Fixes issue #15000: support the odd x32 abi on posixsubprocess's system call.
diff --git a/Misc/NEWS b/Misc/NEWS
index 332e408..adbb810 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -55,6 +55,11 @@
 - Issue #14963: Convert contextlib.ExitStack.__exit__ to use an iterative
   algorithm (Patch by Alon Horev)
 
+Extension Modules
+-----------------
+
+- Issue #15000: Support the "unique" x32 architecture in _posixsubprocess.c.
+
 Tests
 -----