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Release Notes for Zabbix 4.0.4rc1

Zabbix Team is pleased to announce the availability of Zabbix 4.0.4rc1.

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 4.0.4rc1. Download it from downloads.

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-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[]

Bug Fixes

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

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.

References

Zabbix 4.0 Manual

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