ZABBIX 3.0.5rc1





26 September 2016

Zabbix Team is pleased to announce the availability of Zabbix 3.0.5rc1 (Release Candidate).

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 3.0.5rc1. Download it from

This release fixes known issues of Zabbix 3.0.x. No new functionality is introduced.

This release is not for production use. It is a Release Candidate!

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

What's New

:: New Features and Improvements

  • [ZBXNEXT-3106] improved concurrent VMware item polling speed, reduced size of cached VMware data
  • [ZBX-11136] increased width of input fields
  • [ZBX-1357] updated Chinese (China), French, German, Korean, Persian translations; thanks to Zabbix translators
  • [ZBXNEXT-3389] removed value length limitation in zabbix_sender when reading data from file/stream

:: Bug Fixes

  • [ZBX-11204] fixed parameter parsing in calculated items when it contains double quote escaping
  • [ZBX-5448] fixed possible delay when proxy sends cached history to server
  • [ZBX-7595] fixed long SNMP OID not being accepted
  • [ZBX-7108] fixed error when upgrading graph_theme table in proxy database from 1.8 to 2.0
  • [ZBX-9068] fixed forms behaviour when enter key is pressed
  • [ZBX-11245] fixed escaped double quote parsing in quoted parameters in array in item key parameters
  • [ZBX-11175] fixed compilation failure for OpenBSD 5.8, 5.9, 6.0
  • [ZBX-11137] fixed validation of new host group when creating/updating template
  • [ZBX-11151] implemented dynamic default sortorder for graph item, default sortorder increases by one with each entry of graph item
  • [ZBX-8897] increased performance of Monitoring->Events page
  • [ZBX-10758] added converting of SNMP lld rules in XML import
  • [ZBX-11131] removed mistaken support of {ITEM.VALUE} and {ITEM.LASTVALUE} macros in trigger URLs
  • [ZBX-11143] added missing space in CTrigger.php SQL query
  • [ZBX-11040] added "page navigation" context to translation strings "First" and "Last"; replicated translations for "First" and "Last" in "page navigation" context from 2.2 branch
  • [ZBX-11070] disallowed zabbix admin accessing notifications of users that does not share any user group
  • [ZBX-11057] fixed drawing lines of items with scheduled interval when graph data is selected from trends
  • [ZBX-8801] made "Trigger status" be always remembered in "Monitoring" -> "Triggers" and "Monitoring" -> "Overview", even if "All"
  • [ZBX-10974] fixed filter being reset when moving to a different page in "Monitoring" -> "Triggers"
  • [ZBX-11020] fixed "host.create" so that both "inventory" and "inventory_mode" are optional
  • [ZBX-8489] removed ODBC request answer size limitation
  • [ZBX-10830] fixed SNMP trap to convert non-printable values from SNMPv3 to hexadecimal
  • [ZBX-11071] fixed closing success and error messages in IE
  • [ZBX-11124] fixed memory leak in process of deleting hosts, which occurs during lld processing
  • [ZBX-11109] fixed processing of parameter HousekeepingFrequency=0 in proxy
  • [ZBX-11099] reduced configuration cache lock time after host maintenance ends
  • [ZBX-9413] fixed disabled hosts linking to a maintenance
  • [ZBX-11100] fixed minor bugs and use of magic numbers in IP range parsers
  • [ZBX-11072] fixed problem with string truncation for IBM DB2 databases which contain the char '\r'
  • [ZBX-11081] fixed compilation error with curl library
  • [ZBX-10901] added missing highlighting for some UI elements in focused state
  • [ZBXNEXT-3351] decreased padding in screens to make them more compact
  • [ZBX-11059] fixed duplicate notifications sending from one media type
  • [ZBX-11073] fixed compilation with Net-SNMP library support
  • [ZBX-10263] fixed incorrect record count in getPagingLine() when search limit is reached
  • [ZBX-10621] fixed hanging of dragged widget while updating content
  • [ZBX-10621] removed excessive white space in dashboard
  • [ZBX-10713] fixed incorrect macro {ESC.HISTORY} that gathers history about one event to different actions
  • [ZBX-10759] fixed trigger prototypes status when host become unavailable
  • [ZBX-10971] fixed memory leak when action is removed from configuration
  • [ZBX-10721] made the third parameter () of "net.tcp.service" optional
  • [ZBX-11015] fixed proc.cpu.util for non-privileged agent on Solaris
  • [ZBX-10753] fixed server reconnection attempts to MySQL on start and while running in case MySQL stopped or restarting
  • [ZBX-11012] fixed expansion of macro {DISCOVERY.RULE.NAME}
  • [ZBX-10504] reduced padding around graphs to account for decreased padding in CSS
  • [ZBX-10591] fixed header widget being broken by selects with long values
  • [ZBX-10987] fixed table header line not being visible in dark theme
  • [ZBX-10797] fixed evaluation of user macros in calculated items

Installation and Upgrade Notes


See Zabbix Manual for full details.


Recompile Zabbix binaries and update front-end PHP files. Execute a database patch if migrating from Zabbix 1.8.x. 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 to Zabbix. Please contact Sales for pricing and more details.


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