Release Notes for Zabbix 7.4.2rc1

13 August 2025

Zabbix Team is pleased to announce the availability of Zabbix 7.4.2rc1.

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GNU Affero General Public License version 3 (AGPLv3), thus it is free of charge for both commercial and non-commercial use. More about Zabbix license.

This document contains the release notes for Zabbix 7.4.2rc1. 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-9028	Added by-id scan parameter to Zabbix agent 2 S.M.A.R.T. disk discovery Agent
ZBXNEXT-9687	Updated filesystem discovery low space trigger override regex in F5 Big-IP by SNMP template Templates
ZBXNEXT-10056	Updated maximum supported MariaDB version to 11.8 API Proxy Server
ZBXNEXT-9972	Added AWS Backup Vault by HTTP template Templates
ZBXNEXT-9090	Improved SNMP agent walk[] and get[] to reload credentials when corresponding SNMPv3 interface is updated Proxy Server

---

Bug Fixes

ZBX-26510	Fixed timeouts during script execution on Zabbix agent on action operation or manual action by trying passive interface if exists Proxy Server
ZBX-26649	Prohibited showing form for creating host group/template group to users without super admin role Frontend
ZBX-26775	Fixed crash on data processing from system.localtime item key Server
ZBX-24799	Fixed timeouts during active mode script execution on Zabbix agent 2 on action operation or manual action if script had no output; fixed timeout by allowing active agent to retrieve scripts in 60 seconds Proxy Server
ZBX-25388	Prevented displaying of parameter values not involved in import in the response of configuration.importcompare API method API
ZBX-25887	Returned empty JSON array instead of error if input value for "SNMP walk to JSON" item preprocessing step is empty Proxy Server
ZBX-25288	Fixed trigger in Elasticsearch Cluster by HTTP template Templates
ZBX-26539	Fixed raw html in tooltips for additional rules in services Frontend
ZBX-26743	Fixed popup overlay resizing on content change Frontend
ZBX-26220	Fixed scheduled report creation with IPv6 address in Zabbix frontend URL Tools
ZBX-26723	Fixed Zabbix Agent active remote command getting timeout applied due to incorrect parsing of JSON Agent
ZBX-24311	Fixed slow trend sync when receiving trends from present and then from past again Server
ZBX-25872	Fixed media_error overflow for S.M.A.R.T. plugin in Zabbix agent 2 Agent
ZBX-26030	Fixed the visibility of the history and trends fields on discovered items when the option is set to "Do not store" Frontend
ZBX-25420	Fixed regsub/iregsub returning output if there is no match Frontend
ZBX-26745	Fixed Zabbix agent 2 RefreshActiveChecks Agent
ZBX-25668	Removed Stamen maps from administration of geomaps Frontend
ZBX-26683	Fixed sorting of URLs in sysmaps form Frontend
ZBX-25371	Updated policy rules in Oracle Cloud by HTTP template documentation Templates
ZBX-26089	Added length validation for advanced custom labels in Network map API Frontend
ZBX-25094	Added null value checks in tablespaces queries for Oracle Zabbix agent 2 plugin Agent
ZBX-24027	Fixed broken checks and radio buttons in Network discovery configuration form Frontend
ZBX-25820	Fixed wrong calculations for items bits sending/receiving Frontend
ZBX-26730	Suppressed duplicated error in log from XML path preprocessing step and added length of XML data to error message Proxy Server
ZBX-26307	Fixed undefined array key 'secret' after user auto logout Frontend
ZBX-26159	Fixed log[] item with 'numeric' type of information unexpected changing to 'log' type Frontend
ZBX-26378	Added 4 module margin to QR code image Frontend
ZBX-26078	Fixed filtering by inherited tags with negative operators such as "Does not ..." in the Monitoring -> Hosts section API
ZBX-22374	Added missing privileges for Oracle Zabbix agent 2 plugin Agent
ZBX-26574	Changed error messages for TimescaleDB Frontend
ZBX-25708	Moved include section in *.conf files from the middle to the end Agent Proxy Server
ZBX-16925	Fixed housekeeper behavior that blocked history sync and caused deadlocks when deleting events Server
ZBX-25196	Fixed an issue with JavaScript in AWS ECS templates Templates

---

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 7.4.2.

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

---

References

Zabbix 7.4 Manual