Add blurb.

ZeroIntensity · ZeroIntensity · commit e16fb5453e9f · 2025-07-12T09:59:19.000-04:00
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-07-12-09-59-14.gh-issue-136421.ZD1rNj.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-07-12-09-59-14.gh-issue-136421.ZD1rNj.rst
@@ -0,0 +1 @@
+Fix crash when initializing :mod:`datetime` concurrently.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Fix crash when initializing :mod:`datetime` concurrently.