Release Notes for Zabbix 5.2.0rc2

22 October 2020

Zabbix Team is pleased to announce the availability of Zabbix 5.2.0rc2.

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 5.2.0rc2. 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-6148, ZBXNEXT-6150	Implemented user roles with more granular permissions API Frontend Server
ZBXNEXT-6270	Improved storage format of the preprocessing parameters in the XML, JSON and YAML files; converted default XML templates to YAML API
ZBXNEXT-6035	Added pre-processing rule for overriding item errors with custom value API Frontend Proxy Server
ZBXNEXT-6220	Removed "Refresh unsupported items" parameter Frontend Agent Proxy Server
ZBXNEXT-6245	Added locks section to diaginfo runtime command to log adresses of the mutexes and read write locks Documentation Proxy Server
ZBXNEXT-5969	Added support of data collection using JavaScript API Frontend Proxy Server
ZBXNEXT-6232	Added LTE monitoring to Mikrotik SNMP template Templates
ZBXNEXT-6258	Added system.swap.size metrics native support to Agent 2 Agent
ZBXNEXT-6001	Converted templated screens to dashboards API Frontend Installation Server Templates
ZBXNEXT-6140	Implemented new set of trigger functions for long term analytics API Documentation Frontend Installation Proxy Server
ZBXNEXT-710	Added support of saving defined filters on monitoring problems and monitoring hosts pages Frontend
ZBXNEXT-6232	Added LTE monitoring to Mikrotik SNMP template Templates
ZBXNEXT-2072	Added host interfaces support for host prototypes API Frontend Installation Server
ZBXNEXT-5928	Added SNMP interface variables in SNMP test item form Frontend Proxy Server
ZBXNEXT-6189	Added template "Asterisk by HTTP" Templates
ZBXNEXT-6020	Added template "Ceph by Zabbix Agent2" Templates
ZBXNEXT-5058	Added timeout to item mass update and item prototype mass update Frontend
ZBXNEXT-6180	Added Squid template Templates
ZBXNEXT-6142	Added Ceph monitoring plugin Agent
ZBXNEXT-1660	Added ability to retrieve database credentials and macro values from HashiCorp Vault API Documentation Frontend Installation Proxy Server
ZBXNEXT-2943	Added support for multiple hosts in active check mode Agent
ZBXNEXT-6167, ZBXNEXT-6168	Implemented ability to dump the history cache contents API Frontend Proxy Server
ZBXNEXT-6196	Increased storage size of fields "description", "headers", "params" and "posts" for items, item prototypes and discovery rules for Oracle backend API Installation
ZBXNEXT-3950, ZBXNEXT-6092	Added MQTT support for Zabbix agent 2 API Frontend Agent Proxy Server
ZBXNEXT-6159	Added "Template App PHP-FPM by HTTP" and "Template App PHP-FPM by Zabbix agent" Templates
ZBXNEXT-6184	Added formatting macro functions fmttime and fmtnum Server
ZBXNEXT-6157	Reworked UI for setup to simplify db encryption configuration Frontend
ZBXNEXT-6194	Simplifed maintenance form by union all tabs to one form Frontend
ZBXNEXT-6118	Added template "Template DB Oracle by Zabbix Agent 2" Templates
ZBXNEXT-6171	Added UserParameterDir config option to agent and agent2 Agent
ZBXNEXT-6090	Added modbus support for Zabbix agent 2 Agent
ZBXNEXT-6093	Added modbus support for Zabbix agent Agent
ZBXNEXT-6023	Added Windows service support for Zabbix agent 2 Agent
ZBXNEXT-6019	Added Oracle Database plugin Agent
ZBXNEXT-4647, ZBXNEXT-6096	Added support of digest authentication for HTTP Agent API Frontend Server
ZBXNEXT-4803	Added tab indicator to show clearly that a tab in Zabbix UI contains non-empty list or enabled some functionality Frontend
ZBXNEXT-6139	Added GetHeaders method to CurlHttpRequest javascript object Server
ZBXNEXT-6116	Added SysAid media type Templates
ZBXNEXT-6167	Added diaginfo runtime command to log internal diagnostic information Proxy Server
ZBXNEXT-6106	Added Host context menu to hosts listed on 'Web monitoring' page Frontend
ZBXNEXT-6065	Added SolarWinds Service Desk webhook Templates
ZBXNEXT-6117	Added media "TOPdesk" Templates
ZBXNEXT-5540	Added LLD rules for stand-alone and CAPsMAN APs Templates
ZBXCTR-10	Added iLert media type Templates
ZBXNEXT-5898	Added user macro expanding in item description Frontend Server
ZBXNEXT-6085	Added host prototype tag support API Frontend Proxy Server
ZBXNEXT-2603	Increased user macros values maximum size from 255 to 2048 Frontend Server
ZBXNEXT-5965	Added support for load balancing by change user session storage driver from file based to encrypted cookies API Frontend Proxy Server
ZBXNEXT-6073	Added item log macros support in trigger names, operational data, descriptions, event tags, event values and trigger URL Frontend Server
ZBXNEXT-82	Reworked part of parameters from definitions file to configurable parameters using frontend; added new API for settings, authentication, housekeepeing API Frontend Installation
ZBXNEXT-2156	Implemented ability to create hosts without interfaces API Frontend
ZBXNEXT-2754	Added YAML as default import/export format API Frontend
ZBXNEXT-250	Added support of global and per-user time zones for frontend, notifications and for time limit when notifications are sent API Frontend Installation Server
ZBXNEXT-3362	Added ability to set the default system language API Frontend Server

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Bug Fixes

ZBXNEXT-6148	Fixed user roles and permissions API Frontend
ZBXNEXT-5965	Fixed session id generation API Frontend
ZBX-18498	Fixed javascript error in map widget configuration for navigation tree source Frontend
ZBX-18396	Fixed undefined offset in item test form Frontend
ZBX-18415	Fixed value caching for item test dialog when opened by 'Test all steps' button Frontend
ZBX-17975	Fixed Hostname and HostnameItem for Zabbix Agent 2 test and print execution Agent
ZBX-18464	Fixed javascript Uncaught TypeError when clicking on disabled multiselect item Frontend
ZBX-18438	Fixed missing asterisk mark for "timeout" field in item, item prototype and LLD rule edit forms Frontend
ZBX-18411	Set maxQueryMetrics default values for vcenter depending on its version Server
ZBX-18443	Fixed undefined index in item prototype form when creating dependent item using wizard Frontend
ZBX-18442	Fixed empty username field and made Vault related fields be shown/hidden using javascript in frontend installation wizard Frontend
ZBX-18438	Fixed missing asterisk mark for "timeout" field in item, item prototype and LLD rule edit forms Frontend
ZBX-17178	Fixed multi-line value truncation in snmp lld Proxy Server
ZBX-18378	Fixed map context menu not opening for images with URLs Frontend
ZBX-18462	Fixed inconsistent auto-registration behaviour for hosts without metadata on Oracle DB compared to other databases when using Zabbix proxy Proxy Server
ZBX-18118	Sorted event tag macro selection Server
ZBX-18456	Fixed encryption field sent in form for non-supported encryption database Frontend
ZBX-18407	Fixed dependent items not working if it's master item is calculated and host is monitored by Zabbix proxy Proxy Server
ZBX-18364	Fixed inconsistency with autoregistration behaviour for hosts without metadata on Oracle compared to other databases Proxy Server
ZBX-18210	Fixed preprocessor crashing on Solaris due to incorrect byteorder Server
ZBX-18383	Fixed the value of the {$HAPROXY.FRONT_SUTIL.MAX.WARN} macro in Template App HAProxy by HTTP Templates
ZBX-18365	Added Fping 5.0 support to Zabbix Proxy Server
ZBX-18385	Fixed segmentation violation in oracle plugin Agent
ZBX-18193	Added logging for snmp_cache_reload Proxy Server
ZBX-18400	Fixed http(s) requests from JavaScript to use SourceIP parameter in connections Proxy Server
ZBX-17493	Added discarding of incoming values outside history/trends storage periods on server Server
ZBX-18417	Fixed unexpected tag errors while importing JSON-exported data API
ZBX-18425	Fixed browser error "updateItemTestBtn is not defined" Frontend
ZBX-17916	Removed inserting of "wait" into "system.run[]" when executing frontend scripts Proxy Server
ZBX-18386	Fixed server crash after removing snmp host interface from parent host Server
ZBX-18238	Fixed JavaScript error when "invalid URL" error is displayed Frontend
ZBX-18343	Fixed in screen "host issue" problem stay even after problem resolved Frontend
ZBX-18199	Changed the default log filename for agent2 on windows Agent
ZBX-18366	Fixed agent reporting absence of 'Processor Information' counter on old Windows systems Agent
ZBX-17877	Fixed details not displayed on SNMP interfaces within select element Frontend
ZBX-18359	Fixed long data row formatting for OracleDB Installation
ZBX-18337	Fixed potential crash due to printing NULL pointer Agent
ZBX-17993	Fixed ZabbixWeb Test Item for Admin is not working Server
ZBX-13384	Fixed minor template issues to follow guidelines Templates
ZBX-18114	Fixed documentation for Agent2 PersistentBuffer Documentation Installation
ZBX-17842	Updated VMware template to follow guidelines Templates
ZBX-17848	Fixed fping interval detection, added log prints of detected options in debug mode, re-detect options every hour Proxy Server
ZBX-18341	Removed media_jira_with_CF_example.xml and moved example with custom fields example to readme Templates
ZBX-18131	Added support of single-select, checkbox and radio button customfield types and "__zbx" tag filter for labels in Jira webhook Templates
ZBX-18065	Add help flag to Zabbix Agent 2 Agent
ZBX-17906	Fixed HTTP agent JSON output when using HTTP/2; thanks to Mike Noordermeer for the patch Proxy Server
ZBX-18167	Fixed filter block in lld overrides popup Frontend
ZBX-18174	Fixed oracle errors for host macro updates when linking templates Server
ZBX-18188	Increased age and duration related macro resolution to seconds Server
ZBX-18152	Fixed incorrect selected menu option for template screens page Frontend
ZBX-18340	Added runtime command diaginfo option to command line help messages Proxy Server
ZBX-18250	Changed link to "Web monitoring" page in context menu with filtering parameters Frontend
ZBX-18170	Fixed LLD override for applications Server
ZBX-15904	Added check of required cache size for vmware event messages Proxy Server
ZBX-18121	Fixed SSH monitoring when compiled with libssh; thanks to MATSUDA Daiki for the patch Proxy Server
ZBX-17927	Fixed Agent2 user-defined parameter key testing Agent
ZBX-18314	Fixed description of URI field in Template DB MySQL by Zabbix agent 2 Templates
ZBX-18067	Fixed using outdated dynamic host when editing dynamic widgets on dashboard Frontend
ZBX-18261	Fixed performance of the "Latest data" screen with partitioned history tables Frontend
ZBX-18230	Fixed import data normalizer to convert strings recursively and process some of the custom extended rules and validations API
ZBX-18322	Enabled Memcached and MySQL plugins for Windows Agent
ZBX-17982	Added non-trigger event types support to webhooks Templates
ZBX-18190	Removed triggers for items Log growths, Log shrinks for MSSQL ODBC template Templates
ZBX-18122	Fixed russian character in setup section and templates for Oracle ODBC and PostgreSQL agent2 Templates
ZBX-18074	Fixed unresolved macros in item names in data overview table Frontend
ZBX-18195	Changed log level increase command for Agent 2 to match Agent 1 Agent
ZBX-17984	Added support of ipv6 and unix sockets for memcached plugin Agent
ZBX-18189	Fixed crash when performing housekeeping with disabled value cache Server
ZBX-18267	Fixed {ITEM.NAME<1-9>} and {ITEM.KEY<1-9>} macro expansion when host is configured without any interfaces Server
ZBX-18181	Fixed undefined index when importing host with non-existing interface and host interfaces not being deleted if interfaces are not present in import file API
ZBX-14503	Updated JMX template to follow guidelines Templates
ZBX-18196	Added overriding of triggers for IPMI Threshold sensors discovery Templates
ZBX-18021	Changed Opsgenie media to handle extra options Tags and Teams Templates
ZBX-18050	Removed proxy name from host breadcrumbs Frontend
ZBX-18202	Added new default item keys for item type "Zabbix aggregate" Frontend
ZBX-18124	Fixed discovered host group prototype saving during import Frontend
ZBX-17692	Fixed column sizes and paddings for items in graph edit form Frontend
ZBX-17812	Fixed incorrect copying of severeties in Problem widgets Frontend
ZBX-17886	Fixed SNMP type item test form not sending and resolving interface macros Frontend
ZBX-18183	Fixed displaying negative time in convertUnitsS() function Frontend
ZBX-18103	Fixed host connection macro in Slack media type Templates
ZBX-18072	Fixed Discord API version in Discord media type Templates
ZBX-17952	Fixed compression availability not being checked when deleting history API
ZBX-17981	Fixed Discord endpoint validation Templates
ZBXNEXT-6052	Fixed "Shared" tag being displayed for users that are not the dashboard owners Frontend
ZBX-18249	Fixed Oracle ODBC Template issues Templates
ZBXNEXT-6052	Added filter and showing additional details in the list of dashboards Frontend
ZBXNEXT-6054	Moved Configuration -> Applications to MVC Frontend
ZBX-17955	Fixed "medias" parameter named inconsistency in user.create and user.update API methods API
ZBX-17548	Don't store text items with history 0 in proxy history 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 5.2.0.

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 5.2 Manual