Release Notes for Zabbix 4.0.0alpha3

Zabbix Team is pleased to announce the availability of Zabbix 4.0.0alpha3.

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 4.0.0alpha3. 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-4357 Added support of "selectTriggerDiscovery" option in trigger.get method
ZBXNEXT-4152 Replaced double box select fields with multiselect fields and added filtering by proxy and server only in host list
ZBXNEXT-4273 Added default event status colors in themes with option to customize them
ZBXNEXT-4216 Added 'copytruncate' log file rotation support for logrt[], logrt.count[]
ZBXNEXT-4144 Added asterisk mark and aria-label property to all forms required fields
ZBXNEXT-768 Added item unit blacklisting with character "!" in order to disable metric prefixes
ZBXNEXT-4295 Added selection of the create images tickbox by default on "Maps import" page
ZBXNEXT-1456 Added filter by item discovery status for item configuration view; thanks to Volker Fröhlich for the original patch
ZBXNEXT-3991 Added additional params to net.if.* key output for linux base agent
ZBXNEXT-3480 Added support of inventory macros in event tags
ZBXNEXT-4175 Implemented ability to send email to several email addresses specified as user media
ZBXNEXT-4139 Added high contrast light and high contrast dark themes
ZBXNEXT-4247 Removed deprecated API methods: user.updareProfile, user.addMedia, user.updateMedia, user.deleteMedia, usergroup.massAdd, usergroup.massUpdate and usermedia.get
ZBXNEXT-970 Added more detailed error information to notification message when DB is unavailable
ZBXNEXT-4137 Removed green background from cells
ZBXNEXT-4157 Added map status summary to be readable by screen reader software
ZBXNEXT-4127 Implemented popup displaying in overlay dialogues
ZBXNEXT-1520 Increased the maximum Hosts/DNS name character length from 63 to 255
ZBXNEXT-4108 Implemented search of problems by trigger name
ZBXNEXT-4143 Implemented keybord interaction in top navigation
ZBXNEXT-1567 Added item "vfs.dir.count" for counting directory entries
ZBXNEXT-4135 Added tooltips for vertical labels
ZBXNEXT-4146 Added icons for error and success messages
ZBXNEXT-4156 Added option to view graphs items data and multiple items graph data as table
ZBXNEXT-4160 Reworked monitoring Discovery screen to show hint info right in the table cell
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
ZBXNEXT-4186 Added ability to adjust colors for new graph items in graph creation form according selected theme
ZBXNEXT-4145 Fixed appearance of host column based on number of hosts specified in filter
ZBXNEXT-4118 Implemented advanced options for tag-based search of problems
ZBXNEXT-4134 Added 'lang' attribute to page body
ZBXNEXT-4181 Fixed Zabbix server to accept active Zabbix proxy requests only from allowed address if specified
ZBXNEXT-4181 Fixed passive Zabbix proxy to accept Zabbix server requests only from allowed address
ZBX-10576 Restructured unixODBC related code, moved it to a dedicated directory
ZBX-3783 Added strict validation for proxy.delete() method; proxy cannot be deleted when used in actions
ZBX-11909 Replaced company.com with example.com in data.sql

Bug Fixes

ZBX-13403 Allowed proxy to execute remote commands on agents using encrypted connection
ZBX-13441 Fixed crashes in case of failures (e.g. timeouts) during VMware hypervisor discovery
ZBX-12607 Fixed performance of map.get API method and map-related views
ZBX-11391 Generated an error if expanding LLD macros results in an empty tag name
ZBX-13300 Fixed addJsFile() name
ZBX-13030 Removed proxy's ability to export unprocessed history data via loadable modules
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
ZBX-13194 Fixed incorrect processing of zabbix[wcache,value,*] internal check
ZBX-13060 Added limitation for meaningless server reconnection attempts to incorrectly configured passive proxy
ZBX-13233 Added new memory metrics for Linux platform - "active", "anon", "inactive" and "slabs"; thanks to Tomasz Kłoczko for the original patch
ZBX-12643 Improved error log message in case Zabbix server database cannot be used due to empty "users" table
ZBX-11720 Fixed memory leak which breaks vfs.fs.size, vfs.fs.inode and vfs.dir.size items if compiled with LeakSanitizer
ZBX-13131 Fixed truncated multiline text values from network discovery SNMP checks
ZBX-13117 Fixed vfs.dir.size with symbol links on Windows
ZBX-12045 Fixed inconsistencies in configure -h output
ZBX-13325 Fixed trend.get() method with Oracle backend
ZBX-13223 Fixed graphs duplication in graph preview
ZBX-13345 Removed SID from URL in screen edit mode
ZBX-13055 Fixed problems with DNS resolver interface on NetBSD
ZBX-13214 Added support of \0 matching group for regsub and iregsub methods
ZBX-13208 Eliminated race condition that caused history collection for newly created items to start before preprocecessing steps finished syncing
ZBX-13246 Fixed processing of command line arguments which are longer than 2KB for proc.num and proc.mem items on AIX
ZBX-13130 Fixed Zabbix proxy not to generate high network traffic when server does not accept data
ZBX-13288 Fixed image ghosting for mass update of map elements
ZBX-11422 Fixed compilation warnings under OS X 64bit
ZBX-13276 Fixed compatibility issue with Elasticsearch versions starting from 6.0
ZBX-13196 Fixed setting of transaction error flag in commit operation
ZBX-13221 Fixed trimming of values in overlay dialogues
ZBX-13221 Added "Timeout" validation in web scenario step overlay dialogue
ZBX-12389 Fixed latest data host group filter
ZBX-13119 Removed 'empty' button in trigger selection window for map constructor item modal form
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
ZBX-13254 Fixed 'skip' parameter behaviour for log[], log.count[], logrt[], logrt.count[] items in case log files initially do not exist
ZBX-13253 Fixed losing the 1st record by log[] and logrt[] items if 'skip' parameter is used and log file initially is empty
ZBX-13275 Fixed slow housekeeping of events on MySQL
ZBX-13264 Fixed Zabbix agent compilation on OS/X
ZBX-13245 Fixed IP fragmentation handling in Zabbix server response to Zabbix proxy
ZBX-13258 Fixed misaligned user group permission controls
ZBX-13031 Fixed Java gateway compilation without libpcre
ZBX-12963 Fixed passing argument to external check item that contain literal $
ZBX-12991 Removed default values for "active_since" and "active_till" fields in maintenance.create API method
ZBX-13270 Fixed default selection of the required host permissions radio in the global scripts form
ZBX-12758 Fixed slow housekeeping of events due to missing index on foreign key
ZBX-11305 Fixed color and label for event status on event details page
ZBX-13238 Fixed spelling of Elasticsearch
ZBX-13056 Fixed incorrect positioning of context menu when it is opened using keyboard
ZBX-13241 Fixed memory leak on Zabbix server when executing remote commands through proxy
ZBXNEXT-4139 Fixed displaying of the eventlog severitites and severities in trigger map element
ZBX-13178 Fixed ipc_path value in error message
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
ZBX-12251 Fixed possibility that new history values are lost and not processed by Zabbix server or Zabbix proxy due to recoverable transaction error
ZBX-12996 Fixed radio button and label inconsistency in maintenance period configuration
ZBX-12895 Improved performance of DB patch for updating data in the alerts table
ZBX-12082 Fixed possibility to select triggers with same name in multiselect
ZBX-12983 Fixed compilation warnings under Windows
ZBX-10578 Fixed redundant init_result() calls; thanks to MATSUDA Daiki for the patch
ZBX-12793 Fixed system compiler checks during source configuration
ZBX-11970 Fixed style for some enumerators and structure type declarations

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

References

Zabbix 4.0 Manual

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