Release Notes for Zabbix 2.3.3

Zabbix Team is pleased to announce the availability of Zabbix 2.3.3.

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 2.3.3. 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-219 Added ability to remove resources missing in XML file
ZBX-1357 Updated Polish and Slovak translations; thanks to Zabbix translators
ZBX-8473 Improved performance of deleting triggers by API and server - events will be deleted only by the housekeeper
ZBXNEXT-1826 Added proxy name as host prefix in item queue details page
ZBXNEXT-1848 Added support for internal item zabbix[host,,maintenance]
ZBXNEXT-1848 Added processing of internal items in maintenance without data collection
ZBXNEXT-2279 Zabbix[proxy,,lastaccess] will be always performed by server
ZBXNEXT-1133 Added support for custom expressions in action conditions
ZBXNEXT-1300 Added low-level discovery support for enumerating CPUs on all supported platforms
ZBX-8459 Made possible CORS AJAX requests for JSON API

Bug Fixes

ZBX-8512 Fixed processing of without a newline character in the end of http GET response
ZBX-8471 Fixed removing slides from slideshows in cases when some slides have been deleted
ZBX-8509 Fixed item custom multiplier formula default value to be "1" and not become unset in some cases
ZBX-8430 Fixed cascade removal of action conditions when deleting related discovery rule and checks
ZBX-8432 Fixed multiselect resize and IE11 visual issues
ZBX-8478 Fixed slideshow handling in monitoring for slideshows without slides
ZBX-8493 Fixed usergroup.massadd API call to not create duplicate entries in "rights" table
ZBX-8492 Fixed maintenance periods without hosts/hostgroups to be accessible by both admins and superadmins
ZBX-2570 Fixed dashboard widgets showing error messages about expired/broken session
ZBX-8428 Fixed item.get API call to return values for "lastvalue", "lastclock", "lastns", "prevvalue" only for last 24 hours
ZBX-8468 Removed unnecessary "empty" buttons in map element popups
ZBX-8431 Added context for text string 'Name'
ZBX-8467 Removed "make_latest_issues" function extra argument
ZBX-8436 Fixed page layout being broken with IE8 in cases when item rows are added or removed
ZBX-8286 Fixed undefined index when enabling or disabling hosts in a host group
ZBX-8037 Added informative log message about Zabbix not upgrading SQLite3 databases
ZBX-8425 Fixed "Host status" widget displaying problematic host if one of its groups is set to hidden in dashboard filter

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 2.3.3.

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 2.3 Manual