Release Notes for Zabbix 6.4.0beta1

Zabbix Team is pleased to announce the availability of Zabbix 6.4.0beta1.

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 6.4.0beta1. 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-7912 Improved media type configuration API Frontend Installation Server
ZBXNEXT-3290 Added incremental proxy configuration sync API Proxy Server
ZBXNEXT-7971 Increased max length of the "URL (after login)" field API Frontend Installation
ZBXNEXT-7931 Removed heartbeats support from Zabbix proxy Proxy Server
ZBXNEXT-2557 Added support of Zabbix proxies with legacy version API Frontend Installation Proxy Server Templates
ZBXNEXT-6797 Increased length of host metadata Agent Installation Server
ZBXNEXT-3496 Added ability to add own links to Host and Event context menu API Frontend Server
ZBXNEXT-6181 Added functionality to remove SQLite3 DB file on proxy version increase Proxy
ZBXNEXT-1616 Added monitoring of mount point options for Unix-like OSes Agent
ZBXNEXT-7661 Implemented thresholds for dynamic background color in item value widget Frontend
ZBXNEXT-7830 Implemented better menu structure Frontend
ZBXNEXT-7832 Renamed setting "Dynamic item" to "Enable host selection" for URL, Plain text, Graph prototype, Item value, Graph classic widgets Frontend
ZBXNEXT-7852 Added incremental active check refresh for active agents Documentation Agent Proxy Server
ZBXNEXT-6406 Removed requirement of host interface for server-originated checks Frontend Proxy Server

Bug Fixes

ZBX-17060 Fixed unexpected interface connection mode change during autoregistration Server
ZBX-21388 Fixed Zabbix agent 2 plugin read error and updated plugin support dependency for Zabbix agent 2 Agent
ZBX-20864 Fixed format specifier definitions on AIX Agent Proxy Server
ZBX-21605 Fixed possible PHP runtime errors in several modal popup dialogs Frontend
ZBX-21097 Fixed filtering by "Resource ID" and "Recordset ID" fields for "Audit log" page API Frontend
ZBX-21580 Optimized HPE MSA 2060 Storage by HTTP template to spread the load across preprocessing workers Templates
ZBXNEXT-5535 Implemented preselected host pattern filter for autosuggest used in items pattern field in graph widget Frontend
ZBX-21579 Optimized HPE MSA 2040 Storage by HTTP template to spread the load across preprocessing workers Templates
ZBX-21421 Fixed variable spelling in Kubernetes cluster state by HTTP template Templates
ZBX-21544 Fixed value of query field being truncated to the first "=" sign when pressing parse button Frontend
ZBX-21581 Optimized HPE Primera template to spread the load across preprocessing workers Templates
ZBX-21456 Fixed net.tcp.socket.count problem on Zabbix agent 2 when ipv6 is disabled Agent
ZBX-21009 Fixed double escaping in trigger function upon host autoregistration Server
ZBX-21664 Fixed Zabbix server crashing during database upgrade when converting service times and there is downtime inside uptime Server
ZBX-21466 Fixed race condition in Zabbix agent 2 leading to permanently stuck mount reads Agent

Installation and Upgrade Notes


See Zabbixマニュアル for full details.


See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 6.4.0.

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 営業への問い合わせ for pricing and more details.


Zabbix 6.4 Manual