Release Notes for Zabbix 5.0.31rc2

Zabbix Team is pleased to announce the availability of Zabbix 5.0.31rc2.

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

This document contains the release notes for Zabbix 5.0.31rc2. 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-7962 Fixed the discovery rules for interfaces in OPNsense and PFSense templates
ZBXNEXT-6119 Added an option to retrieve all JSON data from the container info key in Zabbix agent 2 docker plugin
ZBXNEXT-8058 Reduced locking between the history syncers, trappers and proxy pollers

Bug Fixes

ZBX-20110 Added single field search option to oracle, ts.stats,, and diskgroups.stats keys for Zabbix agent 2
ZBX-21227 Improved error logging during the agent start for Windows service
ZBX-21538 Fixed the `history.get` API method blocking `drop_chunks` requests during housekeeping
ZBX-21956 Fixed the severity sign overlapping a trigger name in the map element configuration
ZBX-22215 Fixed incorrectly quoted parsing of the function parameter
ZBX-21936 Fixed actions not being displayed in an *Action log* widget
ZBX-21254 Removed `kernel.maxproc` from the processes graph in Linux by Zabbix agent templates
ZBX-21754 Improved value cache warmup when retrieving the two last values with one day update interval
ZBX-21862 Updated tablespaces query for the Oracle plugin in Zabbix agent 2
ZBX-21665 Fixed an infinite loop of the SMART plugin for Zabbix agent 2
ZBX-19138 Fixed the configuration of Redis plugin in Zabbix agent 2 configuration files
ZBX-21563 Changed the order in which the escalation steps and recovery operations are executed
ZBX-21783 Fixed Zabbix JS timeout validation
ZBX-22126 Fixed trends being deleted from cache and retrieved from a database when data is older than one hour after receiving
ZBX-17419 Optimized API queries when searching by names in the hosts and items tables
ZBX-21540 Moved some static items under LLD rules to improve the performance in Oracle by Zabbix agent 2 template
ZBX-22071 Extended the description for an OPSGenie media type
ZBX-20845 Fixed the availability of an SNMP interface in the case of wrong credentials
ZBX-21441 Added the overriding to skip metadata collection on ZFS and BTRFS for Nix templates
ZBX-21927 Fixed crash on the Oracle database when connection is lost
ZBX-21696 Fixed Windows agent 2 unicode path support for log* items
ZBX-21903 Fixed the agent 2 timeout behavior for the `net.tcp.port` item
ZBX-21039 Fixed README for PostgreSQL by Zabbix agent 2 template
ZBX-21806 Fixed fatal PHP error in case incorrect variable type for controller action is given
ZBX-21799 Fixed an undefined offset error during the host import process
ZBX-21206 Reverted the PostgreSQL connection to be per database for Zabbix agent 2 PostgreSQL plugin
ZBX-20397 Fixed the alignment of a draggable object
ZBX-20356 Fixed Zabbix agent 2 to remove and re-add the performance counters on failed collection and to keep query always open
ZBX-21296 Updated the Oracle plugin and Oracle agent 2 template documentation grant select variables and added new grant
ZBX-21884 Changed `system.sw.packages[<package>,<manager>,<format>]` to `system.sw.packages[<regexp>,<manager>,<format>]`

Installation and Upgrade Notes


See Zabbix指导手册。 for full details.


See 升级指南 for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 5.0.31.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free 升级服务 for easy migration from earlier versions of Zabbix. Please 联系我们 for pricing and more details.


Zabbix 5.0 Manual