@item Optional ability to use syslog for logging, with
@url{https://tools.ietf.org/html/rfc5424, RFC 5424}-like
structured records.
+@item XTEA algorithm is not used anymore for nonce obfuscation.
+BLAKE2-MAC is used instead. Encryptionless mode now really does not
+depend on encryption functions.
@end itemize
@node Release 5.7