Release Notes for Zabbix 5.0.2rc1

6 July 2020

Zabbix Team is pleased to announce the availability of Zabbix 5.0.2rc1.

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 5.0.2rc1. 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-6044	Added native support in agent2 for https key for net.tcp.service/.perf Agent
ZBXNEXT-6034	Added native support of key 'ldap' for item 'net.tcp.service/.perf' to Agent2 Agent
ZBXNEXT-5939	Added native support of item 'vfs.file.exists' to Agent2 Agent
ZBXNEXT-6007	Improved Zabbix server performance when evaluating action conditions for network discovery results from Zabbix proxy Server
ZBXNEXT-3205	Added regex context matching support to user macros API Frontend Proxy Server
ZBXNEXT-5966	Updated SNMP templates for version 5.0 Templates
ZBXNEXT-5847	Added logging of global script executions into audit log API Frontend Server
ZBXNEXT-3588	Improved Zabbix server performance when evaluating trigger, discovery, autoregistration and internal actions Server
ZBXNEXT-1867	Added file type include and exclude parameters to item 'vfs.file.exist' Agent
ZBXNEXT-5955	Added support of custom fields and custom buttons in message card Templates
ZBXNEXT-5921	Added IIS template Templates
ZBXNEXT-5895	Added Template DB MSSQL by ODBC Templates
ZBXNEXT-3209, ZBXNEXT-5932	Added support of user related macros {USER.ALIAS}, {USER.FULLNAME}, {USER.NAME} and {USER.SURNAME} for global scripts Frontend Server
ZBXNEXT-5905	Added "Template App Etcd by HTTP" Templates

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Bug Fixes

ZBX-17989	Fixed server version for pgsql.replication.status Templates
ZBX-18057	Fixed security vulnerability CVE-2020-15803 (Stored XSS attack on URL widget) Frontend
ZBX-17931	Fixed dependent discovery rule deletion when deleting master item API
ZBX-17624	Fixed misleading error message in case of not available datastorage for vmware.hv.datastore.read and vmware.hv.datastore.write metrics Proxy Server
ZBX-17715	Fixed filtering and sorting of the Latest Data API Frontend
ZBX-17802	Fixed runtime errors in trigger list Frontend
ZBX-17922	Removed mtime check when matching files on disk with the cached list, this should reduce chances of log files being scanned again after system time changes Agent
ZBX-17860	Fixed host prototype import API Frontend
ZBX-17920	Fixed browser error when user tries to access properties without permissions Frontend
ZBX-17252	Fixed building of Zabbix daemons with link time optimization Proxy Server
ZBX-17693	Fixed headers and query fields in HTTP item test form; thanks to Mikhail Okhotin for the patch Frontend
ZBX-17837	Fixed memory leaks when handling CurlHttpRequest errors Proxy Server
ZBX-17878	Fixed low-level discovery rule override operation object label not selecting the related field when clicked on Frontend
ZBX-17663	Fixed user not being redirected back to an URL he was coming from before signing in using SAML SSO Frontend
ZBX-17900	Fixed the template description - the config file naming is in lowercase Templates
ZBX-17905	Changed type of physical disk performance items from wmi to perf_counter_en and perf_instance_en in Template Module Windows physical disks by Zabbix agent Templates
ZBXCTR-9	Removed username and password from 1st level configuration parameters and change connection; removed unused tests and handler Agent
ZBX-17811	Fixed runtime error messages on database connection error Frontend
ZBX-17721	Fixed message on updating module Frontend
ZBX-17809	Fixed dashboard save button becomes disabled after widget paste Frontend
ZBX-17804	Fixed preservation of "No refresh" interval for new widget copy Frontend
ZBX-17781	Fixed runtime error in maintenance period popup window Frontend
ZBX-17720	Exclude disabled items from preprocessing configuration sync Proxy Server
ZBX-16940	Added "Number of cores" item and changed trigger for "CPU queue length" item Templates
ZBX-17851	Fixed possible deadlocks when deleting escalations Server
ZBX-16945	Changed type of items "Free swap space" to calculated, "Free swap space in %" to dependent, added item "Used swap space in %" Templates
ZBX-17853	Fixed graph filter to be reset when linked from graph screen and host inventory page Frontend
ZBX-17673	Removed redundant shared memory destruction Agent
ZBX-17735	Made changes in System information widget to show number of templates on a separate line and number of hosts show only enabled and disabled hosts Frontend
ZBX-17406	Fixed null value for a field of CompositeData in JMX discovery Java gateway
ZBX-17823	Fixed displaying zero for history values less than one millisecond Frontend
ZBXNEXT-5763	Fixed resolving of macros in the item test form for formulas of the calculated items Frontend
ZBX-17245	Fixed agent2 not logging to system log code Agent
ZBX-17759	Aliased EnableRemoteCommands to Allow/DenyKey=system.run[*], added default DenyKey=system.run[*] rule for backwards compatibility Agent
ZBX-17891	Changed log, log.count monitoring to ignore file modification time Agent
ZBX-17697	Fixed strict DFSG compliance issue in using minified jQuery sources Frontend
ZBX-17729	Fixed user is always redirected back to login form when using SAML SSO if guest mode is enabled Frontend
ZBX-16461	Fixed recovery expression for "link down" trigger Templates
ZBX-17480	Fixed context of {$TEMP_CRIT} macro in Temperature trigger prototype Templates
ZBX-17702	Fixed escalation cancellation message not being sent when action is disabled Server
ZBX-17751	Fixed host group multiselect in popups remembering selected groups when it should not Frontend
ZBX-17816	Fixed wrong query fields when linking template with host prototype Server
ZBX-17741	Changed setup description for Template DB MySQL by Zabbix agent 2 Templates
ZBX-17644	Fixed host address field not being editable and macros not showing for username and password fields in item test popup form for SSH and TELNET item types Frontend
ZBX-14539	Added validation of the calculated item formula in item.create, item.update, itemprototype.create and itemprototype.update methods API Frontend
ZBX-17776	Fixed typo in "Recovery time" field for Discord and MS Teams media Templates
ZBX-17374	Fixed radio button state if mass update fails Frontend
ZBX-17744	Changed width of graphs in screens from 750x100 to 500x100 Templates
ZBXNEXT-3035	Removed identical HTML IDs in low-level discovery form, fixed Type of Calculation field not hiding in override popup, fixed incorrect field order during override create in API causing SQL errors, fixed validation of delay, history and trends fields in override popup API Frontend
ZBX-17790	Fixed preprocessing of mysql.created_tmp_files, mysql.created_tmp_disk_tables, mysql.created_tmp_tables, mysql.threads_created items in Template DB MySQL, added triggers Templates
ZBX-17792	Fixed zabbix sending invalid delete elastic search scroll request Server
ZBX-17141	Fixed discovery of block devices by using vfs.dev.discovery key instead of reading /proc/diskstats Templates
ZBX-17654	Fixed "Memory utilization" item in template_os_linux and template_os_linux_active by splitting it into master and depended relation Templates
ZBX-17780	Fixed memory leak Agent
ZBX-17694	Fixed high memory consumption when using dependent items Proxy Server
ZBX-17577	Fixed remove of selected items in multiselect Frontend
ZBX-17561	Fixed inherited macro becoming editable after remove Frontend
ZBX-17226	Fixed confusing error message being displayed if dbversion table cannot be found Frontend
ZBX-17737	Fixed value mappings not working for text based simple macros Server
ZBX-17625	Fixed javascript message box formatting Frontend
ZBX-17599	Fixed "ServerVersion" metric for older versions of Apache Templates
ZBX-17771	Fixed Zabbix event url in mattermost Templates
ZBX-17801	Shadow global auto_increment MySQL variables only for proxy Proxy Server
ZBXCTR-7	Fixed typo in method usage for Telegram media type Templates

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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 5.0.2.

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

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References

Zabbix 5.0 Manual