Release Notes for Zabbix 4.0.30

Zabbix Team is pleased to announce the availability of Zabbix 4.0.30.

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 4.0.30. 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

Improved performance of host.create and template.create methods; improved performance of templates linking process; optimized DB::insert() method to send bulk SQL inserts API

Bug Fixes

ZBX-19149 Updated logback-core, logback-classic and slf4j-api jars to the latest stable versions: 1.2.3, 1.2.3 and 1.7.30 Java gateway
ZBX-19150 Added csrf check Frontend
ZBX-12867 Reworked problem event popup of problems widget to load data only on mouse hover and click Frontend
ZBX-17000 Changed translation of 'last' for week of month in japanese Frontend
ZBX-19117 Fixed host deletion, template deletion and maintenance update was not shown in audit log report when it was made via API request API
ZBX-18998 Rewrote API main object validation API Frontend
ZBX-19111 Improved performance of checking circular and double linkages of templates API
ZBX-19023 Fixed inheritance of the permissions and tag filters for new host groups API
ZBX-10370 Allowed Java Gateway to use ssl with remote registry Java gateway

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 4.0.30.

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 4.0 Manual