Release Notes for Zabbix 3.4.2rc1

Zabbix Team is pleased to announce the availability of Zabbix 3.4.2rc1.

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 3.4.2rc1. 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-4091 Improved permission schema of the dashboards for normal administrators API Frontend
ZBXNEXT-4099 Removed starting point from all OIDs; shortened old IOS Cisco templates names Templates
ZBXNEXT-4067 Added preprocessing_queue item/graph/screen widget in Template App Zabbix Server Templates
ZBXNEXT-4084 Renamed action acknowledgment operation 'Notify all who left acknowledgement and comments' to 'Notify all involved' API Frontend
ZBXNEXT-4084 Added users who received notifications regarding the problem to 'Notify all involved' acknowledgment operation recipient list Server
ZBX-1357 Enabled Turkish translation to be displayed by default API Frontend
ZBX-1357 Updated Chinese (China), English (United States), Japanese, Korean, Turkish translations; thanks to Zabbix translators API Frontend
ZBXNEXT-4054 Implemented feature to open first available dashboard from the list Frontend
ZBXNEXT-4046 Implemented dashboard widget minimum height limit Frontend

Bug Fixes

ZBX-12708 Fixed service port validation if auto-discovery is performed by the zabbix proxy Proxy Server
ZBX-12718 Fixed crash when using item of log value type as master item for dependent items Agent Proxy Server
ZBX-12720 Fixed processing of log keys with non log value types for items monitored by proxies Proxy
ZBX-12530 Fixed non well formed numeric value encaunteration in slideshow; implemented getBBox workaround for Firefox Frontend
ZBX-12688 Fixed false positives on 'High bandwidth usage' trigger in Template_Module_Interfaces_* templates Templates
ZBX-11675 Fixed crash that could occur during connection failures to MySQL Proxy Server
ZBX-12617 Fixed sorting by host name for items on availability report page Frontend
ZBX-12699 Added support of strings in "sortfield" and "sortorder" parameters, and added sorting by "name" for dashboard.get() API
ZBX-12577 Added item select filter for simple graph to allow select only supported item Frontend
ZBX-12647 Fixed map minimum severity option in screens Frontend
ZBX-12696 Fixed trigger not being calculated for newly received item values if last one of those is unsupported value Server
ZBX-12548 Fixed notification sound not being played for message with timeout set to greater than minute Frontend
ZBX-12653 Fixed heap corruption in Windows agent; thanks to Ronnie Kaech for the patch Agent
ZBX-12660 Fixed result of hostinterface.replacehostinterfaces method API
ZBX-12469 Added new context for 'Second' string to be properly translated in maintenance period form Frontend
ZBX-12616 Fixed trapper item "Allowed hosts" field user macro support Frontend
ZBX-12493 Fixed address and ports array size in zbx_init_ipmi_host() to match OpenIPMI internals Proxy Server
ZBX-10820 Fixed potential loss of data when server/proxy processes zabbix_sender data Agent Proxy Server
ZBX-4252 Eliminated sending of DNS AAAA queries when checking IPv4 incoming connection in agent or for trapper item and A queries in case of IPv6 Agent Proxy Server
ZBXNEXT-2102 Fixed multiple browser sensitive javascript bugs in navigation tree widget and improved coding style Frontend
ZBX-12623 Fixed label macro resolving in maps Frontend
ZBX-12578 Implemented widget field validation before dashboard is loaded and fixed undefined index for tag field in dashboard widgets Frontend
ZBX-12499 Fixed macro expansion in map editor API Frontend
ZBX-12597 Fixed graph not being displayed if item update interval contains macro Frontend
ZBXNEXT-3807 Fixed delayed first refresh in map widget; improved coding style Frontend
ZBX-12500 Fixed regular expression pre-processing step to fail if the pattern does not match input data Server
ZBX-11042 Allowed libcurl to choose SMTP authentication mechanism other than PLAIN Frontend Server
ZBX-12374 Fixed frontend side DNS parser logic to be same as server side DNS parser logic Frontend
ZBX-8997 Fixed trigger expression validation test form Frontend
ZBX-12558 Fixed scroll duration in dashboard after adding a new widget Frontend
ZBX-12434 Fixed housekeeping of problems and events for deleted items and triggers; added optional database patch to cleanup problems for deleted items and triggers Frontend Installation Server
ZBX-12646 Fixed incorrect SQL query in availability reports Frontend
ZBX-12545 Fixed undefined index error on latest data page when host was deleted in another session Frontend
ZBX-12416 Optimized data selection of user preferences stored in profiles Frontend
ZBX-12321 Fixed removal of multiselect options using backspace button Frontend
ZBX-11607 Fixed a rounding of large unsigned numbers Frontend
ZBX-12668 Removed delay between sending batches of cached historical data by active proxies Proxy
ZBX-12554 Fixed item helper description for proc_info and diplay order for vfs.dir.size Frontend
ZBX-12605 Fixed line graph was displayed as points for data taken from trends Frontend
ZBX-12404 Fixed visibility of item data first row for 'latest data' page and 'audit log' page Frontend
ZBX-12546 Fixed maps not loading without built-in JSON support Frontend
ZBX-12634 Fixed incorrect subnet mask calculation when CIDR is less than 8 Agent Proxy Server
ZBX-12635 Fixed processing of lld rules in not supported state Server
ZBX-12186 Fixed parallel processing of multiple values for same lld rule Server
ZBX-12527 Fixed inconsistency of 'mode' parameter check in vfs_dir_size(); thanks to MATSUDA Daiki for patch Agent
ZBX-12327 Fixed XML import when preprocessing param value is space character Frontend
ZBX-12569 Fixed possible SQL errors in dashboard.create() and dashboard.update() methods API
ZBX-11887 Fixed improper DB::refreshIds() call when selected row is locked Frontend
ZBX-12618 Fixed memory related bugs in item preprocessing Server
ZBX-12022 Fixed trigger resolving in services configuration; fixed popup window size Frontend
ZBX-12396 Fixed an error in screens if screen trigger overview element contains deleted host group Frontend
ZBX-12429 Fixed template replacement in mass update form Frontend

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 3.4.2.

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.


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