Release Notes for Zabbix 3.4.4rc1

Zabbix Team is pleased to announce the availability of Zabbix 3.4.4rc1.

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 3.4.4rc1. 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-1421 Added service sorting by name if multiple services has same 'sortorder' value
ZBXNEXT-3493 Added Windows service configuration check to determine if service can be trigger started
ZBXNEXT-4019 Implemented default widget refresh interval
ZBXNEXT-4081 Improved error message for case when none of supported database modules exists

Bug Fixes

ZBX-13133 Fixed multiple security issues
ZBX-12874 Fixed target list to be meaningless if custom set of commands is executed on zabbix server
ZBX-12936 Fixed update proxy lastaccess value when receiving data
ZBX-12854 Fixed crash of VMware collector with DebugLevel=4
ZBX-12903 Added floating value range validation for metrics calculated by server
ZBX-12904 Added validation for groupid and hostid parameters in dashboard view
ZBX-12837 Fixed error in action update when changing media type
ZBX-11902 Fixed CPU count for LPAR partitions in IBM AIX
ZBX-12778 Fixed problem.get and event.get API methods when "selectTags" option contains extended output
ZBX-12260 Fixed windows agent to support UTF-16LE, UCS-2, UCS-2LE encodings
ZBX-12853 Fixed last access not being updated for passive proxies after getting historical data
ZBX-6669 Fixed use of current host as filter when selecting items for graph forms and trigger forms
ZBX-12722 Fixed scrollbar causing a JS error in "500 latest values" page due to unnecessarily initialization
ZBX-12860 Fixed problem counting in host groups in navigation tree widget
ZBX-12710 Fixed OS type detection logic
ZBX-12543 Fixed problems with session management
ZBX-12670 Fixed {HOST.*} macro support in map trigger elements
ZBX-12784 Fixed advanced label support in map editing mode
ZBX-12666 Fixed ETag comparison check in jsLoader for web server with enabled compression
ZBX-12775 Fixed undefined index error in dashboard problems widget
ZBX-12857 Improved pre-processing manager performance when processing large number of values
ZBX-12259 Added an informative warning about lack of data for macros used in LLD rule filter

Installation and Upgrade Notes


See Zabbix指导手册。 for full details.


See 升级指南 for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 3.4.4.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free 升级服务 for easy migration from earlier versions of Zabbix. Please 联系我们 for pricing and more details.


Zabbix 3.4 Manual