diff --git a/README.md b/README.md
index 94f4e52..78bc9b1 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,22 @@ Set to any value to stop storage of token data.
 
 ## Release Notes
 
+### wolfPKCS11 Release 1.3 (Mar 22, 2024)
+
+**Summary**
+
+Added Visual Studio support for wolfPKCS11. Fixes for cast warnings and portability.
+
+**Detail**
+
+* Fixed `C_GetAttributeValue` incorrectly erroring with `CKR_ATTRIBUTE_VALUE_INVALID` when data == NULL. The `C_GetAttributeValue` should set length if data field is NULL. (PR #27)
+* Fixed several cast warnings and possible use of uninitialized. (PR #28)
+* Fixed portability issues with `WOLFPKCS11_USER_SETTINGS`. (PR #28)
+* Added Visual Studio support for wolfPKCS11. (PR #28)
+  - This includes wolfTPM support with Windows TBS interface
+* Reworked shared library versioning. (PR #29)
+
+
 ### wolfPKCS11 Release 1.2 (Dec 26, 2023)
 
 **Summary**
diff --git a/configure.ac b/configure.ac
index 29c2387..9dbe518 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,7 +7,7 @@
 #
 AC_COPYRIGHT([Copyright (C) 2014-2023 wolfSSL Inc.])
 AC_PREREQ([2.63])
-AC_INIT([wolfpkcs11],[1.2.0],[https://github.com/wolfssl/wolfpkcs11/issues],[wolfpkcs11],[http://www.wolfssl.com])
+AC_INIT([wolfpkcs11],[1.3.0],[https://github.com/wolfssl/wolfpkcs11/issues],[wolfpkcs11],[http://www.wolfssl.com])
 AC_CONFIG_AUX_DIR([build-aux])
 
 # The following sets CFLAGS to empty if unset on command line.
@@ -32,18 +32,25 @@ AC_ARG_PROGRAM
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([wolfpkcs11/config.h])
 
-WOLFPKCS11_LIBRARY_VERSION=3:0:0
-#                        | | |
-#                 +------+ | +---+
-#                 |        |     |
-#                current:revision:age
-#                 |        |     |
-#                 |        |     +- increment if interfaces have been added
-#                 |        |        set to zero if interfaces have been removed
-#                 |        |        or changed
-#                 |        +- increment if source code has changed
-#                 |           set to zero if current is incremented
-#                 +- increment if interfaces have been added, removed or changed
+# shared library versioning
+# The three numbers in the libpkcs11.so.*.*.* file name. Unfortunately
+
+# increment if interfaces have been removed or changed
+WOLFPKCS11_LIBRARY_VERSION_FIRST=3
+
+# increment if interfaces have been added
+# set to zero if WOLFPKCS11_LIBRARY_VERSION_FIRST is incremented
+WOLFPKCS11_LIBRARY_VERSION_SECOND=1
+
+# increment if source code has changed
+# set to zero if WOLFPKCS11_LIBRARY_VERSION_FIRST is incremented or
+# WOLFPKCS11_LIBRARY_VERSION_SECOND is incremented
+WOLFPKCS11_LIBRARY_VERSION_THIRD=0
+
+WOLFPKCS11_LIBRARY_VERSION=${WOLFPKCS11_LIBRARY_VERSION_FIRST}:${WOLFPKCS11_LIBRARY_VERSION_SECOND}:${WOLFPKCS11_LIBRARY_VERSION_THIRD}
+AC_SUBST([WOLFPKCS11_LIBRARY_VERSION_FIRST])
+AC_SUBST([WOLFPKCS11_LIBRARY_VERSION_SECOND])
+AC_SUBST([WOLFPKCS11_LIBRARY_VERSION_THIRD])
 AC_SUBST([WOLFPKCS11_LIBRARY_VERSION])
 
 
diff --git a/src/crypto.c b/src/crypto.c
index 1d6d0fc..0612a6d 100644
--- a/src/crypto.c
+++ b/src/crypto.c
@@ -3862,7 +3862,8 @@ CK_RV C_WrapKey(CK_SESSION_HANDLE hSession,
             if (ret != 0)
                 return CKR_FUNCTION_FAILED;
 
-            serialBuff = XMALLOC(serialSize, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+            serialBuff = (byte*)XMALLOC(serialSize, NULL,
+                DYNAMIC_TYPE_TMP_BUFFER);
             if (serialBuff == NULL)
                 return CKR_HOST_MEMORY;
 
@@ -4009,7 +4010,8 @@ CK_RV C_UnwrapKey(CK_SESSION_HANDLE hSession,
             if (wrapkeyType != CKK_AES)
                 return CKR_UNWRAPPING_KEY_TYPE_INCONSISTENT;
 
-            workBuffer = XMALLOC(ulWrappedKeyLen, NULL, DYNAMIC_TYPE_TMP_BUFFER);
+            workBuffer = (byte*)XMALLOC(ulWrappedKeyLen, NULL,
+                DYNAMIC_TYPE_TMP_BUFFER);
             if (workBuffer == NULL)
                 return CKR_HOST_MEMORY;
 
diff --git a/src/include.am b/src/include.am
index 6322eac..f54ea41 100644
--- a/src/include.am
+++ b/src/include.am
@@ -12,7 +12,7 @@ src_libwolfpkcs11_la_SOURCES = \
 
 src_libwolfpkcs11_la_CFLAGS       = -DBUILDING_WOLFPKCS11 $(AM_CFLAGS)
 src_libwolfpkcs11_la_CPPFLAGS     = -DBUILDING_WOLFPKCS11 $(AM_CPPFLAGS)
-src_libwolfpkcs11_la_LDFLAGS      = ${AM_LDFLAGS} -no-undefined -version-info ${WOLFPKCS11_LIBRARY_VERSION} 
+src_libwolfpkcs11_la_LDFLAGS      = ${AM_LDFLAGS} -no-undefined -version-number ${WOLFPKCS11_LIBRARY_VERSION}
 
 #src_libwolfpkcs11_la_DEPENDENCIES =
 #EXTRA_DIST +=
diff --git a/wolfpkcs11/version.h b/wolfpkcs11/version.h
index b71823d..0489a70 100644
--- a/wolfpkcs11/version.h
+++ b/wolfpkcs11/version.h
@@ -28,8 +28,8 @@
 extern "C" {
 #endif
 
-#define LIBWOLFPKCS11_VERSION_STRING "1.2.0"
-#define LIBWOLFPKCS11_VERSION_HEX 0x01002000
+#define LIBWOLFPKCS11_VERSION_STRING "1.3.0"
+#define LIBWOLFPKCS11_VERSION_HEX 0x01003000
 
 #ifdef __cplusplus
 }