#10360: catch TypeError in WeakSet.__contains__, just like WeakKeyDictionary does.
diff --git a/Misc/NEWS b/Misc/NEWS
index a6afdb9..b15721b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -33,6 +33,9 @@
 Library
 -------
 
+- Issue #10360: In WeakSet, do not raise TypeErrors when testing for
+  membership of non-weakrefable objects.
+
 - Issue #940286: pydoc.Helper.help() ignores input/output init parameters.
 
 - Issue #1745035: Add a command size and data size limit to smtpd.py, to