add blurb

LindaSummer · LindaSummer · commit 266ced261fc8 · 2026-08-02T17:56:30.000+08:00
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-08-02-17-55-29.gh-issue-154937.m9IBba.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-08-02-17-55-29.gh-issue-154937.m9IBba.rst
@@ -0,0 +1,3 @@
+Fix a data race on thread handle identifiers when ``_thread._shutdown()``
+runs concurrently with the startup of non-daemon threads in the
+:term:`free-threaded build`.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+Fix a data race on thread handle identifiers when ``_thread._shutdown()``
	`2`	`+runs concurrently with the startup of non-daemon threads in the`
	`3`	+:term:`free-threaded build`.