Release Notes for Zabbix 4.0.2

26 November 2018

Zabbix Team is pleased to announce the availability of Zabbix 4.0.2.

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 http://www.gnu.org/copyleft/gpl.txt.

This document contains the release notes for Zabbix 4.0.2. Download here.

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

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New Features and Improvements

ZBXNEXT-3848	Added validation of update interval, custom interval, history storage period and trend storage period in low-level discovery Server
ZBXNEXT-4841	Removed hardcoded locations for iconv.h and pthread.h; thanks to Helmut Grohne for the patch Installation
ZBXNEXT-3047	Fixed compilation errors on Windows platform with static OpenSSL libraries Agent
ZBXNEXT-4836	Added license information and OpenSSL linking exception to README file, show crypto library version when started with '-V' Agent Proxy Server

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Bug Fixes

ZBX-15171	Fixed crash in ODBC when creating JSON from null db values, fixed memory leak Proxy Server
ZBX-15045	Fixed a case where a disable multiselect looks like a similar to enabled text field Frontend
ZBX-14927	Fixed filter by host group without real hosts in triggers top 100, dashboard widgets, screens Frontend
ZBX-13662	Fixed duplication of file system type in global regular expression for file systems discovery Installation
ZBX-15036	Added system.cpu.util[,guest], system.cpu.util[,guest_nice] to OS Linux template Installation Templates
ZBX-15106	Improved error messages for item preprocessing, general pcre code improvements Agent Proxy Server
ZBX-15095	Fixed curl error handling for elasticsearch history backend Server
ZBX-15129	Added optional upgrade patches to rename TRIGGER.NAME macros to EVENT.NAME in action operation messages and custom scripts Installation
ZBX-14858	Fixed processing of unlimited vmware maxQueryMetrics value Proxy Server
ZBX-14635	Fixed rare LLD failures when moving host between groups Proxy Server
ZBX-13719	Fixed loss of calc_fnc index in graph edit form Frontend
ZBX-14964	Improved escalator performance during maintenance by checking paused escalations less frequently Server
ZBX-13793	Fixed focus styles on read-only textarea fields Frontend
ZBX-13009	Fixed percentage calculation on availability reports list page Frontend
ZBX-15138	Fixed error message when receiving compressed data over maximum size Agent Proxy Server
ZBX-15154	Fixed time period parameters in data overview context menu links Frontend
ZBX-15044	Fixed javascript error when zooming classic graph in edit mode Frontend
ZBX-15044	Fixed dashboard initialization in edit mode Frontend
ZBX-15053	Fixed timetamp position in map Frontend
ZBX-15033	Fixed zoom-out and select box for graphs in kiosk mode Frontend
ZBX-8396	Improved source code comments Frontend
ZBX-14970	Fixed wrong media type status upon creation, if chosen status disabled Frontend
ZBX-14899	Fixed wrong net.tcp.listen values on obsolete Linux systems Agent
ZBX-14941	Fixed issue with autoreconf/automake for source tarball Installation
ZBX-15142	Fixed time format for vmware performance counters query Proxy Server
ZBX-15010	Fixed regexp compilation error for patterns with referenced subpatterns Agent
ZBX-14724	Fixed breadcrumb jumping in IE browser Frontend
ZBX-15083	Fixed API so that macro {TRIGGER.ID} works in map element URLs API
ZBX-15127	Fixed possible crash when communication problem occurred in the middle of vmware update Proxy Server
ZBX-14396	Fixed excessive memory usage during template full clone API
ZBX-14848	Clarified process type names for log level increase/decrease in help messages and man pages Documentation Agent Proxy Server
ZBX-14833	Fixed selectHosts option in dservice.get API method to return the list of hosts by IP and proxy API
ZBX-15062	Fixed binary heap trying to reallocate slots on every insert Proxy Server
ZBX-14805	Fixed unauthorized request error when resetting filter after enabling/disabling elements Frontend
ZBX-14789	Fixed translations from en_US to en_GB Frontend
ZBX-14758	Fixed encoding for cookie names and values Frontend
ZBX-15122	Fixed possible crash in web monitoring due to posts not being reset between steps Proxy Server
ZBX-14691	Fixed faulty behaviour of mandatory fields in Trigger expression form Frontend
ZBX-13695	Added support of host macros to trapper, HTTP agent item allowed hosts field API Proxy Server
ZBX-15022	Fixed shared memory leak during configuration cache synchronization Server
ZBX-15025	Fixed email alerts being sent twice to one recipient Server
ZBX-15006	Fixed possibility to link map widget to itself as filter widget Frontend
ZBX-14886	Fixed undefined offset error in Problems by severity widget Frontend
ZBX-15090	Fixed memory leak when validating regular expression preprocessing step parameters during LLD Server
ZBX-14625	Changed SNMP OID default value to be displayed as placeholder instead of text Frontend
ZBX-14505	Fixed compiler warning about incompatible pointer type on 32-bit platform Proxy Server
ZBX-1667	Fixed error suppression during php ldap module initialization Frontend
ZBX-13505	Fixed link coloring in map when related trigger is not monitored Frontend
ZBX-15032	Fixed sBox position in screen's graph item when dynamic item is enabled Frontend
ZBX-14953	Fixed not closed connection with vmware at the end of update session via a call to Logout() Proxy Server
ZBX-15007	Fixed current map refresh in map widget right after update widget configuration Frontend
ZBX-14990	Added missing http agent statistic row in queue screen Frontend
ZBX-14984	Fixed missing focus from problem name when opening description editing popup in monitoring problems section Frontend
ZBX-14947	Fixed configuration update in administration authentication section Frontend
ZBX-14974	Fixed memory leak in case duplication name of the vmware performance counters Proxy Server
ZBX-14934	Made widget specific javascript files to be loaded with jsLoader Frontend
ZBX-15094	Fixed the potential crash during vmware update Proxy Server
ZBX-14966	Removed the notes about sqlite from zabbix_server.conf Installation
ZBX-14875	Fixed discovery and auto registration escalations being kept for one hour instead of deleted immediately Server
ZBX-14422	Fixed SQL queries being logged when accessing API, even if debug mode is disabled API Frontend
ZBX-14905	Fixed error reporting for XML import of hosts and templates Frontend
ZBX-14945	Fixed action popup being unclosable after widget refresh, fixed debug element being hidden on widget refresh Frontend
ZBX-14806	Changed focus style for radio buttons Frontend
ZBX-15027	Fixed startup failures due to orphaned or zombie processes remaining when zabbix daemon is terminated during startup Agent Proxy Server

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Installation and Upgrade Notes

Installation

See Zabbix documentation for full details.

Upgrade

See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 4.0.2.

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 Contact sales for pricing and more details.

• Zabbix Enterprise Support
• Zabbix Training
• Zabbix Development services

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References

Zabbix 4.0 Manual