Release Notes for Zabbix 5.0.27rc1

Zabbix Team is pleased to announce the availability of Zabbix 5.0.27rc1.

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 5.0.27rc1. Download it from download.

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-7520 Added template for OPNsense

Bug Fixes

ZBX-21328 Fixed Zabbix agent 2 log and eventlog items behavior to match Zabbix agent when key has been updated
ZBX-21234 Fixed net.dns to return 0 when server is unreachable in Zabbix agent 2
ZBX-21445 Improved performance by only calling res_init() on changed resolv.conf if glibc lower than 2.26 is used
ZBX-21385 Fixed setting of character set for MySQL and MariaDB when utf8mb3 is missing while utf8 is present
ZBX-20975 Fixed PHP TypeError in inaccessible dashboard view
ZBX-19769 Fixed performance when Host API is filtering records by severity or suppressed problems
ZBX-19176 Fixed multiple performance issues in map navigation tree widget and map
ZBX-21295 Changed system.cpu.load[percpu] to split based on online CPUs in Zabbix agent 2
ZBX-18573 Improved performance of directory scanning by Zabbix agent on Windows
ZBX-21138 Blocked housekeeper history/trends record creation on item removal when history/trends housekeeping is disabled
ZBX-20901 Changed host macro in MySQL by Zabbix agent template to use TCP/IP connection method explicitly
ZBX-21344 Changed JS preprocessing in Apache by HTTP/Zabbix agent templates to use ServerActive field from status page primarily
ZBX-21220 Changed uptime item description, removed uptime trigger in Zookeeper by HTTP template
ZBX-20992 Fixed typos and duplications in templates
ZBX-20419 Fixed database deadlocks and MySQL error number calculation to be consistent between logging and recoverability detection logic
ZBX-20656 Updated active proxy throttling to allow task transfer
ZBX-21153 Fixed info collection about access to VMware DS for HV with large number of connected DS
ZBX-4646 Fixed month abbreviation with capital "M"
ZBX-21333 Fixed housekeeper table usage with disabled housekeeping

Installation and Upgrade Notes

Installation

See Zabbix documentation for full details.

Upgrade

Recompile Zabbix binaries and update front-end PHP files. 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 5.0 Manual

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