Issue #13156: Add an entry in Misc/NEWS.
diff --git a/Misc/NEWS b/Misc/NEWS
index 2fbd70e..d27ce30 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,9 @@
 Core and Builtins
 -----------------
 
+- Issue #13156: Revert the patch for issue #10517 (reset TLS upon fork()),
+  which was only relevant for the native pthread TLS implementation.
+
 - Issue #7732: Fix a crash on importing a module if a directory has the same
   name than a Python module (e.g. "__init__.py"): don't close the file twice.