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.
+
+@end itemize
+
+@node Release 5.1.1
+@section Release 5.1.1
+@itemize
+
+@item
+Fixed workability of @command{nncp-file} with @option{-chunked 0} option.
+
+@end itemize
+
@node Release 5.1.0
@section Release 5.1.0
@itemize
@item
Free disk space is checked during outbound packets creation.
+@item
+@option{freq}, @option{freqminsize}, @option{freqchunked} configuration
+file options replaced with the structure:
+@option{freq: @{path: ..., minsize: ..., chunked: ...@}}.
+
+@item
+Added @option{freq.maxsize} configuration file option, forbidding of
+freq sending larger than specified size.
+
+@item
+Ability to notify about successfully executed commands (exec) with
+@option{notify.exec} configuration file option.
+
@end itemize
@node Release 5.0.0