Release Notes for Zabbix 5.2.6rc1

22 March 2021

Zabbix Team is pleased to announce the availability of Zabbix 5.2.6rc1.

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 5.2.6rc1. Download it from 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-6503	Added protection of Zabbix Server from overloading by proxy data Proxy Server
ZBXNEXT-6528, ZBXNEXT-6565	Improved performance of host.create and template.create methods; improved performance of templates linking process; optimized DB::insert() method to send bulk SQL inserts API
ZBXNEXT-6408	Added mongoDB plugin Agent
ZBXNEXT-5869	Added templates "MongoDB node by Zabbix Agent 2" and "MongoDB cluster by Zabbix Agent 2" Templates
ZBXNEXT-6507	Added Template Power APC UPS by SNMP Templates
ZBXNEXT-6462	Added Cisco Catalyst 3750 templates Templates
ZBXNEXT-6450	Added template NetApp AFF A700 by HTTP Templates
ZBXNEXT-6522	Added Brevis.one media Templates
ZBXNEXT-5924	Added Template Module SMART by Zabbix agent 2 Templates
ZBXNEXT-6489	Added template for Huawei OceanStor 5300 V5 Templates
ZBXNEXT-6302	Added new metrics to VMWare template Templates
ZBXNEXT-6433	Added template "Microsoft SharePoint by HTTP" Templates
ZBXNEXT-6442	Added ExportType server parameter for better configurability of real-time export Server

---

Bug Fixes

ZBX-19149	Updated logback-core, logback-classic and slf4j-api jars to the latest stable versions: 1.2.3, 1.2.3 and 1.7.30 Java gateway
ZBX-19150	Added csrf check Frontend
ZBX-12867	Reworked problem event popup of problems widget to load data only on mouse hover and click Frontend
ZBX-17000	Changed translation of 'last' for week of month in japanese Frontend
ZBX-19117	Fixed host deletion, template deletion and maintenance update was not shown in audit log report when it was made via API request API
ZBX-18595	Fixed wrong filtering for nested groups in monitoring problems page Frontend
ZBX-19103	Fixed device sorting in Zabbix agent 2 smartctl plugin Agent
ZBX-18998	Rewrote API main object validation API Frontend
ZBX-19111	Improved performance of checking circular and double linkages of templates API
ZBX-18918	Updated deprecated items in "RabbitMQ" template Templates
ZBX-18894	Fixed session_key update for dynamic configid Frontend
ZBX-18634	Changed macro names according to the Guidelines, fixed context macros in Temperature Discovery triggers, added preprocessing into Fan Discovery and Temperature Discovery Templates
ZBX-18620	Added {#REPLICA_NAME} macro in items of Non-local database discovery Templates
ZBX-19046	Fixed agent build on solaris 10 Agent Proxy Server
ZBX-17772	Updated readme, described how to get Project ID Templates
ZBX-19023	Fixed inheritance of the permissions and tag filters for new host groups API
ZBX-19071	Fixed server crash after "Check for not supported value" preprocessing step Server
ZBX-18051	Fixed typos extra space after "(" Templates
ZBX-10370	Allowed Java Gateway to use ssl with remote registry Java gateway
ZBX-19031	Fixed build failure on HP-UX and AIX Agent
ZBX-17471, ZBX-18854	Added TSDB 2.0, fixed TSDB housekeeping with 0 history period Server
ZBX-18803	Fixed test item form ignoring empty status code input Frontend

---

Installation and Upgrade Notes

Installation

See Zabbixマニュアル for full details.

アップグレードサービス

See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 5.2.6.

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 Enterprise Support
• Zabbix トレーニング
• Zabbix Development Services

---

References

Zabbix 5.2 Manual