Parallels Plesk Panel 8.4.0.1 is released.

Fixed issues:
136661 Horde Kronolith update to 2.1.8
136745 mail_auth_dump does not create/update passwd.db in case of libdb4.4=4.4.20-8.1ubuntu3.1 is installed
136594 After upgrade 8.3 > 8.4 smtp relay authorization force to STMPAUTH
136599 After upgrade to 840 inetd configs have default values as for clean install. psa-qmail-rblsmtpd rewrites configs
136595 Missed env SHORTNAMES=1 in smpt_psa after upgrade Plesk 8.3 > Plesk8.4
136764 [support] Remove Plesk files from xinetd.d and from Plesk utils.