Issue #18418: After fork(), reinit all threads states, not only active ones.
Patch by A. Jesse Jiryu Davis.
diff --git a/Misc/NEWS b/Misc/NEWS
index f7e9372..9544b3b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -32,6 +32,9 @@
 Library
 -------
 
+- Issue #18418: After fork(), reinit all threads states, not only active ones.
+  Patch by A. Jesse Jiryu Davis.
+
 - Issue #11973: Fix a problem in kevent. The flags and fflags fields are now
   properly handled as unsigned.