Release Notes for Zabbix 5.0.15rc1

Zabbix Team is pleased to announce the availability of Zabbix 5.0.15rc1.

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at

This document contains the release notes for Zabbix 5.0.15rc1. Download it from download.

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

New Features and Improvements

ZBXNEXT-6751 Added Cisco Adaptive Security Virtual Appliance (ASAv) template
ZBXNEXT-6754 Added template Website certificate by Zabbix agent 2
ZBXNEXT-6606 Add encrypted tls connection to mysql postgresql plugin for Zabbix agent 2
ZBXNEXT-6708 Added TLS/SSL website certificates validation plugin to Zabbix agent 2

Bug Fixes

ZBX-19743 Fixed proxy crash when data sending has failed
ZBX-16822 Fixed performance issues for installations with a lot of historical alerts
ZBX-19658 Added query batching when reading event data during maintenance processing
ZBX-19562 Removed the "Oracle by ODBC" and "Asterisk by HTTP" from templates.tmpl file
ZBX-19686 Changed 1-st parameter {#IFNAME} in net.if.* items to {#IFGUID} in Windows templates
ZBX-19805 Added initial comment with alert content to the incident message
ZBX-19482 Fixed block device discovery of cd-roms and linked devices
ZBX-19032 Fixed percpu param in Zabbix agent 2 system.cpu.load plugin for Windows
ZBX-19762 Removed unsupported items in Zabbix server templates
ZBX-19749 Changed the value type for .rate items to FLOAT, the value type of Status items to CHAR, changed trigger expression for Status items, removed 3 LLD rules, created new master item for LLD rules with update interval 1h, changed LLD rule names spelling to lower case, added new helpful items in HAProxy templates
ZBX-18135 Fixed warning message close button
ZBX-19341 Fixed template export missing inventory mode for Host prototype
ZBX-19439 Fixed Action log dashboard widget missing Remote command entries
ZBX-19612 Changed host name to visible name for consistency with UI
ZBX-19737 Fixed prometheus preprocessing bug
ZBX-19703 Added fix for json path preprocessing crash
ZBX-19752 Fixed multiple types of media type creation having message templates in one API call
ZBX-18271 Fixed incorrect ordering for tags and overrides in widgets, operations overrides in host prototype form and interface order in item and discovery prototypes forms
ZBX-18523 Added documentation for Hostname parameter in sender
ZBX-19670 Resolving config file symlink in CConfigFile.php
ZBX-19116 Fixed system.cpu.util for agent2 not working in non-English Windows
ZBX-19589 Fixed trailing and leading white-space not getting trimmed in widget configuration form inputs
ZBX-19342 Fixed web scenario items not being cloned for graph prototypes
ZBX-19732 Fixed Zabbix agent2 not starting when ListenIP is set to
ZBX-7933 Added configurable parameter for TCP queue maximum size
ZBX-19692 Fixed issues with Zyxel templates
ZBX-19124 Fixed PHP runtime errors when passed incorrect value for "output" option
ZBX-19539 Fixed undefined offset error in host prototype API
ZBX-19715 Fixed high memory usage in trappers and proxy pollers when sending configuration to Zabbix proxy

Installation and Upgrade Notes


See Zabbix documentation for full details.


See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 5.0.15.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please Contact sales for pricing and more details.


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