Release Notes for Zabbix 6.4.5

Zabbix Team is pleased to announce the availability of Zabbix 6.4.5.

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 6.4.5. Download here.

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-8481 Added PostgreSQL by ODBC template Templates
ZBXNEXT-8561 Added nodata trigger to remote Zabbix proxy and server health templates Templates
ZBXNEXT-8505 Added Cisco SD-WAN templates Templates
ZBXNEXT-8482 Added integration with OpenStack Nova Templates
ZBXNEXT-8451 Disabled spell checking for nondescriptive textareas Frontend
ZBXNEXT-7944 Excluded edgeupdate service from services discovery in Windows by Zabbix agent templates Templates
ZBXNEXT-8422 Added AWS ECS templates Templates

Bug Fixes

ZBX-23107 Fixed small memory leak in Zabbix agent 2 Agent
ZBX-22343 Removed use of deprecated cURL setopt options Agent Proxy Server
ZBX-22822 Fixed displaying the correct threshold color in "Top hosts" widget when value exceeds maximum Frontend
ZBX-22777 Fixed item test form sending incorrectly resolved macros to server if item uses SNMP interface Frontend
ZBX-23097 Fixed use of uninitialised value when verifying subject and issuer with TLS Agent Proxy Server
ZBX-23112 Fixed runtime errors in the inheritance of the trigger and trigger prototype dependencies API
ZBX-22539 Fixed SLI calculation for days with daylight-saving-time transitions API
ZBX-22916 Fixed action condition type dropdown not reloading the form if mouse is clicked and dragged Frontend
ZBX-22814 Fixed PHP runtime errors in API trigger.get method when using "expandComment" option API
ZBX-23037 Fixed memory leak in vfs.fs.get[] Agent
ZBX-22915 Fixed unfocusable dashboard pages in editing mode Frontend
ZBX-23049 Fixed default condition for log item macro resolution Server
ZBX-21909 Updated setup section in README for PHP-FPM templates to include configuration example for Apache Templates
ZBX-21547 Fixed reading of non-UTF-8 encoded files in Zabbix agent 2 Agent
ZBX-20148 Fixed the issue with housekeeper failing to delete some of the events that required deletion Server
ZBX-21970 Fixed console error in "Map navigation tree" widget; disabled add button on a 10th depth level Frontend
ZBX-19393 Fixed undefined index errors in configuration.importcompare API
ZBX-22811 Removed CSRF token from the URL Frontend
ZBX-22290 Fixed generation of double page headers when general warning appears Frontend
ZBX-21845 Fixed Zabbix agent 2 systemd plugin failing with newer dbus Agent
ZBX-22830 Fixed free bytes calculation for temporary tablespace in Oracle Zabbix agent 2 plugin Agent
ZBX-22800 Fixed detection of authentication LDAP userdirectory when user is assigned to multiple user groups with LDAP authentication API Frontend
ZBX-22808 Fixed broken timeline breakpoint in "Problems by severity" widget Frontend
ZBX-22914 Fixed incorrect calculation of event correlation condition formula when adding a third condition to existing two conditions Frontend
ZBX-22912 Fixed not being able to save an event correlation when custom formula was selected but only one condition remained Frontend
ZBX-22906 Fixed correlation condition popup creating a duplicate condition record when editing an existing correlation Frontend
ZBX-21571 Updated pod crash loop trigger expressions in Kubernetes nodes and cluster state templates Templates
ZBX-22369 Fixed suffix interpretation in threshold values for "Item value" and "Top hosts" widget Frontend
ZBX-22825 Fixed Zabbix access to the first page for user with specific page access Frontend
ZBX-22711 Fixed incorrectly displayed simple graphs with non-numeric items in Host graphs page Frontend

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 6.4.5.

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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