Improvements

[SPLEX-570] - Online Help for Admin GUI, System :: MIBs added
[SPLEX-757] - Plugin Output differences for service "check_https_cert" between SONARMANAGER "Check Service now" and a "regular service scheduling" removed
[SPLEX-791] - Appliance reboot message showing up, when SONARPLEX host name was added/changed (Admin GUI, Configuration :: Network :: DNS Configuration)

Resolved Bugs

[SPLEX-577] - Sometimes a problem occurs while importing a backup (message "invalid key")
[SPLEX-832] - Problem with "check_azeti_eventlog" "Time frame in minutes" option
[SPLEX-836] - Problem receiving SNMPv3 Traps
[SPLEX-852] - Some logfiles are not included into log file rotation process
[SPLEX-854] - Problem updating services sharing name with a localhost (azeti-A) based pre-defined default service after upgrading to 5.4.0 (eg. service called "CPU")
[SPLEX-855] - Problem with "check_udp"