Document f4d7ad6c9d6e.
diff --git a/Misc/NEWS b/Misc/NEWS
index 37b319d..f8ef70a 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,8 @@
 Core and Builtins
 -----------------
 
+- asdl_seq and asdl_int_seq are now Py_ssize_t sized.
+
 - Issue #14133 (PEP 415): Implement suppression of __context__ display with an
   attribute on BaseException. This replaces the original mechanism of PEP 409.