diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 59fd8241..0b26e3d0 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -207,6 +207,7 @@ if(PAHO_BUILD_STATIC)
     )
   else()
     install(TARGETS paho-mqtt3c-static paho-mqtt3a-static
+      EXPORT eclipse-paho-mqtt-cTargets
       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
     )
   endif()
@@ -372,6 +373,7 @@ if(PAHO_WITH_SSL OR PAHO_WITH_LIBRESSL)
       )
     else()
       install(TARGETS paho-mqtt3cs-static paho-mqtt3as-static
+        EXPORT eclipse-paho-mqtt-cTargets
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
       )
     endif()
diff --git a/src/Heap.c b/src/Heap.c
index 13543ddd..55659e4f 100644
--- a/src/Heap.c
+++ b/src/Heap.c
@@ -180,7 +180,7 @@ void* mymalloc(char* file, int line, size_t size)
 		free(s);
 		goto exit;
 	}
-	memset(s->file, 0, sizeof(filenamelen));
+	memset(s->file, 0, filenamelen);
 
 	space += filenamelen;
 	strcpy(s->file, file);
@@ -193,7 +193,7 @@ void* mymalloc(char* file, int line, size_t size)
 		free(s);
 		goto exit;
 	}
-	memset(s->stack, 0, sizeof(filenamelen));
+	memset(s->stack, 0, STACK_LEN);
 	StackTrace_get(Paho_thread_getid(), s->stack, STACK_LEN);
 #endif
 	s->line = line;
diff --git a/src/MQTTProperties.c b/src/MQTTProperties.c
index b21f338b..5f4704c6 100644
--- a/src/MQTTProperties.c
+++ b/src/MQTTProperties.c
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017, 2020 IBM Corp. and others
+ * Copyright (c) 2017, 2024 IBM Corp. and others
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
@@ -38,7 +38,7 @@ static struct nameToType
   {MQTTPROPERTY_CODE_CORRELATION_DATA, MQTTPROPERTY_TYPE_BINARY_DATA},
   {MQTTPROPERTY_CODE_SUBSCRIPTION_IDENTIFIER, MQTTPROPERTY_TYPE_VARIABLE_BYTE_INTEGER},
   {MQTTPROPERTY_CODE_SESSION_EXPIRY_INTERVAL, MQTTPROPERTY_TYPE_FOUR_BYTE_INTEGER},
-  {MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFER, MQTTPROPERTY_TYPE_UTF_8_ENCODED_STRING},
+  {MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFIER, MQTTPROPERTY_TYPE_UTF_8_ENCODED_STRING},
   {MQTTPROPERTY_CODE_SERVER_KEEP_ALIVE, MQTTPROPERTY_TYPE_TWO_BYTE_INTEGER},
   {MQTTPROPERTY_CODE_AUTHENTICATION_METHOD, MQTTPROPERTY_TYPE_UTF_8_ENCODED_STRING},
   {MQTTPROPERTY_CODE_AUTHENTICATION_DATA, MQTTPROPERTY_TYPE_BINARY_DATA},
@@ -355,7 +355,7 @@ struct {
   {MQTTPROPERTY_CODE_CORRELATION_DATA, "CORRELATION_DATA"},
   {MQTTPROPERTY_CODE_SUBSCRIPTION_IDENTIFIER, "SUBSCRIPTION_IDENTIFIER"},
   {MQTTPROPERTY_CODE_SESSION_EXPIRY_INTERVAL, "SESSION_EXPIRY_INTERVAL"},
-  {MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFER, "ASSIGNED_CLIENT_IDENTIFER"},
+  {MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFIER, "ASSIGNED_CLIENT_IDENTIFIER"},
   {MQTTPROPERTY_CODE_SERVER_KEEP_ALIVE, "SERVER_KEEP_ALIVE"},
   {MQTTPROPERTY_CODE_AUTHENTICATION_METHOD, "AUTHENTICATION_METHOD"},
   {MQTTPROPERTY_CODE_AUTHENTICATION_DATA, "AUTHENTICATION_DATA"},
@@ -475,10 +475,10 @@ int MQTTProperties_propertyCount(MQTTProperties *props, enum MQTTPropertyCodes p
 }
 
 
-int MQTTProperties_getNumericValueAt(MQTTProperties *props, enum MQTTPropertyCodes propid, int index)
+int64_t MQTTProperties_getNumericValueAt(MQTTProperties *props, enum MQTTPropertyCodes propid, int index)
 {
 	int i = 0;
-	int rc = -9999999;
+	int64_t rc = -9999999;
 	int cur_index = 0;
 
 	for (i = 0; i < props->count; ++i)
@@ -515,7 +515,7 @@ int MQTTProperties_getNumericValueAt(MQTTProperties *props, enum MQTTPropertyCod
 }
 
 
-int MQTTProperties_getNumericValue(MQTTProperties *props, enum MQTTPropertyCodes propid)
+int64_t MQTTProperties_getNumericValue(MQTTProperties *props, enum MQTTPropertyCodes propid)
 {
 	return MQTTProperties_getNumericValueAt(props, propid, 0);
 }
diff --git a/src/MQTTProperties.h b/src/MQTTProperties.h
index 81b8e3af..ca2f70e0 100644
--- a/src/MQTTProperties.h
+++ b/src/MQTTProperties.h
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017, 2020 IBM Corp. and others
+ * Copyright (c) 2017, 2024 IBM Corp. and others
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
@@ -19,6 +19,8 @@
 
 #include "MQTTExportDeclarations.h"
 
+#include <stdint.h>
+
 #define MQTT_INVALID_PROPERTY_ID -2
 
 /** The one byte MQTT V5 property indicator */
@@ -30,7 +32,8 @@ enum MQTTPropertyCodes {
   MQTTPROPERTY_CODE_CORRELATION_DATA = 9,          /**< The value is 9 */
   MQTTPROPERTY_CODE_SUBSCRIPTION_IDENTIFIER = 11,  /**< The value is 11 */
   MQTTPROPERTY_CODE_SESSION_EXPIRY_INTERVAL = 17,  /**< The value is 17 */
-  MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFER = 18,/**< The value is 18 */
+  MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFIER = 18,/**< The value is 18 */
+  MQTTPROPERTY_CODE_ASSIGNED_CLIENT_IDENTIFER = 18,/**< The value is 18 (obsolete, misspelled) */
   MQTTPROPERTY_CODE_SERVER_KEEP_ALIVE = 19,        /**< The value is 19 */
   MQTTPROPERTY_CODE_AUTHENTICATION_METHOD = 21,    /**< The value is 21 */
   MQTTPROPERTY_CODE_AUTHENTICATION_DATA = 22,      /**< The value is 22 */
@@ -187,7 +190,7 @@ LIBMQTT_API int MQTTProperties_propertyCount(MQTTProperties *props, enum MQTTPro
  * @param propid the property id to check for.
  * @return the integer value of the property. -9999999 on failure.
  */
-LIBMQTT_API int MQTTProperties_getNumericValue(MQTTProperties *props, enum MQTTPropertyCodes propid);
+LIBMQTT_API int64_t MQTTProperties_getNumericValue(MQTTProperties *props, enum MQTTPropertyCodes propid);
 
 /**
  * Returns the integer value of a specific property when it's not the only instance.
@@ -197,7 +200,7 @@ LIBMQTT_API int MQTTProperties_getNumericValue(MQTTProperties *props, enum MQTTP
  * @param index the instance number, starting at 0.
  * @return the integer value of the property. -9999999 on failure.
  */
-LIBMQTT_API int MQTTProperties_getNumericValueAt(MQTTProperties *props, enum MQTTPropertyCodes propid, int index);
+LIBMQTT_API int64_t MQTTProperties_getNumericValueAt(MQTTProperties *props, enum MQTTPropertyCodes propid, int index);
 
 /**
  * Returns a pointer to the property structure for a specific property.