Release Notes for Zabbix 4.0.22rc1

Zabbix Team is pleased to announce the availability of Zabbix 4.0.22rc1.

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 4.0.22rc1. Download it from downloads.

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.


ZBXNEXT-3588 Improved Zabbix server performance when evaluating trigger, discovery, autoregistration and internal actions

Bug Fixes

ZBX-17720 Exclude disabled items from preprocessing configuration sync
ZBX-17851 Fixed possible deadlocks when deleting escalations
ZBX-17406 Fixed null value for a field of compositedata in jmx discovery
ZBX-17891 Changed log, log.count monitoring to ignore file modification time
ZBX-17697 Fixed strict dfsg compliance issue in using minified jquery sources
ZBX-16461 Fixed recovery expression for "link down" trigger and updated for following zabbix template guidelines
ZBX-17702 Fixed escalation cancellation message not being sent when action is disabled
ZBX-17480 Fixed context of {$temp_crit} macro in temperature trigger prototype
ZBX-17694 Fixed high memory consumption when using dependent items
ZBX-17780 Fixed memory leak
ZBX-17577 Fixed remove of selected items in multiselect
ZBX-17226 Fixed confusing error message being displayed if dbversion table cannot be found
ZBX-17801 Shadow global auto_increment mysql variables only for proxy

Installation and Upgrade Notes

Installation

SeeZabbix 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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