See also this page @ref{Новости, on russian}.
+@node Release 5.2.1
+@section Release 5.2.1
+@itemize
+
+@item
+Fixed SP protocol error handling, sometimes causing program panic.
+
+@end itemize
+
+@node Release 5.2.0
+@section Release 5.2.0
+@itemize
+
+@item
+Most commands by default show oneline operations progress.
+@option{-progress}, @option{-noprogress} command line options,
+@option{noprogress} configuration file option appeared.
+
+@item
+Fixed incorrect @command{nncp-check} command return code, that returned
+bad code when everything is good.
+
+@item
+Free disk space check during @command{nncp-bundle -rx} call.
+
+@end itemize
+
@node Release 5.1.2
@section Release 5.1.2
@itemize
+@item
+@strong{Critical} vulnerability: remote peers authentication could lead
+to incorrect identification of remote side, allowing foreign encrypted
+packets downloading.
+
+@item
+Bugfix: private and public Noise keys were swapped in newly created
+configuration files, that lead to inability to authenticate online peers.
+
@item
Explicit directories fsync-ing for guaranteed files renaming.