1 files changed, 4 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 0567a20..bac8d00 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -529,6 +529,10 @@ Core and Builtins
 C-API
 -----
 
+- PySlice_GetIndicesEx now clips the step to [-PY_SSIZE_T_MAX, PY_SSIZE_T_MAX]
+  instead of [-PY_SSIZE_T_MAX-1, PY_SSIZE_T_MAX].  This makes it safe to do
+  "step = -step" when reversing a slice.
+
 - Issue #5753: A new C API function, `PySys_SetArgvEx`, allows embedders of the
   interpreter to set sys.argv without also modifying sys.path.  This helps fix
   `CVE-2008-5983