_ID      "2013-10-17 12:57:35 c78be6d786c19073b3a6730dfe3fb1be54f5657a"
 
 /*
 ** CAPI3REF: Run-Time Library Version Numbers
 ** KEYWORDS: sqlite3_version, sqlite3_sourceid
 **
@@ -34038,11 +34038,11 @@
            osGetCurrentProcessId(), deleteFlag));
   pp = &winShmNodeList;
   while( (p = *pp)!=0 ){
     if( p->nRef==0 ){
       int i;
-      if( p->mutex ) sqlite3_mutex_free(p->mutex);
+      if( p->mutex ){ sqlite3_mutex_free(p->mutex); }
       for(i=0; i<p->nRegion; i++){
         BOOL bRc = osUnmapViewOfFile(p->aRegion[i].pMap);
         OSTRACE(("SHM-PURGE-UNMAP pid=%lu, region=%d, rc=%s\n",
                  osGetCurrentProcessId(), i, bRc ? "ok" : "failed"));
         UNUSED_VARIABLE_VALUE(bRc);
@@ -52044,10 +52044,22 @@
 ** MX_CELL_SIZE(pBt) bytes.
 */
 static void allocateTempSpace(BtShared *pBt){
   if( !pBt->pTmpSpace ){
     pBt->pTmpSpace = sqlite3PageMalloc( pBt->pageSize );
+
+    /* One of the uses of pBt->pTmpSpace is to format cells before
+    ** inserting them into a leaf page (function fillInCell()). If
+    ** a cell is less than 4 bytes in size, it is rounded up to 4 bytes
+    ** by the various routines that manipulate binary cells. Which
+    ** can mean that fillInCell() only initializes the first 2 or 3
+    ** bytes of pTmpSpace, but that the first 4 bytes are copied from
+    ** it into a database page. This is not actually a problem, but it
+    ** does cause a valgrind error when the 1 or 2 bytes of unitialized 
+    ** data is passed to system call write(). So to avoid this error,
+    ** zero the first 4 bytes of temp space here.  */
+    if( pBt->pTmpSpace ) memset(pBt->pTmpSpace, 0, 4);
   }
 }
 
 /*
 ** Free the pBt->pTmpSpace allocation
@@ -75426,11 +75438,11 @@
               pNC->nErr++;
             }
           }else{
             /* EVIDENCE-OF: R-61304-29449 The unlikely(X) function is equivalent to
             ** likelihood(X, 0.0625).
-            ** EVIDENCE-OF: R-35738-39582 The unlikely(X) fucntion is short-hand for
+            ** EVIDENCE-OF: R-01283-11636 The unlikely(X) function is short-hand for
             ** likelihood(X,0.0625). */
             pExpr->iTable = 62;  /* TUNING:  Default 2nd arg to unlikely() is 0.0625 */
           }             
         }
       }

Index: SQLite.Interop/src/core/sqlite3.h
==================================================================
--- SQLite.Interop/src/core/sqlite3.h
+++ SQLite.Interop/src/core/sqlite3.h
@@ -107,11 +107,11 @@
 ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
 ** [sqlite_version()] and [sqlite_source_id()].
 */
 #define SQLITE_VERSION        "3.8.1"
 #define SQLITE_VERSION_NUMBER 3008001
-#define SQLITE_SOURCE_ID      "2013-10-16 09:49:10 2470d1bb08b2661bcfde7a605208eb6044836d5c"
+#define SQLITE_SOURCE_ID      "2013-10-17 12:57:35 c78be6d786c19073b3a6730dfe3fb1be54f5657a"
 
 /*
 ** CAPI3REF: Run-Time Library Version Numbers
 ** KEYWORDS: sqlite3_version, sqlite3_sourceid
 **

Index: readme.htm
==================================================================
--- readme.htm
+++ readme.htm
@@ -188,11 +188,11 @@
 
 <p>
     <b>1.0.89.0 - September XX, 2013 <font color="red">(release scheduled)</font></b>
 </p>
 <ul>
-    <li>Updated to <a href="http://www.sqlite.org/src/info/trunk">SQLite 3.8.1</a>.</li>
+    <li>Updated to <a href="http://www.sqlite.org/releaselog/3_8_1.html">SQLite 3.8.1</a>.</li>
     <li>Add AutoCommit property to the SQLiteConnection class. Fix for [9ba9346f75].</li>
     <li>Use declared column sizes for the AnsiStringFixedLength and StringFixedLength mapped database types. Fix for [3113734605].</li>
     <li>Check the result of sqlite3_column_name function against NULL.</li>
     <li>Return false for the SQLiteParameterCollection.IsSynchronized property because it is not thread-safe.</li>
     <li>Raise the static SQLiteConnection.Changed event when any SQLiteCommand, SQLiteDataReader, or CriticalHandle derived object instance is created. Fix for [aba4549801].</li>

Index: www/news.wiki
==================================================================
--- www/news.wiki
+++ www/news.wiki
@@ -4,11 +4,11 @@
 
 <p>
     <b>1.0.89.0 - September XX, 2013 <font color="red">(release scheduled)</font></b>
 </p>
 <ul>
-    <li>Updated to [http://www.sqlite.org/src/info/trunk|SQLite 3.8.1].</li>
+    <li>Updated to [http://www.sqlite.org/releaselog/3_8_1.html|SQLite 3.8.1].</li>
     <li>Add AutoCommit property to the SQLiteConnection class. Fix for [9ba9346f75].</li>
     <li>Use declared column sizes for the AnsiStringFixedLength and StringFixedLength mapped database types. Fix for [3113734605].</li>
     <li>Check the result of sqlite3_column_name function against NULL.</li>
     <li>Return false for the SQLiteParameterCollection.IsSynchronized property because it is not thread-safe.</li>
     <li>Raise the static SQLiteConnection.Changed event when any SQLiteCommand, SQLiteDataReader, or CriticalHandle derived object instance is created. Fix for [aba4549801].</li>