python
diff --git a/‎Lib/test/test_capi/test_misc.py‎
Lines changed: 1 addition & 1 deletion b/‎Lib/test/test_capi/test_misc.py‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎Misc/NEWS.d/next/C API/2023-08-10-11-12-25.gh-issue-107810.oJ40Qx.rst‎
Lines changed: 1 addition & 0 deletions b/‎Misc/NEWS.d/next/C API/2023-08-10-11-12-25.gh-issue-107810.oJ40Qx.rst‎
Lines changed: 1 addition & 0 deletions
diff --git a/‎Objects/typeobject.c‎
Lines changed: 3 additions & 3 deletions b/‎Objects/typeobject.c‎
Lines changed: 3 additions & 3 deletions
@@ -611,7 +611,7 @@ class Base(metaclass=metaclass):
 
         # Class creation from C
         with warnings_helper.check_warnings(
-                ('.*custom tp_new.*in Python 3.14.*', DeprecationWarning),
+                ('.* _testcapi.Subclass .* custom tp_new.*in Python 3.14.*', DeprecationWarning),
                 ):
             sub = _testcapi.make_type_with_base(Base)
         self.assertTrue(issubclass(sub, Base))
 
@@ -0,0 +1 @@
+Improve :exc:`DeprecationWarning` for uses of :c:type:`PyType_Spec` with metaclasses that have custom ``tp_new``.
@@ -4264,9 +4264,9 @@ _PyType_FromMetaclass_impl(
         if (_allow_tp_new) {
             if (PyErr_WarnFormat(
                     PyExc_DeprecationWarning, 1,
-                    "Using PyType_Spec with metaclasses that have custom "
-                    "tp_new is deprecated and will no longer be allowed in "
-                    "Python 3.14.") < 0) {
+                    "Type %s uses PyType_Spec with a metaclass that has custom "
+                    "tp_new. This is deprecated and will no longer be allowed in "
+                    "Python 3.14.", spec->name) < 0) {
                 goto finally;
             }
         }
Original file line number	Diff line number	Diff line change
@@ -0,0 +1 @@
	1	+ Improve :exc:`DeprecationWarning` for uses of :c:type:`PyType_Spec` with metaclasses that have custom ``tp_new``.
Original file line number	Diff line number	Diff line change
@@ -4264,9 +4264,9 @@ _PyType_FromMetaclass_impl(
4264	4264	if (_allow_tp_new) {
4265	4265	if (PyErr_WarnFormat(
4266	4266	PyExc_DeprecationWarning, 1,
4267		- "Using PyType_Spec with metaclasses that have custom "
4268		- "tp_new is deprecated and will no longer be allowed in "
4269		- "Python 3.14.") < 0) {
	4267	+ "Type %s uses PyType_Spec with a metaclass that has custom "
	4268	+ "tp_new. This is deprecated and will no longer be allowed in "
	4269	+ "Python 3.14.", spec->name) < 0) {
4270	4270	goto finally;
4271	4271	}
4272	4272	}