Release Notes for Zabbix 4.0.14rc1

Zabbix Team is pleased to announce the availability of Zabbix 4.0.14rc1.

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 4.0.14rc1. 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-5481 Added support of {TRIGGER.ID} macro in trigger tags Server
ZBXNEXT-4746 Added "Template Server Cisco UCS SNMPv2" template Templates
ZBXNEXT-5422 Quoted numbers are now accepted by JSONPath aggregate functions Proxy Server

Bug Fixes

ZBX-16605 Fixed accessibility of localstorage identifier if cookies are made unaccessible for client side scripts Frontend
ZBX-16754 Fixed trigger not firing for first collected value if it's timestamp is in future Server
ZBX-15211 Added key 'tests' for when working with cmocka tests Installation
ZBX-16542 Fixed incorrect displaying of unacknowledged and resolved recent problematic triggers in trigger overview and dashboard widget Frontend
ZBX-16749 Improved performance and memory consumption of script.getscriptsbyhosts() method API
ZBX-16725 Fixed detection of fping minimal interval Server
ZBX-16562 Fixed configuration.export method in API improperly formatting "application" property within "httptests" when exporting in JSON format API
ZBX-15222 Fixed housekeeper to cleanup history not only for current item type of information but also for other previously selected types Server
ZBX-16481 Fixed spelling issues in the code
ZBX-15675 Added support for more than 64 CPUs in Windows agent Agent
ZBX-16770 Fixed value mapping in Template Net HP Comware HH3C SNMP Templates
ZBX-16534 Fixed stdout and stderr redirection after external log rotation Agent Proxy Server
ZBX-16368 Fixed fping double call Proxy Server
ZBX-16317 Fixed log.h is not self-sufficient Agent Proxy Server
ZBX-16711 Ensuring errbuf is emptied before every curl_easy_perform request Server
ZBX-16664 Fixed IPMI poller skips processing if one of the elements is missing information Proxy Server
ZBX-16671 Fixed server crashing when linking web scenario template Server
ZBX-16750 Fixed broken validation of peer certificate issuer and subject strings in TLS connect, fixed logging Agent Proxy Server
ZBX-16002 Added new macro EVENT.RECOVERY.NAME to display recovery event name in recovery alerts Server
ZBX-16512 Fixed false item insertion into the queue after maintenance Agent Proxy
ZBX-15685 Fixed zabbix_sender failing to report the error due to closed connection Agent
ZBX-16702 Fixed error in the elastic search clearing history API
ZBX-10805 Fixed log items graphs drawing with numeric values like trapper items Frontend
ZBX-16604 Fixed occurrence of an undefined index in discovered graph configuration API
ZBX-16611 Fixed memory and performance leaks in gtlc.js library Frontend
ZBX-15135 Fixed incorrect triggers being displayed in Availability report when filtering by template Frontend
ZBX-16681 Fixed displaying of "Acknowledge" menu option for "Not classified" problems in the Trigger overview page Frontend
ZBX-16428 Fixed SIGBUS crash when mmap memory is not accessible Agent
ZBX-16680 Fixed freeing locked resources when Zabbix agent cannot be started and has to exit with failure Agent
ZBX-16666 Fixed trailing slash being set in cookie path Frontend
ZBX-16612 Fixed possibility of high CPU usage on Windows Agent
ZBX-16683 Fixed race condition between history syncer and escalator that caused recovery operations being delayed by step duration Server
ZBX-16383 Adjusted timer sleeping period to process maintenances each minute at 00 seconds Server
ZBX-16575 Getting disk controller type from linked controller label value Proxy Server
ZBX-16561 Fixed JsonPath parsing for comma characters inside quoted string Proxy Server
ZBX-16677 Fixed empty sql query DBexecute_overflowed_sql call during host availability update Server
ZBX-15897 Fixed overall health check in Template HP iLO SNMPv2 Templates

Installation and Upgrade Notes


See Zabbixマニュアル for full details.


See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 4.0.14.

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 営業への問い合わせ for pricing and more details.


Zabbix 4.0 Manual