Release Notes for Zabbix 2.3.1

Zabbix Team is pleased to announce the availability of Zabbix 2.3.1.

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 2.3.1. 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-282 Implemented additional options and HTTP header support for web scenarios API Frontend Proxy Server
ZBXNEXT-2254 DbSchema configuration parameter now applies to PostgreSQL as well as IBM DB2 Proxy Server
ZBX-1357 Updated Japanese, Slovak and Spanish translations; thanks to Zabbix translators API Frontend

Bug Fixes

ZBX-8276 Fixed latest data filtering by name Frontend
ZBX-8195 Fixed web scenario step validation for httptest.create and httptest.update API methods API
ZBX-8172 Fixed translation of \uxxxx sequences in JSON string values Agent Proxy Server
ZBX-8241 Fixed duplicate display of actions in media type list Frontend
ZBX-8194 Improved validation for web scenarios and web steps API Frontend
ZBX-8269 Fixed processing of active checks in agent Agent
ZBX-8238 Fixed updating agent 'mtime' for logrt[] items; thanks to Yoshinori Komuro for patch Agent
ZBX-7535 Trivial change from 'Link' to 'URL' in error messages Frontend
ZBX-8259 Fixed padding for widgets in screen Frontend
ZBX-8143 Triggers are now committed to the database individually when setting to an unknown state to avoid potential locking between the poller and history syncer Server
ZBX-7968 Fixed bug when proxy stopped sending history data if it had more than 1000 unmonitored item values in history table; thanks to Corey Shaw for identifying the issue and providing a patch Proxy
ZBX-8221 Corrected labels while copying items Frontend
ZBX-8092 Added disabled hosts and disabled items to the configuration cache for correct macro expansion in notifications Server

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 2.3.1.

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