Release Notes for Zabbix 4.0.4rc2

28 January 2019

Zabbix Team is pleased to announce the availability of Zabbix 4.0.4rc2.

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 4.0.4rc2. 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-4872	Reworked SVG graph x-axis timeline Frontend
ZBXNEXT-4873	Implemented single dot datasets to be drawn as points in line vector graphs Frontend
ZBX-14876	Added a new optional parameter <regex_excl_dir> to items vfs.dir.size[] and vfs.dir.count[] Agent

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Bug Fixes

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

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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 4.0.4.

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