Release Notes for Zabbix 6.4.1rc1

Zabbix Team is pleased to announce the availability of Zabbix 6.4.1rc1.

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 6.4.1rc1. 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-8312 Increased TimescaleDB maximum supported version to 2.10 Server
ZBXNEXT-8317 Increased MariaDB maximum supported version to 10.11 Proxy Server
ZBXNEXT-8012 Implemented API token authentication in user.checkAuthentication method API
ZBXNEXT-7759 Added array and Buffer support to JavaScript btoa function and HttpRequest post/put methods Proxy Server
ZBXNEXT-8071 Added sysdba, sysasm, and sysoper login options to Zabbix agent 2 Oracle plugin and updated Oracle by Zabbix agent 2 template documentation Agent Templates
ZBXNEXT-8241 Added support of signing data using rs256 to the JavaScript engine Server
ZBXNEXT-8217 Added connector metrics to Zabbix server health templates Templates
ZBXNEXT-8208 Added storage accounts in Azure template Templates
ZBXNEXT-8105 Fixed connector diagnostic information reporting in case there are no connectors Server

Bug Fixes

ZBX-22471 Fixed SNMP walk item returns units if MIB files are installed Proxy Server
ZBX-22513 Fixed use of SourceIP option for vmware tags Proxy Server
ZBX-22588 Fixed unauthorised file system access when using cURL Proxy Server
ZBX-22205 Fixed the inability to update a dependent item that is inherited from a template Frontend
ZBX-22310 Fixed broken database upgrade if started more than one Zabbix server at the same time on one database Proxy Server
ZBX-22097 Fixed exiting process when connection to the database is lost Proxy Server
ZBX-22105 Returned the assignment of the host interface for Simple check, External check, SSH agent, TELNET agent, and HTTP agent items and item prototypes that are inherited from the template to the host API
ZBX-22480 Fixed template import in case the imported template objects match existing inherited template objects API Frontend
ZBX-21576 Optimized preprocessing in ClickHouse by HTTP template Templates
ZBX-21813 Fixed User role update page when an empty user role name has been submitted Frontend
ZBX-21669 Added the possibility to filter System user in the audit log Frontend
ZBX-22413 Fixed autofocus for inherited web scenario edit Frontend
ZBX-22261 Added value mapping in the template PostgreSQL by Zabbix agent 2 for item Checksum failures Templates
ZBX-22507 Fixed positioning of the debug information on dashboards in the editing mode Frontend
ZBX-22506 Fixed horizontal scrollbar occasionally appearing on Graph widgets Frontend
ZBX-22512 Fixed occasional jumping of hint-boxes of Graph widgets, when made static Frontend
ZBX-22403 Added license information to the Readme for Veeam Backup templates Templates
ZBX-21591 Optimized Nginx Plus by HTTP template to spread the load across the workers, proofreading changes Templates
ZBX-21596 Optimized preprocessing steps in the Redis by Zabbix agent 2 template Templates
ZBX-20863 Fixed the distance between scroll bar and Close button in the Details message box Frontend
ZBX-22520 Fixed the versions of integrations Templates
ZBX-21578 Optimized HAProxy HTTP/agent templates to spread the load across workers Templates
ZBX-19466 Changed global script name validation to include a menu path into its scope of uniqueness check API Frontend
ZBX-22073 Fixed subfilters of the Latest data and Graphs occasionally hiding the selected options Frontend
ZBX-22490 Fixed HttpRequest limit in JavaScript being reached even if all objects are destroyed Proxy Server
ZBX-22265 Fixed Warning info icon inconsistencies Frontend
ZBX-22240 Fixed selects of history and trends being able to block housekeeping Server
ZBX-21739 Fixed Discover status not being updated for templated graph prototypes API Frontend
ZBX-21723 Removed syslog LogType from config file for Zabbix agent 2 on Windows Documentation Agent
ZBX-22407 Fixed a crash when testing an item with the aggregated function count containing invalid argument Server
ZBX-22056 Fixed the "No data found" message style in Monitoring->Problems Frontend
ZBX-22411 Fixed incorrect time in the dashboard Graph widget hintbox Frontend
ZBX-22026 Fixed SNMP agent item going to unsupported state on NULL result Proxy Server
ZBX-22058 Fixed navigation tree collapsing after the page refresh Frontend
ZBX-22004 Fixed missing opacity for a draggable data set in SVG graphs Frontend
ZBX-21902 Emphasized the HTML type in the attribution field in the Administration->Geographical Maps Frontend
ZBX-21764 Fixed misplaced error messages in the edit form for host groups and template groups Frontend
ZBX-18288 Fixed undefined offset runtime error in the Graph prototype preview Frontend
ZBX-21802 Fixed Enabled button in the discovered calculated items Frontend
ZBX-22459 Fixed untranslatable strings Frontend
ZBX-21963 Fixed $ZBX_SERVER value being ignored unless $ZBX_SERVER_PORT is also defined Frontend
ZBX-21748 Fixed the background of the Close button in the message box for the dark theme Frontend
ZBX-22353 Fixed buttons position in the discovery rules form Frontend
ZBX-21642 Fixed a filter not clearing when clicking on a specific host Frontend
ZBX-22186 Fixed wrong color update after item order change in graphs Frontend
ZBX-19339 Fixed import and export of dependent LLD rules if master item is a web item API
ZBX-22188 Changed parameters of the wmi.get and wmi.getall keys to mandatory Frontend
ZBX-19202 Fixed template dashboard availability to users without permissions to the templates API
ZBX-21238 Fixed the inability to update status and other fields of a discovery rule of script type API
ZBX-22230 Fixed the search filter for the Action log report page and the Action log widget Frontend
ZBX-21834 Fixed the map navigation tree breaking if there is a disabled trigger used as a link indicator between two elements in a map Frontend
ZBX-22229 Updated Zabbix web service dependencies
ZBX-21915 Fixed the uncaught reference error when changing an email for the Office365Relay email provider Frontend
ZBX-22241 Fixed map link color and drawing style selection when multiple triggers are in the problem state Frontend
ZBX-22236 Fixed maxlength attribute for the Name field in the media type mapping edit form Frontend
ZBX-22203 Fixed the tabfilter item click event being executed at the end of the tabfilter sorting event in Firefox Frontend
ZBX-22434 Fixed race condition when starting Zabbix agent 2 with loadable plugins Agent
ZBX-22208 Fixed clickable disabled fields in the Users->Authentication LDAP and SAML forms Frontend
ZBX-22182 Fixed inherited item SNMP walk to JSON preprocessing parameter's Remove and Add buttons Frontend
ZBX-22311 Reduced self monitor timekeeper CPU overhead Proxy Server
ZBX-20801 Updated the Readme in the Docker template Templates
ZBX-22298 Fixed metrics preprocessing in PVC discovery in Kubernetes cluster state by HTTP template, removed non-existing PVC statuses, combined state phases into single phase metrics, added PV discovery Templates
ZBX-22417 Fixed connector create and update with an empty tag name in the Administration->General->Connectors Frontend
ZBX-22079 Fixed "make clean" command when used from tar archive Proxy Server
ZBX-22320 Fixed success message when disabling hosts in host groups 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 6.4.1.

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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