Release Notes for Zabbix 4.0.27

Zabbix Team is pleased to announce the availability of Zabbix 4.0.27.

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 4.0.27. Download it from download.

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

New Features and Improvements

ZBXNEXT-2480 Removed autocomplete from fields having sensitive data

Bug Fixes

ZBX-18155 Removed positional macros from item names on 'Web monitoring' page
ZBX-5842 Fixed ability to detect username existence from unsuccessful login message
ZBX-18564 Moved taskid calculation to transaction when creating remote command task
ZBX-18487 Increased trapper verbosity for DebugLevel=4 when rejecting sender data
ZBX-18185 Fixed compilation error on Solaris 10
ZBX-18317 Fixed fatal error when updating only discovered triggers and their properties
ZBX-18163 Fixed deletion of one last remaining main host interface to show error instead of silently deleting the interface
ZBX-18058 Updated the list of item keys and their descriptions

Installation and Upgrade Notes


See Zabbixマニュアル for full details.


Recompile Zabbix binaries and update front-end PHP files. See Zabbix manual for a detailed upgrade procedure.

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