next release is 8.7

Author: minrk

jupyter_client/session.py

@@ -439,7 +439,7 @@ def _session_changed(self, change: t.Any) -> None:
 
     @default("extract_header_dates")
     def _extract_header_dates_default(self):
-        msg = """Session.extract_header_dates = True is deprecated in jupyter-client 8.6
+        msg = """Session.extract_header_dates = True is deprecated in jupyter-client 8.7
 
         set cfg.Session.extract_header_dates = False
         or JUPYTER_SESSION_EXTRACT_HEADER_DATES=0