Release Notes for Zabbix 1.8.11rc1

Zabbix Team is pleased to announce the availability of Zabbix 1.8.11rc1.

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 1.8.11rc1. Download it from download.

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

Fixes and minor improvements

ZBX-4718 fixed Graph axis item cloning in host Full Clone API Frontend
ZBX-3522 fixed errors when inserting too long values in the user_history and profiles tables Frontend
ZBX-4124 fixed template.get to correctly select applications, graphs and triggers; thanks to gescheit API
ZBX-4562 fixed mediatype.update returning incorrectly formatted result API
ZBX-4721 fixed handling of \u0000 by JSON parser; thanks to Rick Alm Agent Proxy Server
ZBX-4604 added the "change" link for clocks in screen configuration Frontend
ZBX-4604 fixed the "change" link not being accessible for graph type screen items in embedded screens Frontend
ZBX-4549 fixed nested db transaction error when stopping server Server
ZBX-4694 fixed possible SQL errors or server crash while processing trends by history syncer Server
ZBX-4579 fixed incorrect "unknown" values in availability report if no events present Frontend
ZBX-4683 fixed timestamps mismatch while sending history data from proxy Proxy
ZBX-4140 fixed trigger test functionality for operator '#' Frontend
ZBX-4600 fixed trigger dependencies being reset when executing a mass update Frontend
ZBX-4604 fixed "screen" type screen item validation API Frontend
ZBX-4680 fixed minor typo in frontends/php/js/class.rpc.js Frontend
ZBX-1298 fixed processing of command line arguments more than 2KB in proc.num and proc.mem checks on Linux Agent
ZBX-4650 fixed possible server crash while processing trigger expressions Server
ZBX-3688 fixed changing host's availability for dynamic SNMP checks Proxy Server
ZBX-3788 signal handlers changed to reduce probability of process hang on exit Agent Proxy Server
ZBX-4593 fixed "trigger info" type screen item resource validation API Frontend
ZBX-1555 fixed discovery error message if IPv6 support is not compiled in Proxy Server
ZBX-3992 removed web monitoring items from synchronization of the proxy Proxy Server
ZBX-860 more useful SNMP error messages Proxy Server
ZBX-1787 fixed gradient element rendering if the value exceeds the max Y scale value Frontend
ZBX-4612 Unix style exit codes when converting database to DM Server
ZBX-2679 fixed validation of masks in IP ranges in discovery API Frontend
ZBX-4333 fixed linking templates with cross template trigger dependencies API Frontend
ZBX-4333 fixed empty error messages when performing certain actions API Frontend
ZBX-3262 fixed warning "no AC_LANG_SOURCE call detected in body" raised during compilation Installation
ZBX-4586 fixed items being bound to the wrong applications when cloning to a different host Frontend
ZBX-3955 added pop up field name parameter validation Frontend
ZBX-4535 fixed build with --as-needed linker flag Agent Installation Proxy Server
ZBX-4564 daemon processes will use default priority, no prioritization on startup Agent Proxy Server
ZBX-4507 added possibility to remove a discovered host from "Discovered hosts" group by action Server
ZBX-4569 fixed newline at end of file for some upgrade patches Installation
ZBX-4354 fixed validation of a trigger expression Frontend
ZBX-1609 added support for all data types in dynamic indexes in SNMP Server
ZBX-4511 removed the "user_history" table from the list of synchronized tables between nodes Server
ZBX-4499 fixed upper case error in some browsers while adding user macro API Frontend
ZBX-4526 fixed processing of string trigger functions if the data contains CR character Server
ZBX-4073 removed unused TrendCacheSize and CacheUpdateFrequency options from proxy Proxy
ZBX-4506 removed unnecessary new line symbol stripping from HTML attributes Frontend
ZBX-4525 updated Brazilian Portuguese translation; thanks to Murilo Moreira de Oliveira Frontend
ZBX-4468 removed possibility to add multiple value mappings with same name Frontend
ZBX-4404 fixed incorrect max value for the MaxHousekeeperDelete option in the default zabbix_server.conf file Documentation
ZBX-4337 fixed broken check for existing user macros on host while adding macros to host API
ZBX-4461 changed binary path from bin to sbin in FreeBSD initscripts Installation
ZBX-4491, ZBX-4559 updated Japanese translation; thanks to Kodai Terashima Frontend
ZBX-4169 fixed filter being reset after timeline is change in Monitoring->Latest data->History for log items Frontend
ZBX-3219 changed global script error messages to more user friendly ones Frontend
ZBX-4457 updated French translation; thanks to Joseph Bueno Frontend
ZBX-3909 fixed link to null on map menu and non-hiding menu in maps Frontend
ZBX-4421 added individual CPU statistics on FreeBSD Agent
ZBX-4466 fixed inserting UNKNOWN events with incorrect 'clock' values Server
ZBX-2802 fixed handling of NodeNoHistory and NodeNoEvents parameters Server
ZBX-4394 fixed handling of log rotation failure Agent Proxy Server
ZBX-4455 fixed the 'sortorder' field validation in the IT services form Frontend
ZBX-4447 fixed object selection in several forms in IE6 and IE7 Frontend
ZBX-4298 fixed the number of deleted events in the housekeeper deleted data report Server

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 1.8.11.

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 1.8 Manual