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 it from download.

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
ZBXNEXT-4841	Removed hardcoded locations for iconv.h and pthread.h; thanks to Helmut Grohne for the patch
ZBXNEXT-3047	Fixed compilation errors on Windows platform with static OpenSSL libraries
ZBXNEXT-4836	Added license information and OpenSSL linking exception to README file, show crypto library version when started with '-V'

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Bug Fixes

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

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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