The Emacs issue tracker at https://debbugs.gnu.org lets you view bug
reports and search the database for bugs matching several criteria.
Messages posted to the bug-gnu-emacs@gnu.org mailing list, mentioned
-above, are recorded by the tracker with the corresponding bugs/issues.
+above, are recorded by the tracker with the corresponding
+bugs/issues. If a message to the bug tracker contains a patch, please
+include the string "[PATCH]" in the subject of the message in order to
+let the bug tracker tag the bug properly.
GNU ELPA has a 'debbugs' package that allows accessing the tracker
database from Emacs.