Release Notes for Zabbix 3.0.27

Zabbix Team is pleased to announce the availability of Zabbix 3.0.27.

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 3.0.27. Download it from download.

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

Bug Fixes

ZBX-16019 Fixed HOST.CONN, HOST.IP, IPADDRESS and HOST.DNS macros expansion in global scripts
ZBX-15674 Fixed map status to be displayed OK if there are no problem in submaps
ZBX-2494 Fixed sorting of items, item prototypes, lld rules and screens to avoid deadlocks in database between server and frontend
ZBX-10404 Fixed password being passed in plain text in media type edit form
ZBX-15721 Fixed escaping of control characters in JSON encoder
ZBX-15937 Fixed agent startup problem in Win 2008 R2 w/o SP1 by merging ZBX-15728
ZBX-15588 Fixed function names that are written to the log file when using LOG_LEVEL_DEBUG
ZBX-15870 Fixed redundant jsloader loading in login page
ZBX-15913 Fixed possible crash when sending custom alerts
ZBX-13347 Fixed possible crash in history syncer process when processing discovered item value

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 3.0.27.

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 3.0 Manual