1 files changed, 2 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 9aa0708..e47c0f3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -43,6 +43,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #9935: Speed up pickling of instances of user-defined classes.
+
 - Issue #5639: Add a *server_hostname* argument to ``SSLContext.wrap_socket``
   in order to support the TLS SNI extension.  ``HTTPSConnection`` and
   ``urlopen()`` also use this argument, so that HTTPS virtual hosts are now