1 files changed, 2 insertions, 0 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index 84ce9c8423..f8e4fa8c4b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@ What's New in Python 3.1.3?
 Core and Builtins
 -----------------
 
+- Issue #83755:  Implicit set-to-frozenset conversion was not thread-safe.
+
 - Issue #9416: Fix some issues with complex formatting where the
   output with no type specifier failed to match the str output: