Release Notes for Zabbix 4.0.21

25 May 2020

Zabbix Team is pleased to announce the availability of Zabbix 4.0.21.

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 4.0.21. Download here.

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-5922

Increased max configuration cache size limit to 64GB Proxy Server

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Bug Fixes

ZBX-17662	Fixed a failing query when updating existing host prototypes Server
ZBX-15484	Shadow global auto_increment variables for MySQL Proxy Server
ZBX-17607	Fixed unreachable poller being too busy due to SNMP checks being attempted twice at a time Proxy Server
ZBX-17629	Fixed markup in User Media popup Frontend
ZBX-17109	Fixed agent request parameter type parsing Server
ZBX-17470	Fixed element of filters is not focused on several pages Frontend
ZBX-17691	Fixed server crashes on regexp preprocessing Server
ZBX-17445	Fixed misleading error shown when formula cannot be updated during LLD Server
ZBX-17186	Fixed context-aware LLD macro expansion in JsonPath preprocessing Server

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Installation and Upgrade Notes

Installation

See Zabbix documentation for full details.

Upgrade

See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 4.0.21.

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.

• Zabbix Enterprise Support
• Zabbix Training
• Zabbix Development services

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References

Zabbix 4.0 Manual