Release Notes for Zabbix 4.2.5rc1

22 July 2019

Zabbix Team is pleased to announce the availability of Zabbix 4.2.5rc1.

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 4.2.5rc1. 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-4502	Added support of full JsonPath functionality
ZBXNEXT-5176, ZBXNEXT-5205	Blocked zero item history/trends period being overridden by global configuration

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Bug Fixes

ZBX-16308	Fixed proxy-server configuration synchronization when using dependent items
ZBX-16365	Fixed "Something impossible has just happened." error in case item type is set to log type but log is not monitored
ZBX-16344	Fixed possibility to add graph widget overrides
ZBX-16388	Fixed LLD to update preprocessing step number in case it is incorrectly generated
ZBX-15954	Fixed functional macros resolving in maps
ZBX-16337	Fixed debug log message for suppressed escalations; thanks to Kotaro Miyashita for the patch
ZBX-16287	Fixed compiler warnings in host.c; thanks to Glebs Ivanovskis for the patch
ZBX-16103	Reduced PCRE recursion limit
ZBX-16289	Fixed async dashboard widget update
ZBX-13266	Improved performance of the SQL queries with lot of IDs in the condition
ZBX-16277	Fixed compilation Zabbix agent for Windows with options available for Windows Vista and newer
ZBX-16239	Fixed compilation warining related to prototypes of module API functions
ZBX-16207	Fixed compilation warining related to possible use of uninitialised variable; thanks to Glebs Ivanovskis for the patch
ZBX-16256	Eliminated possible infinite fetch loop with OracleDB
ZBX-15343	Fixed JS memory leak in hintboxes in graph widget
ZBX-16329	Fixed duplicate value checking in trigger action conditions
ZBX-15562	Reworked history.get API method; fixed output as well as other known issues in history API
ZBX-15976	Fixed groups filter being reset after check now request in items
ZBX-16135	Fixed error messages in XML export files
ZBX-16213	Fixed PostgreSQL bad performance on history tables
ZBX-16176	Preserve trailing spaces in history values
ZBX-16169	Improved performance of map navigation tree widget
ZBX-16288	Fixed when unknown resource logged in audit log when working with dashboards
ZBX-16134	Fixed duplicate triggers can be created using API and XML import
ZBX-15969	Fixed displaying of very small values that are more than 2 decimal points in latest data
ZBX-16280	Fixed when Plain Text Widgets do not display as HTML when option is selected
ZBX-16012	Fixed confusing error message "Cannot read JSON." in HTTP agent item
ZBX-16263	Fixed preprocessing step history is not reset when "on fail" "set value" action triggers
ZBX-16270	Fixed memory leak in IPC service when queueing multiple messages to client
ZBX-15962	Added mounted filesystems to vfs.fs.discovery of windows agent
ZBX-16204	Fixed undefined offset in CControllerWidgetProblemHostsView
ZBX-16153	Fixed 500 Internal Server Error when trying to preview pie/exploded graph without items
ZBX-16315	Fixed Zabbix server not to cause foreign key constraint failure on Zabbix proxy when changing and sending configuration at the same time
ZBX-9867	Improved Zabbix daemon termination by not using signal unsafe functions in signal handler; improved Zabbix server and Zabbix proxy process termination by stopping data collection and waiting for history syncers to finish

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Installation and Upgrade Notes

Installation

See Zabbixマニュアル for full details.

アップグレードサービス

See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 4.2.5.

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 営業への問い合わせ for pricing and more details.

• Zabbix Enterprise Support
• Zabbix トレーニング
• Zabbix Development Services

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References

Zabbix 4.2 Manual