Release Notes for Zabbix 6.2.1

Zabbix Team is pleased to announce the availability of Zabbix 6.2.1.

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 6.2.1. 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-2878 Added new vmware.*.property items Proxy Server
ZBXNEXT-7814 Updated max supported MariaDB version to 10.8 Proxy Server
ZBXNEXT-5229 Added support for VMware tags for hv, vm, ds, cl and dc Proxy Server
ZBXNEXT-2043 Added new VMware keys *.alarms.get Proxy Server
ZBXNEXT-7633 Added HPE Synergy template Templates
ZBXNEXT-7802 Added namespaces in templates HashiCorp Consul by HTTP Templates
ZBXNEXT-6300 Added checksum failure triggers to PostgreSQL by Zabbix agent 2 template Templates

Bug Fixes

ZBX-7706 Improved performance of graph.get and graphprototype.get methods API Frontend
ZBX-21291 Fixed aggregation by sum for the graph widget; fixed approximation function for aggregate values Frontend
ZBX-21290 Fixed displaying extra reporting periods in SLA reports when filtered by date Frontend
ZBX-21294 Fixed macros not being updated in JavaScript preprocessing step Proxy Server
ZBX-21310 Fixed SSL_shutdown() error in zabbix_server.log when receiving active check heartbeat Agent
ZBX-21269 Fixed missing custom time period icon in graph widgets when editing dashboards Frontend
ZBX-21110 Fixed time string parsing in graphs with items without data Frontend
ZBX-19731 Fixed problems page and problems widget table layout issues when long names are used Frontend
ZBX-21314 Fixed locale for Digital clock widget Frontend
ZBX-20523 Fixed symlink names expansion in vfs.dir.get and vfs.file.get Agent
ZBX-20448 Improved error message when failed to accept incoming connection Agent
ZBX-20860 Fixed Zabbix agent 2 build on mipsle and mipsle64 Linux Agent
ZBX-21218 Fixed deadlocks between server and frontend when discovering items with LLD Server
ZBX-21021 Fixed services actions not executing scripts Server
ZBX-20586 Free TLS C resources when closing TLS connection on agent 2 Agent
ZBX-21301 Fixed ambiguity and inability to set character set for MariaDB connection by setting utf8mb3 character instead of utf8 Proxy Server
ZBX-17450 Added check for minimal amount of data with forecast/timeleft functions and polynomial fit Server
ZBX-19001 Fixed wmi.getall[] and wmi.get[] to report invalid queries Agent
ZBX-21282 Fixed graph widget missing data option Frontend
ZBX-20908 Fixed interface type labels in host edit form Frontend
ZBX-21157 Fixed warning message overlaying error message when cloning a host Frontend
ZBX-20667 Fixed timeout issue for agent 2 checks in test run mode Agent
ZBX-20467 Fixed z-select options with long labels Frontend
ZBX-21159 Improved logging in the case of permission errors during HA startup Server
ZBX-20962 Improved error message when trying to use foreach function with single item query Server
ZBX-20880 Changed HA cluster node discovery to return empty array in standalone mode Server
ZBX-20203 Fixed agent 2 log* item large file support on windows Agent
ZBX-21044 Fixed JavaScript preprocessing output conversion to utf-8 Server
ZBX-21125 Fixed incorrect filter results with empty multiselect fields in Monitoring Problems Frontend
ZBX-18957 Fixed not displaying years on X axis of classic graphs Frontend
ZBX-21061 Fixed incorrect error message position on Authentication page Frontend
ZBX-20978 Fixed trigger popover layout error in high-contrast themes Frontend
ZBX-20682 Fixed unexpected tab being opened in item configuration after saving the host in popup Frontend
ZBX-20849 Fixed hotkeys occasionally not working in popups Frontend
ZBX-20974 Updated CFormList to CFormGrid in Administration->Authentication Frontend
ZBX-20669 Fixed focus on fields when clicking on labels Frontend
ZBX-20854 Fixed missing headers in Columns field in Top hosts widget configuration form Frontend
ZBX-21172 Fixed host group names and added IPv6 support in Templates Kubernetes by HTTP Templates
ZBX-20965 Fixed positioning of change indicator in Item value widget Frontend
ZBX-21040 Fixed widget configuration form flickering when switching widget types Frontend
ZBX-20887 Added missing documentation link in Dashboard sharing popup form Frontend
ZBX-20743 Fixed error handling in compression with Apache licensed TimescaleDB 2.x API Frontend Server
ZBX-20629 Fixed auto refreshing for graphs on Monitoring -> Hosts page Frontend
ZBX-19955 Fixed script item in Cloudflare template Templates
ZBX-18534 Fixed name autocomplete when select element has been selected in map navigation tree Frontend
ZBX-20781 Fixed overlapping of subfilter options Frontend
ZBX-10615 Fixed missing translations context for strings used as headers in small tables Frontend
ZBX-19205 Fixed item preprocessing in PostgreSQL by Zabbix agent 2 template Templates
ZBX-20473 Fixed evaluation period macro in disk space triggers for NetApp FAS3220 template Templates
ZBX-21199 Fixed space utilization items in HPE MSA 2040 and 2060 templates Templates
ZBX-18035 Updated for Slack and Mattermost media types Documentation
ZBX-20960 Fixed SVG graph widget throwing error when attempting to plot item with valid user macro defined in history storage period Frontend
ZBX-21143 Changed API URL in media type to a new version Templates
ZBX-21163 Fixed "Host inventory overview" page behavior when selected host group was removed Frontend
ZBX-20584 Fixed possibility to open graph in a full screen from graph widget Frontend
ZBX-20233 Fixed handling of empty configuration parameters $ZBX_SERVER and $ZBX_SERVER_PORT the same as if they were not defined API Frontend
ZBX-20029 Fixed deprecated keys in IIS by Zabbix agent templates Templates
ZBX-20888 Improved out of memory error message readability Proxy Server
ZBX-21020 Improved "ServerActive" configuration option description Documentation
ZBX-20855 Fixed preprocessing not to discard event log specific data Proxy Server
ZBX-20638 Fixed handling of DB version higher than supported Frontend Proxy Server
ZBX-21015 Fixed web scenario tags disappearing from Monitoring -> Hosts -> Web scenario on page auto refresh Frontend
ZBX-20847 Fixed inability to attach any host groups after removing already attached ones Frontend
ZBX-20534 Fixed popup layout for importing when horizontal scroll was not visible Frontend
ZBX-20496 Fixed delete missing import option for templated dashboards Frontend
ZBX-20591 Fixed draggable block position in preprocessing Frontend
ZBX-21086 Fixed regexp matching not to check for UTF-8 validity Agent Proxy Server
ZBX-21350 Fixed cross-site scripting vulnerability in backurl parameter Frontend

Installation and Upgrade Notes


See Zabbix指导手册。 for full details.


See 升级指南 for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 6.2.1.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free 升级服务 for easy migration from earlier versions of Zabbix. Please 联系我们 for pricing and more details.


Zabbix 6.2 Manual