Release Notes for Zabbix 4.0.4rc3

31 January 2019

Zabbix Team is pleased to announce the availability of Zabbix 4.0.4rc3.

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 4.0.4rc3. 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-4872	Reworked SVG graph x-axis timeline
ZBXNEXT-4873	Implemented single dot datasets to be drawn as points in line vector graphs
ZBX-14876	Added a new optional parameter <regex_excl_dir> to items vfs.dir.size[] and vfs.dir.count[]

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Bug Fixes

ZBX-15412	Fixed Name column overlaps the Application column in the Template view
ZBXNEXT-4872	Reverted SVG graph timeline changes to previous state
ZBX-15577	Fixed restricted user access to the host name when calling host_screen
ZBX-13335	Fixed low performance with linkage of items and item prototypes to a lot of hosts
ZBX-15435	Fixed "Undefined index" errors in the "Problems" widget with multiple active maintenances which part of these are inaccessible
ZBX-15417	Changed vmware collector to perform datastore configuration refresh only when directly monitoring ESXi version lower than v6.0
ZBX-14896	Fixed low performance of the SQL statement when link template to many hosts
ZBX-15220	Fixed displaying of last value for values received in the same second
ZBX-15451	Fixed event correlation when "Event tag pair" condition is used and tag contains special characters
ZBX-15460	Reset agent availability when host status changes, e.g., when host gets disabled
ZBX-15331	Updated LLD item creation/updating error messages
ZBX-15465	Removed html non-breaking space from visiblity checkbox labels
ZBX-15307	Fixed upper level maps positioning in Monitoring Map screen
ZBX-15428	Improved regular expression performance by studying compiled pattern
ZBX-11761	Added warnings in case of TLS identity mismatch
ZBX-15373	Fixed removal of trigger when deleting discovered item; fixed removal of dependent child items when removing master item
ZBX-14613	Fixed hostgroup.delete and host.delete API methods to validate maintenance constraint
ZBX-14863	Fixed authentication settings form of LDAP anonymous binding
ZBX-15374	Fixed SQL and PHP errors on chart3.php page
ZBX-15301	Fixed monotonous lag behind in Windows "system.localtime"
ZBX-15377	Fixed error messages for arrays in GET parameters
ZBX-15369	Fixed "Undefined index: label" in map.update() method
ZBX-15376	Fixed "Undefined index: refresh" on several pages with disabled guest user
ZBX-15375	Fixed web scenario step name can consist only of whitespaces
ZBX-15375	Fixed undefined index on Web scenario configuration page
ZBX-15372	Fixed SQL and PHP errors on "Slide shows" page when enter slides.php witout GET parameters
ZBX-15359	Fixed undefined index in maintenance.create and maintenance.update API calls
ZBX-15358	Fixed undefined index in configuration.import API call without one or several rules
ZBX-15355	Fixed undefined index in configuration.import API call
ZBX-14926	Fixed empty "inventory" property being returned by API if inventory mode is disabled
ZBX-15354	Fixed undefined index in API calls without "auth" parameter
ZBX-15399	Fixed IPv4 connections not being accepted when IPv6 mask is used
ZBX-14331	Fixed error allowing users to change type of a host interface that already has items attached
ZBX-15254	Fixed incorrect matching string highlight in multiselect autocomplete box
ZBX-15136	Fixed displaying 'Plain text' on the dashboard as html
ZBX-15313	Fixed unit suffix support in calculated item expressions
ZBX-15224	Fixed failed query errors when receiving non UTF-8 history values
ZBX-14592	Fixed calculation of SLA and availability report when problem has negative duration
ZBX-13804	Fixed generic popup form submission
ZBX-15156	Fixed undefined offset error in host screen with web item
ZBX-14980	Fixed problem with filter by itemids and hostids in history.get
ZBX-14624	Fixed agent collector not releasing connection to missing/removed disk devices
ZBX-15279	Fixed handling of LLD processing errors that should have resulted in not supported LLD rule state
ZBX-15241	Fixed escaping regexp symbols in preprocessing output parameter when creating item by LLD
ZBX-14604	Fixed displaying of the graph name on screens
ZBXNEXT-4588	Renamed 'display options' tab to 'displaying options'; fixed multiple layout issues, footnote in hint-box, field value handling, calculation of mouse position, multiple issues related with Y axis and problem styling
ZBX-15159	Fixed existing context menu closing when new one is opened
ZBX-15233	Renamed fuzzytime() function description in dropdown list
ZBX-12801	Excluded zabbix_sender.dll from MS Windows builds with TLS
ZBXNEXT-4883	Fixed when trigger in problem state hides all dependent triggers in history view
ZBX-15260	Improved misleading warning message when agent fails to find log file during processing logrt[] item
ZBX-15258	Fixed update interval of "Zabbix queue" item in server's template to be consistent with proxy template, added missing units in proxy template
ZBX-15225	Improved handling of timeouts in "vfs.dir.size" and "vfs.dir.count" items on Windows agent

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Installation and Upgrade Notes

Installation

See Zabbix Manual for full details.

Upgrade

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 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