@itemize @bullet
+@item There's now only one variable that determines how @acronym{HTML}
+is rendered: @code{mm-text-html-renderer}.
+
@item Gnus now supports sticky article buffers. Those are article buffers
that are not reused when you select another article. @xref{Sticky
Articles}.
@item Changes in Message mode
@itemize @bullet
+@item Gnus now defaults to saving all outgoing messages in per-month
+nnfolder archives.
+
@item Gnus now supports the ``hashcash'' client puzzle anti-spam mechanism.
Use @code{(setq message-generate-hashcash t)} to enable.
@xref{Hashcash}.