Release Notes for Zabbix 5.4.1rc1

31 May 2021

Zabbix Team is pleased to announce the availability of Zabbix 5.4.1rc1.

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 5.4.1rc1. 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-6643	Added templates HPE ProLiant DL360 SNMP, HPE ProLiant DL380 SNMP, HPE ProLiant BL460 SNMP, HPE ProLiant BL920 SNMP Templates
ZBXNEXT-6626	Updated Zabbix Server according to the latest template guidelines Templates
ZBXNEXT-6595	Added Nginx Plus template Templates
ZBXNEXT-6587	Added template for Cisco UCS Manager Templates
ZBXNEXT-6662	Increased field size to 2000 characters in web scenario variables and web scenario step variables and post fields Frontend
ZBXNEXT-6590	Added templates ZYXEL ISP switches and DSLAM Templates
ZBXNEXT-6657	Implemented DB version support check in System Information widget Frontend

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Bug Fixes

ZBX-19487	Fixed PHP runtime errors in the Monitoring->Problems view Frontend
ZBX-18891	Fixed "Cancel" button disappearing on last setup step Frontend
ZBX-19462	Fixed VMWare template Templates
ZBX-19468	Fixed escaped symbols in screen name during conversion to dashboard Installation Server
ZBX-19358	Fixed memory leak in case of duplicate vmware hv uuid Proxy Server
ZBX-19446	Fixed item prototype massupdate form Frontend
ZBX-19114	Fixed slow detection of vmware hv multipath values for medium and huge vc instances Proxy Server
ZBX-19452	Fixed colspan or rowspan equal to 0 during screen to dashboard conversion Installation Server
ZBX-19299	Added more precise epsilon for float64 Proxy Server
ZBX-19208	Fixed imprecise logfile timestamps in Agent2 on Windows Agent
ZBX-19248	Fixed retrieving of all data from separate database tables inside of API methods when empty value for filter is passed API
ZBX-19320	Fixed SAML advanced configuration ignores "baseurl" option; added custom option "use_proxy_headers" Frontend
ZBX-19300	Updated jquery version Frontend
ZBX-19017	Fixed massupdate popup form of discovered hosts with enabled inventory mode Frontend
ZBX-19344	Changed regular expression for trunk active channels counting in template Asterisk by HTTP Templates
ZBX-19340	Optimized history cache to reduce storage of metadata-only records Server
ZBX-19065	Fixed Zabbix agent 2 logging if the file is moved or removed Agent
ZBX-19373	Fixed security vulnerability for links having target="_blank" Frontend
ZBX-19354	Fixed typo and added override for MongoDB templates Templates
ZBX-18524	Improved preprocessing diagnostic information to include oldest values in queue and totals to include done, queued, processing and pending Proxy Server
ZBX-8999	Fixed exporting of images separately from other objects API
ZBX-19360	Fixed conversion of trigger expressions, as well as calculated and aggregated items Frontend
ZBX-19139	Fixed memory errors in cmdline parsing on freebsd Agent
ZBX-19291	Fixed memory error when linking host prototypes Server
ZBX-19348	Use MNT_NOWAIT for VFS_FS_DISCOVERY on BSDs Agent
ZBX-19334	Removed redundant ListenIP parameter in server's configuration file Installation
ZBX-19420	Fixed crash when comparing two out of range floating values in string format Server
ZBX-19359	Fixed error in logsource function due to empty source Proxy Server
ZBX-19105	Fixed value mappings with duplicate names after update of existing value mapping Frontend
ZBX-19313	Improved performance by removing redundant lastclock update in configuration cache Proxy Server
ZBX-19307	Improved performance of history syncers by reducing time spent in locks when syncing history and receiving new history from proxy 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 5.4.1.

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 5.4 Manual