Release Notes for Zabbix 5.2.4

Zabbix Team is pleased to announce the availability of Zabbix 5.2.4.

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 5.2.4. 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

ZBXCTR-13 Added custom query support for PostgreSQL plugin and template, fixed unix-socket support
ZBXNEXT-5862 Added Rocket.Chat media
ZBXNEXT-6389 Added template for NetApp FAS3220
ZBXNEXT-6419 Added tablespace metrics to Oracle Templates
ZBXNEXT-6331 Updated plugins: ceph, docker, memcached, mysql, oracle, redis — unified functionality (parameters describing and parsing, URI parsing, using sessions, errors handling)
ZBXNEXT-6210 Added native support for proc.mem key in Zabbix agent 2
ZBXNEXT-6367 Added metrics to the official MySQL template
ZBXNEXT-6330 Added Microsoft Exchange Server 2016 template
ZBXNEXT-6219 Added "HashiCorp Vault" template
ZBXNEXT-6231 Added Apache ActiveMQ template
ZBXNEXT-6358 Removed detailed information from Reports -> Notifications page
ZBXNEXT-6364 Removed long lists of cloned objects from host and template full clone forms
ZBXNEXT-6291 Implemented breadcrumbs on host dashboards page
ZBXNEXT-6257 Implemented Check for not supported value preprocessing step test

Bug Fixes

ZBX-18942 Fixed missing SID valiadion in authentication update route
ZBX-18893 Changed frontend config file permissions to 0600
ZBX-18860 Fixed crash of log item during "Check for not supported value" preprocessing step
ZBX-18884 Fixed crash in web monitoring and* keys when encoding non ASCII characters in URL
ZBX-18865 Fixed dbConditionInt ( returning wrong result in rare cases
ZBX-18853 Removed hardcoded teams_endpoint check
ZBX-16216 Fixed semaphore not being cleaned up when stopping Zabbix agent
ZBX-18815 Fixed displaying incomplete list of inherited trigger tags under rare circumstances
ZBX-18556 Fixed gaps in time labels of classic graphs related to DST transitions
ZBX-18468 Changed preprocessing for item "PHP-FPM: Ping" in PHP-FPM templates
ZBX-17369 Fixed retrieval of decimal values from WMI
ZBX-18410 Fixed retrieval of Nth most recent values in trigger function strlen
ZBX-18722 Fixed runtime error when creating user group without users
ZBX-18644 Replaced deprecated gethostbyname function with getaddrinfo
ZBX-18387 Made directory error handling for the UserParameter command in C agent the same as in GO agent
ZBX-18802 Fixed close problem task to be deleted when problem event is deleted
ZBX-17716 Fixed 'UserParameter' parsing and possible buffer overrun
ZBX-17865 Fixed displaying of long problem names on problems and event pages
ZBX-18796 Improved update performance of the preprocessing rules in item.update(), itemprototype.update() and discoveryrule.update() methods
ZBX-17169 Added locale forced to English in userparameter [*] in agent configuration
ZBX-18623 Fixed the global search showing number of objects that user has no permissions
ZBX-18637 Fixed item update form when changing type from calculate or DB monitoring to script item type
ZBX-18612 Added error message for when real-time data export file become inaccessible
ZBX-18784 Fixed memory leak when handling vmware events
ZBX-18625 Fixed host level tags were not inherited in Trigger -> Tags configuration form

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 5.2.4.

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 5.2 Manual