+** Gnus now support the "hashcash" client puzzle anti-spam idea. See
+the Gnus manual, section Hashcash, for more information. Use (setq
+message-generate-hashcash t) to enable.
+
+** Gnus supports new limiting commands in the Summary buffer: `/ r'
+(`gnus-summary-limit-to-replied') and `/ R'
+(`gnus-summary-limit-to-recipient').
+
+** Gnus supports a new sort command in the Summary buffer: `C-c C-s C-t'
+(`gnus-summary-sort-by-recipient').
+