Release Notes for Zabbix 4.0.0alpha4

Zabbix Team is pleased to announce the availability of Zabbix 4.0.0alpha4.

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 4.0.0alpha4. 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-4150 Implemented access to interactive elements using keyboard Frontend
ZBXNEXT-4149 Implemented keybord interaction in overlay popups Frontend
ZBXNEXT-4357 Added support of "selectTriggerDiscovery" option in trigger.get method API
ZBXNEXT-4152 Replaced double box select fields with multiselect fields and added filtering by proxy and server only in host list API Frontend
ZBXNEXT-4273 Added default event status colors in themes with option to customize them Frontend Installation
ZBXNEXT-4216 Added 'copytruncate' log file rotation support for logrt[], logrt.count[] Agent
ZBXNEXT-4144 Added asterisk mark and aria-label property to all forms required fields Frontend
ZBXNEXT-768 Added item unit blacklisting with character "!" in order to disable metric prefixes Frontend Server
ZBXNEXT-4295 Added selection of the create images tickbox by default on "Maps import" page Frontend
ZBXNEXT-1456 Added filter by item discovery status for item configuration view; thanks to Volker Fröhlich for the original patch Frontend
ZBXNEXT-3991 Added additional params to net.if.* key output for linux base agent Agent
ZBXNEXT-3480 Added support of inventory macros in event tags Server
ZBXNEXT-4175 Implemented ability to send email to several email addresses specified as user media API Frontend Installation Server
ZBXNEXT-4139 Added high contrast light and high contrast dark themes Frontend Installation
ZBXNEXT-4247 Removed deprecated API methods: user.updareProfile, user.addMedia, user.updateMedia, user.deleteMedia, usergroup.massAdd, usergroup.massUpdate and usermedia.get API
ZBXNEXT-970 Added more detailed error information to notification message when DB is unavailable Server
ZBXNEXT-4137 Removed green background from cells Frontend
ZBXNEXT-4157 Added map status summary to be readable by screen reader software Frontend
ZBXNEXT-4127 Implemented popup displaying in overlay dialogues Frontend
ZBXNEXT-1520 Increased the maximum Hosts/DNS name character length from 63 to 255 Agent Installation Proxy Server
ZBXNEXT-4108 Implemented search of problems by trigger name Frontend Server
ZBXNEXT-4143 Implemented keybord interaction in top navigation Frontend
ZBXNEXT-1567 Added item "vfs.dir.count" for counting directory entries Agent
ZBXNEXT-4135 Added tooltips for vertical labels Frontend
ZBXNEXT-4146 Added icons for error and success messages Frontend
ZBXNEXT-4156 Added option to view graphs items data and multiple items graph data as table Frontend
ZBXNEXT-4160 Reworked monitoring Discovery screen to show hint info right in the table cell Frontend
ZBXNEXT-761 Added rules to make dbschema.c, schema.sql and data.sql from schema.tmpl, data.tmpl and templates.tmpl if there is a need to Installation
ZBXNEXT-4186 Added ability to adjust colors for new graph items in graph creation form according selected theme Frontend Installation
ZBXNEXT-4145 Fixed appearance of host column based on number of hosts specified in filter Frontend
ZBXNEXT-4118 Implemented advanced options for tag-based search of problems API Frontend Installation
ZBXNEXT-4134 Added 'lang' attribute to page body Frontend
ZBXNEXT-4181 Fixed Zabbix server to accept active Zabbix proxy requests only from allowed address if specified API Frontend Proxy Server
ZBXNEXT-4181 Fixed passive Zabbix proxy to accept Zabbix server requests only from allowed address Proxy
ZBX-10576 Restructured unixODBC related code, moved it to a dedicated directory Installation Proxy Server
ZBX-3783 Added strict validation for proxy.delete() method; proxy cannot be deleted when used in actions API
ZBX-11909 Replaced company.com with example.com in data.sql Installation

Bug Fixes

ZBX-12754 Fixed undefined index error in map import API Frontend
ZBX-13303 Improved display of user media 'Use if severity' indicators Frontend
ZBX-13166 Fixed daily and yearly notification reports not including current day/last day of leap-year Frontend
ZBX-13118 Improved readability of emails in action log by splitting them multiline Frontend
ZBX-13498 Added optional MySQL upgrade patch for "problem" table to drop redundant index after another index that can be used to enforce the foreign key constraint has been created Proxy Server
ZBX-13430 Fixed use of uninitialized value ttl when elasticsearch is configured Server
ZBX-13452 Fixed Elasticsearch history storage default value types Server
ZBX-13248 Fixed field trapper_hosts to optional for trapper item.create API
ZBX-13307 Fixed map scaling and position to the widget left side Frontend
ZBX-12941 Fixed checkbox overlay's position over the checkbox Frontend
ZBX-13465 Fixed back button style on the sub-maps Frontend
ZBX-13334 Fixed translations of Widget parameters window Frontend
ZBX-6118 Fixed poor performance of changing an item on the template which linked with many hosts API
ZBX-13454 Fixed placeholder in Administration->Scripts form Frontend
ZBX-13403 Allowed proxy to execute remote commands on agents using encrypted connection Proxy
ZBX-13441 Fixed crashes in case of failures (e.g. timeouts) during VMware hypervisor discovery Proxy Server
ZBX-12607 Fixed performance of map.get API method and map-related views API Frontend
ZBX-11391 Generated an error if expanding LLD macros results in an empty tag name Server
ZBX-13300 Fixed addJsFile() name Frontend
ZBX-13030 Removed proxy's ability to export unprocessed history data via loadable modules Proxy
ZBXNEXT-3581 Dropped plain text protocol support and made header mandatory; fixed IP fragmentation handling by including header in Zabbix get request, Zabbix server/proxy passive check request and frontend request to Zabbix server Frontend Agent Proxy Server
ZBX-13194 Fixed incorrect processing of zabbix[wcache,value,*] internal check Server
ZBX-13060 Added limitation for meaningless server reconnection attempts to incorrectly configured passive proxy Proxy Server
ZBX-13233 Added new memory metrics for Linux platform - "active", "anon", "inactive" and "slabs"; thanks to Tomasz Kłoczko for the original patch Agent
ZBX-12643 Improved error log message in case Zabbix server database cannot be used due to empty "users" table Server
ZBX-11720 Fixed memory leak which breaks vfs.fs.size, vfs.fs.inode and vfs.dir.size items if compiled with LeakSanitizer Agent
ZBX-13131 Fixed truncated multiline text values from network discovery SNMP checks Server
ZBX-13117 Fixed vfs.dir.size with symbol links on Windows Agent
ZBX-12045 Fixed inconsistencies in configure -h output Installation
ZBX-13325 Fixed trend.get() method with Oracle backend API
ZBX-13223 Fixed graphs duplication in graph preview Frontend
ZBX-13345 Removed SID from URL in screen edit mode Frontend
ZBX-13055 Fixed problems with DNS resolver interface on NetBSD Agent
ZBX-13214 Added support of \0 matching group for regsub and iregsub methods Frontend
ZBX-13208 Eliminated race condition that caused history collection for newly created items to start before preprocecessing steps finished syncing Server
ZBX-13246 Fixed processing of command line arguments which are longer than 2KB for proc.num and proc.mem items on AIX Agent
ZBX-13130 Fixed Zabbix proxy not to generate high network traffic when server does not accept data Proxy
ZBX-13288 Fixed image ghosting for mass update of map elements Frontend
ZBX-11422 Fixed compilation warnings under OS X 64bit Agent
ZBX-13276 Fixed compatibility issue with Elasticsearch versions starting from 6.0 Frontend
ZBX-13196 Fixed setting of transaction error flag in commit operation Proxy Server
ZBX-13221 Fixed trimming of values in overlay dialogues Frontend
ZBX-13221 Added "Timeout" validation in web scenario step overlay dialogue Frontend
ZBX-12389 Fixed latest data host group filter Frontend
ZBX-13119 Removed 'empty' button in trigger selection window for map constructor item modal form Frontend
ZBX-12661 Fixed Low-level discovery of dependent items not working after being edited and resulting in undefined offset error or foreign key constraint violation Server
ZBX-13254 Fixed 'skip' parameter behaviour for log[], log.count[], logrt[], logrt.count[] items in case log files initially do not exist Agent
ZBX-13253 Fixed losing the 1st record by log[] and logrt[] items if 'skip' parameter is used and log file initially is empty Agent
ZBX-13275 Fixed slow housekeeping of events on MySQL Server
ZBX-13264 Fixed Zabbix agent compilation on OS/X Agent
ZBX-13245 Fixed IP fragmentation handling in Zabbix server response to Zabbix proxy Proxy Server
ZBX-13258 Fixed misaligned user group permission controls Frontend
ZBX-13031 Fixed Java gateway compilation without libpcre Installation
ZBX-12963 Fixed passing argument to external check item that contain literal $ Proxy Server
ZBX-12991 Removed default values for "active_since" and "active_till" fields in maintenance.create API method API
ZBX-13270 Fixed default selection of the required host permissions radio in the global scripts form Frontend
ZBX-12758 Fixed slow housekeeping of events due to missing index on foreign key Proxy Server
ZBX-11305 Fixed color and label for event status on event details page Frontend
ZBX-13238 Fixed spelling of Elasticsearch Frontend Server
ZBX-13056 Fixed incorrect positioning of context menu when it is opened using keyboard Frontend
ZBX-13241 Fixed memory leak on Zabbix server when executing remote commands through proxy Server
ZBXNEXT-4139 Fixed displaying of the eventlog severitites and severities in trigger map element Frontend
ZBX-13178 Fixed ipc_path value in error message Proxy Server
ZBX-12251 Fixed possibility of trigger status getting stuck in PROBLEM or OK state due to transaction error in history synchronization, added deadlock to a list of recoverable errors Proxy Server
ZBX-12251 Fixed possibility that new history values are lost and not processed by Zabbix server or Zabbix proxy due to recoverable transaction error Proxy Server
ZBX-12996 Fixed radio button and label inconsistency in maintenance period configuration Frontend
ZBX-12895 Improved performance of DB patch for updating data in the alerts table Installation
ZBX-12082 Fixed possibility to select triggers with same name in multiselect Frontend
ZBX-12983 Fixed compilation warnings under Windows Agent Proxy Server
ZBX-10578 Fixed redundant init_result() calls; thanks to MATSUDA Daiki for the patch Server
ZBX-12793 Fixed system compiler checks during source configuration Installation
ZBX-11970 Fixed style for some enumerators and structure type declarations Agent

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 4.0.0.

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.

References

Zabbix 4.0 Manual

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