Release Notes for Zabbix 5.0.13rc1

Zabbix Team is pleased to announce the availability of Zabbix 5.0.13rc1.

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 5.0.13rc1. Download here.

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-6671 Added templates DELL PowerEdge R720 SNMP, R720 by HTTP, R740 SNMP, R740 by HTTP, R820 SNMP, R820 by HTTP, R840 SNMP, R840 by HTTP Templates
ZBXNEXT-6596 Added native linux proc.num support plugin to Zabbix agent 2 Agent
ZBXNEXT-6582 Increased "Attempts" to 100 and "Attempt interval" to 1h in media types API
ZBXNEXT-6643 Added templates HPE ProLiant DL360 SNMP, HPE ProLiant DL380 SNMP, HPE ProLiant BL460 SNMP, HPE ProLiant BL920 SNMP Templates
ZBXNEXT-6595 Added Nginx Plus template Templates
ZBXNEXT-6587 Added template for Cisco UCS Manager Templates
ZBXNEXT-6626 Updated Zabbix Server according to the latest template guidelines 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

Bug Fixes

ZBX-19431 Changed defaults of widgets in "Zabbix server health" dashboard to show problems for selected items only Installation
ZBX-19362 Removed the multiplier of "Cache swap current size" item in Template App Squid Templates
ZBX-19200 Fixed host, template, item, trigger and graph APIs returning unnecessary fields API
ZBX-19349 Fixed parameters of some keys in "Template DB PostgreSQL agent 2" Templates
ZBX-19219 Added Cisco image usage policy note and fixed directory structure for Cisco templates Templates
ZBX-18695 Fixed file_put_contents() runtime error if web server has no write permissions for zabbix.conf.php Frontend
ZBX-19424 Fixed trigger handling failing if host name looks like a number API
ZBX-18265 Changed "Monitoring > Hosts > Latest data" to show Items without data by default Frontend
ZBX-19318 Added sorting by itemids for trends flush to avoid deadlock Proxy Server
ZBX-19203 Fixed filter values to be unset when switching between pages and resetting filter in latest data history screen Frontend
ZBX-18879 Fixed update vmware info about vCenter fullname and version Proxy Server
ZBX-18914 Fixed timeout issue with vfs.fs plugin for Zabbix agent 2 Agent
ZBX-19123 Fixed sorting by name or status on action page Frontend
ZBX-18941 Improved error messages on "Execute now" by adding item and host names API
ZBX-19447 Implemented item type validation by API API
ZBX-18863 Fixed error when overviews skipped entries with numeric host/item/trigger names Frontend
ZBX-19388 Fixed inherited graph and graph prototype update if user has no permissions to child host or template API
ZBX-18699 Fixed selected value appearance in popup host group filter Frontend
ZBX-19084 Fixed removal of inherited tags in "Tags" tab Frontend
ZBX-18788 Fixed webhook parameters not being reset on media type change API
ZBX-19358 Fixed memory leak in case of duplicate vmware hv uuid Proxy 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-19017 Fixed massupdate form of discovered hosts with enabled inventory mode Frontend
ZBX-19300 Updated jquery version Frontend
ZBX-19344 Changed regular expression for trunk active channels counting in template Asterisk by HTTP Templates
ZBX-19139 Fixed memory errors in cmdline parsing on freebsd Agent
ZBX-19359 Fixed error in logsource function due to empty source Proxy Server
ZBX-19340 Optimized history cache to reduce storage of metadata-only records Server
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

Installation and Upgrade Notes


See Zabbix documentation for full details.


See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 5.0.13.

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.


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