Issue #1868: Eliminate subtle timing issues in thread-local objects by
getting rid of the cached copy of thread-local attribute dictionary.
diff --git a/Misc/NEWS b/Misc/NEWS
index 1179c9f..ec51545 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -132,6 +132,9 @@
 Library
 -------
 
+- Issue #1868: Eliminate subtle timing issues in thread-local objects by
+  getting rid of the cached copy of thread-local attribute dictionary.
+
 - Issue #1512791: In setframerate() in the wave module, non-integral
   frame rates are rounded to the nearest integer.