diff --git a/sip/siplib/sip.h b/sip/siplib/sip.h
index f0cad4cc..ae26a315 100644
--- a/sip/siplib/sip.h
+++ b/sip/siplib/sip.h
@@ -55,7 +55,7 @@ extern "C" {
  * Define the SIP version number.
  */
 #define SIP_VERSION         0x040c01
-#define SIP_VERSION_STR     "4.12.1-snapshot-1c2692d2bb29"
+#define SIP_VERSION_STR     "4.12.1-snapshot-baf837919f74"
 
 
 /*
diff --git a/sip/siplib/siplib.c b/sip/siplib/siplib.c
index c1c811b0..8419d137 100644
--- a/sip/siplib/siplib.c
+++ b/sip/siplib/siplib.c
@@ -605,6 +605,7 @@ static PyObject *cast(PyObject *self, PyObject *args);
 static PyObject *callDtor(PyObject *self, PyObject *args);
 static PyObject *dumpWrapper(PyObject *self, PyObject *args);
 static PyObject *isDeleted(PyObject *self, PyObject *args);
+static PyObject *isPyCreated(PyObject *self, PyObject *args);
 static PyObject *isPyOwned(PyObject *self, PyObject *args);
 static PyObject *setDeleted(PyObject *self, PyObject *args);
 static PyObject *setTraceMask(PyObject *self, PyObject *args);
@@ -691,6 +692,7 @@ PyMODINIT_FUNC SIP_MODULE_ENTRY(void)
         {"dump", dumpWrapper, METH_VARARGS, NULL},
         {"getapi", sipGetAPI, METH_VARARGS, NULL},
         {"isdeleted", isDeleted, METH_VARARGS, NULL},
+        {"ispycreated", isPyCreated, METH_VARARGS, NULL},
         {"ispyowned", isPyOwned, METH_VARARGS, NULL},
         {"setapi", sipSetAPI, METH_VARARGS, NULL},
         {"setdeleted", setDeleted, METH_VARARGS, NULL},
@@ -912,8 +914,8 @@ static PyObject *dumpWrapper(PyObject *self, PyObject *args)
         printf("    Reference count: %d\n", Py_REFCNT(sw));
 #endif
         printf("    Address of wrapped object: %p\n", sip_api_get_address(sw));
+        printf("    Created by: %s\n", (sipIsDerived(sw) ? "Python" : "C/C++"));
         printf("    To be destroyed by: %s\n", (sipIsPyOwned(sw) ? "Python" : "C/C++"));
-        printf("    Derived class?: %s\n", (sipIsDerived(sw) ? "yes" : "no"));
 
         if (PyObject_TypeCheck((PyObject *)sw, (PyTypeObject *)&sipWrapper_Type))
         {
@@ -1088,6 +1090,25 @@ static PyObject *isDeleted(PyObject *self, PyObject *args)
 }
 
 
+/*
+ * Check if an instance was created by Python.
+ */
+static PyObject *isPyCreated(PyObject *self, PyObject *args)
+{
+    sipSimpleWrapper *sw;
+    PyObject *res;
+
+    if (!PyArg_ParseTuple(args, "O!:ispycreated", &sipSimpleWrapper_Type, &sw))
+        return NULL;
+
+    /* sipIsDerived() is a misnomer. */
+    res = (sipIsDerived(sw) ? Py_True : Py_False);
+
+    Py_INCREF(res);
+    return res;
+}
+
+
 /*
  * Check if an instance is owned by Python or C/C++.
  */