Release Notes for Zabbix 4.0.0rc1

19 九月 2018

Zabbix Team is pleased to announce the availability of Zabbix 4.0.0rc1.

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 4.0.0rc1. Download it from download.

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-4721	Removed footer from dashboard widgets
ZBXNEXT-4588	Improved performance of problems selection in graph widget; renamed 'Classic graph' to 'Graph (classic)'; fixed several bugs in graph widget
ZBXNEXT-4722	Made operator names consistent in all interface
ZBXNEXT-4739	Removed deprecated macros $1-$9 from item names in templates
ZBXNEXT-4736	Added index by nextcheck to escalations table
ZBXNEXT-4672	Added option to show suppressed problems for data overview page and widget
ZBXNEXT-3860	Added ability to filter triggers by tags
ZBXNEXT-4606	Implemented kiosk mode for all pages
ZBXNEXT-4696	Improved history syncer performance by moving trigger locking outside history cache lock
ZBXNEXT-3848	Added validation of update interval, custom interval, history storage period and trend storage period in low-level discovery
ZBXNEXT-4224	Implemented templates for server hardware: IBM,HP,Dell,Supermicro
ZBXNEXT-4588	Implemented SVG graph generation
ZBXNEXT-4588	Implemented SVG graph widget with multiple new widget fields; Renamed existing graph widget to 'Classic graph'; Implemented vertical accordion; Added new UI controls for range control and overrides selection
ZBXNEXT-4588	Added option to store long widget field strings as array of short strings; Created class to resize the height of textarea field automatically
ZBXNEXT-4588	Improved API validation; Extended time units functionality to allow negative values
ZBXNEXT-4573	Added support of HTTP authentication as optional authentication mechanism
ZBXNEXT-413	Added maintenance tag filters to support suppression of individual problems based on their tags
ZBXNEXT-4609	Added options Tag display priority and Tag display names in Problems
ZBXNEXT-4656	Added strict validation of hostprototype.create() and hostprototype.update() methods; added audit logging for these methods
ZBXNEXT-4455	Added screen reader to the dashboard and widgets
ZBXNEXT-4627, ZBXNEXT-4656	Added support of macro functions to LLD macros
ZBXNEXT-4049	Added option to hide timeline in Problems widget
ZBXNEXT-4611	Changed default method for http agent items from "post" to "get"
ZBXNEXT-4587	Added new column 'Value' and filter in Triggers list
ZBXNEXT-4626	Improved widget configuration constructor to create custom view for each widget
ZBXNEXT-4597	Implemented single textbox date fields in maintenances, services, top 100 triggers and availability reports pages
ZBXNEXT-4558	Added support for monitoring the string values of custom JMX MBeans
ZBX-14586	Added more informative error message for InstanceNotFoundException error
ZBXNEXT-4454	Added screen reader attributes for common elements
ZBXNEXT-4200	Added ability to create LLD item prototype of type "dependent" with a master item not only item prototype
ZBXNEXT-1701	Added support of regular expressions and global regular expressions to "logsource()" trigger function
ZBXNEXT-4586	Added support of macros {ITEM.VALUE} and {ITEM.LASTVALUE} to trigger URL
ZBXNEXT-4049	Added checkbox to hide timeline when problems sort by time
ZBX-1357	Added and enabled Norwegian translation to be displayed by default
ZBXNEXT-4367	Added screen reader features for multiselect
ZBXNEXT-4530	Implemented changeable session cookie name
ZBXNEXT-4446	Added ability to change severity of previously generated problems
ZBXNEXT-4044	Changed default values of 'Display OK triggers for' and 'On status change triggers blink for'
ZBXNEXT-4361	Implemented new time range selector for graphs
ZBXNEXT-4577	Improved performance of Zabbix server by replacing semaphores to pthread mutexes and read-write locks
ZBXNEXT-4312	Reworked date picker; implemented keyboard interaction
ZBXNEXT-2365	Added additional auto-registration operations and re-running of auto-registration actions if host metadata is modified
ZBXNEXT-4569	Added support of MySQL 8.0
ZBXNEXT-4565	Removed old upgrade DB patches
ZBXNEXT-4320	Added ability to store history data in date based indices of elasticsearch
ZBXNEXT-4526	Increased tags column size in Compact view mode
ZBXNEXT-4528	Added link to Zabbix official support page
ZBXNEXT-4520	Added values to boolean mapping: "ok, master" as 1 and "err, slave" as 0
ZBXNEXT-4185	Added support of multiple items in "Plain text" widget
ZBXNEXT-4163	Added support LLD, User macros and User macros with context from LLD macro in Items preprocessing
ZBXNEXT-4415	Added new mode "Compact view" to the Problems page with ability to toggle highlighting whole row; added option to toggle timeline
ZBXNEXT-2788	Added support for "NOT" keyword in custom expression fields
ZBXNEXT-4516	Renamed dashboard widget and screen element "System status" to "Problems by severity"
ZBXNEXT-4516	Renamed dashboard widget and screen element "Host status" to "Problem hosts"
ZBXNEXT-4516	Renamed dashboard widget, screen element and report "Status of Zabbix" to "System information"
ZBX-13376	Moved functionality to enable JMX interface in Java gateway to settings.sh and ensured setting TCP timeout
ZBXNEXT-4458	Improved logging of Java gateway, added username/password validation for JMX items
ZBXNEXT-4411	Added compression of server-proxy data exchange
ZBXNEXT-4488	Added ability to push data via trapper to HTTP agent item type
ZBXNEXT-4358	Added HTTP agent item type for data gathering via HTTP
ZBXNEXT-4413	Dropped Monitoring->Triggers view
ZBXNEXT-4413	Added the trigger context menu option to view or edit the trigger description
ZBXNEXT-4413	Added displaying of the trigger dependencies in Monitoring->Problems view
ZBXNEXT-4151	Added aria roles to provide easier access by keyboard navigation
ZBX-3783	Added strict validation for apiinfo.version(), action.delete(), correlation.delete() and drule.delete() methods
ZBX-3783	Prohibited deleting discovery rules which are used in actions
ZBX-3783	Added audit for action.delete() and correlation.delete() methods
ZBXNEXT-4143	Implemented submenu autofocus on top-level menu click
ZBXNEXT-4414	Added support for configurable number of displayed tags
ZBXNEXT-4313	Implemented keyboard interaction in context menus
ZBXNEXT-4426	Added option to execute cached passive checks at the current time
ZBXNEXT-4417	Added real time export of events, history and trends in newline delimited JSON format
ZBXNEXT-4374	Implemented the widget configuration fields clearing when changing the type
ZBXNEXT-4119	Implemented tag based permissions
ZBXNEXT-4045	Implemented maximum size for graphs in widgets
ZBXNEXT-4340	Added kiosk mode for dashboard
ZBXNEXT-4150	Implemented access to interactive elements using keyboard
ZBXNEXT-4149	Implemented keybord interaction in overlay popups
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

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Bug Fixes

ZBX-14783	Fixed align of the left column in several widgets and reports
ZBX-13377	Fixed naming of groups and applications
ZBX-14335	Fixed bug in proxy makefile
ZBX-14850	Reverted ZBXNEXT-3848 fix because of broken update interval validation during low-level discovery
ZBX-14830	Fixed possible deadlock when history syncer was trying to update escalations with recovery event id
ZBX-13377	Fixed naming issue for "Server Hardware" host group
ZBXNEXT-4573	Fixed HTTP authentication page issues, HTTP case sensitive option and moved HTTP authentication from API to HTTP form page
ZBX-14721	Improved escalator performance by replacing previously unused index
ZBX-14720	Improved history syncer performance during problem recovery by adding index on escalations table and avoiding full table scan
ZBX-14821	Fixed full sync when only timer triggers are being processed, added trigger statistics to history syncer title
ZBXNEXT-4588	Fixed changelog adding more detailed description of features added in 4.0.0beta1; Fixed Data set widget field to be compatible with PHP versions affecting PHP bug #42355
ZBX-14797	Fixed calendar initialization in graph configuration form
ZBX-14812	Fixed hexadecimal to decimal preprocessing step to allow pairs of hexadecimal digits separated by space or new line
ZBX-14496	Fixed unauthorized request error when sorting list after enabling/disabling elements
ZBX-14808	Fixed SQL error in user permission check when processing actions for internal item events
ZBX-14614	Fixed server template linking with triggers having no dependencies
ZBXNEXT-4597	Fixed date selection fields in maintenance and services: fixed accepted date format, fixed validation and added placeholdrs
ZBX-6565, ZBX-13645, ZBX-14559	Fixed agent on AIX 6.1 TL0, 7.1 TL0: system.stat[memory,avm], compilation, crash on net.dns[] items
ZBX-12217	Removed links to templates with no permissions for templated discovery rules and item prototypes
ZBX-13015	Fixed X axis labels with DST transition in the displayed period
ZBX-14777	Increased severity of housekeeper logs in the case of invalid history/trends intervals
ZBX-14778	Fixed housekeeper attempting to remove history of discovery rules/prototypes
ZBX-14771	Fixed memory leak in poller if scheduling interval is invalid
ZBX-14462	Improved time selection when opening calendar with missing time
ZBX-14775	Fixed configuration of the maximum available count of aggregated metrics in a single request to vmware vCenter
ZBX-14637	Fixed unreadable text on the problems widgets in dark theme
ZBX-14676	Fixed displaying links containing UTF-8 characters
ZBX-14751	Fixed "cannot run test program while cross compiling" and "cannot check for file existence when cross compiling" errors during cross-compilation
ZBX-14677	Fixed vmware performance counter retrieval on installations with large number of datastores
ZBXNEXT-4500	Fixed item prototype master item links leading to error when master item is a web item
ZBX-14697	Fixed memory leak in alert manager when connection to database was lost
ZBX-14629	Fixed breadcrumb labels clipping
ZBX-14628	Fixed empty MAIL FROM in email alerts
ZBX-14696	Changed problem_tag index to optimize database queries
ZBX-12293	Renamed trigger functions by adding function name at the beginning and removing the operator and "N" and placing operator in a separate field allowing two new operators "<=" and ">=" for selection
ZBX-9731	Changed value cache to drop unused items from cache when new values are added instead performing this cleanup only when cache runs out of free space
ZBX-14593	Fixed error message for invalid vmware endpoint
ZBX-14614	Fixed trigger dependency link to the template instead of the host during the discovery action
ZBX-372	Added "zone" parameter to proc.num[] item for Solaris
ZBX-14631	Fixed typo in string: ouf, not out
ZBX-14410	Fixed output of information about the error for expressions with functions of triggers or calculated items
ZBX-14341	Fixed duplicate value generation in environments with poor connectivity
ZBX-9913	Fixed inconsistencies in behaviour and error messaging of trigger functions
ZBX-14448	Fixed undefined index when updating item and switching type to dependent
ZBX-14670	Fixed failed query error in LLD when updating function name in trigger prototype expression
ZBX-14433	Fixed several problems in displaying of X axis on the graphs
ZBX-14579	Improved several functions to distinguish between 'failed to compile' and 'not matched' states in regexp processing
ZBX-14584	Fixed mass update some options for items
ZBX-12217	Removed links to templates with no permissions for templated applications and items
ZBXNEXT-4607	Removed column Recovery time in Problems mode
ZBX-14548	Fixed the disk usage counters reading for ESX/ESXi hosts
ZBXNEXT-4049	Fixed option to hide timeline in Problems widget popup
ZBX-13393	Fixed agent compilation error on AlphaServer Tru64 5.1B
ZBX-14491	Fixed link "show value mappings", which leads to no permission page
ZBX-13165	Fixed Y-axis small value gradation issue in graphs
ZBX-14575	Fixed Norwegian locale key for windows
ZBX-14566	Fixed possible data loss due to MariaDB server restart
ZBX-13010	Fixed crash of poller processes in ODBC checks, simplified code
ZBX-14370	Fixed deleting of files after compiling a program (make clean) for Solaris
ZBX-14519	Fixed displaying timeline points of days in Problems widget
ZBX-12380	Improved function parameter parsing for trigger functions
ZBX-12994	Improved maintenance period translation strings in maintenance form
ZBXNEXT-4622	Updated change severity action icons in sprite files
ZBX-14426	Fixed trigger color in host issues screen and host group issues screen, color of problem with highest severity generated by trigger is used instead of trigger color
ZBX-13396	Moved time function based trigger processing to history syncer, reducing trigger locking issues caused by peak timer processing loads
ZBX-13651	Fixed cloning a template using the "Full Clone", which does not hide the upper level navigation bar
ZBX-14425	Color of problem with highest severity generated by trigger is used as trigger status color on data overview page
ZBX-8051	Fixed auto-logout problem caused by async calls to jsrpc
ZBX-13641	Disabled preprocessing update for discovered items
ZBX-13381	Fixed invisible color picker selector, fixed wrong color preview, extended color pallette
ZBX-14410	Improved error message handling in zbx_function_find()
ZBX-14500	Fixed crash when reporting unknown triggers and using $1-$9 macros at the same time
ZBX-14525	Fixed sorting by severity in Monitoring->Problems and Problems widget
ZBX-12580	Reworked problem hosts widget to source data from problems and take changed severity into account
ZBX-14537	Fixed HTTP agent application/json Content-Type not being set by default when using custom headers
ZBX-12104	Added limit ZBX_HISTORY_PERIOD for {ITEM.VALUE} macro resolving in trigger name
ZBX-14359	Changed problem name macro in default action subject and message from TRIGGER.NAME to EVENT.NAME
ZBX-13718	Fixed selection of cached checkboxes in checkbox range library
ZBX-13647	Fixed defined default discovery action message
ZBX-12115	Changed API returned lastvalue and prevvalue for text based items with no values
ZBX-14409	Fixed icon mapping expression validation
ZBX-14402	Fixed internal item parameter that does not match documentation
ZBX-11989	Fixed condition operators for event correlation rules
ZBX-13779	Fixed redirect button link in multiple places
ZBXNEXT-4361	Fixed selected breadcrumbs item style; fixed active time range tabs hover cursor style
ZBX-14420	Fixed link to Problems screen in map element's context menu
ZBX-12957	Removed time adjustment of received packets for server and proxy
ZBX-12171	Added missing items zabbix[process,vmware collector,avg,busy] and zabbix[vmware,buffer,pfree] to Template App Zabbix Proxy
ZBX-14388	Fixed log message about full history cache
ZBX-13283	Removed info label in Trigger severities and Users administration pages
ZBX-6046	Fixed the functions 'net.if.*' for Solaris with empty 64 bits counters
ZBX-13355	Fixed media type a required password field successfully passing validation while being empty and prevented auto-filling stored passwords by browser
ZBX-13701	Fixed hintbox multiplication on page refresh
ZBX-14398	Improved "Server" parameter description in Zabbix agent configuration file
ZBX-14344	Fixed host groups, hosts and applications not being taken into account when filtering problems by problem name in Monitoring->Problems view
ZBX-11434	Added error messages when creation of LLD SNMP items fails due to SNMP OID field
ZBX-12250	Fixed logrt[] item to analyze log file from start if no log files match and no log files were seen before
ZBX-13765	Fixed discovered host status update if it was down and a service was discovered on that host
ZBX-12070	Fixed "proc.num" and "proc.mem" items calculation of values when zabbix_agentd called in test mode
ZBX-14423	Fixed use of initialized variable during application discovery
ZBX-12990	Improved "vmware.hv.datastore.size" through usage the performance counters
ZBXNEXT-4540	Fixed problems filter with same tags not being joined with OR condition
ZBXNEXT-4576	Unified dashboard widget content margins
ZBX-12965	Fixed scheduled check calculation during daylight saving changes
ZBX-13712	Fixed "Undefined index: master_itemid" and SQL errors in item.update and itemprototype.update methods; fixed updating of discovered items
ZBX-14329	Fixed error opening map's submap
ZBX-13549	Fixed displaying of not monitored triggers in maps
ZBX-13783	Dropped support for Zapcat-style and multi-level parameter arrays from item key validation in frontend
ZBX-12359	Fixed "Automatic icon selection" checkbox not working and displaying two icons at once in map constructor
ZBX-12239	Fixed global search form allowing to submit empty search queries
ZBX-12177	Renamed "Icon" to "Map element" in Network map properties and constructor
ZBX-14333	Fixed {ESC.HISTORY} and action log not to display colon without target host when executed on Zabbix server
ZBX-14345	Fixed lock wait timeout error handling on MySQL to avoid possible data loss
ZBX-13361	Fixed error messages when configuring an existing item to have an update interval
ZBX-14328	Improved logging of command execution failures
ZBX-13803	Fixed "make install" to respect DESTDIR variable, this is essential for packaging
ZBX-12603	Fixed tab navigation and keyboard interaction in dashboard sharing and properties dialogues; added validation inside popups
ZBX-13043	Removed error message for when user has defined media but all of them are disabled
ZBX-14312	Fixed possible deadlock in history syncer when housekeeper is deleting events
ZBX-13697	Fixed session expiration when changing default authentication method
ZBX-13768	Fixed disabled 'add' button showing in templated item preprocesing form
ZBX-13680	Fixed action not being cloned due to existing operation id being submitted
ZBX-13775	Fixed map tree widget border color
ZBX-13780	Fixed status color styles
ZBX-12350	Fixed severity picker styles
ZBX-13782	Fixed decoding of Unicode characters in JSON
ZBX-13767	Fixed "undefined index: acknowledges" error on problems page
ZBX-12175	Fixed subfilter entries with long names going off the screen
ZBX-12644	Fixed filter being partially reset when using pagination in availability report page
ZBX-12390	Fixed problem when triggers might not use correct value if an item values within one second were received in wrong historical order
ZBX-13788	Fixed host availability stuck in unknown state after proxy changes
ZBX-14313	Fixed trigger level correlation when multiple tags are set
ZBX-12372	Fixed duplication of prefix "/" for second parameter "path" in items "web.page.*"
ZBX-14315	Fixed validation of "max_depth" in "vfs.dir.size" for agent
ZBX-13778	Fixed logically dead code in JSON Path parser
ZBX-14337	Fixed persistent xss in map navigation tree widget
ZBX-14336	Fixed persistent xss vulnerability in services
ZBX-13750	Fixed hover and focus style for edit dashboard cancel button, improved top nav css coding style
ZBX-13694	Disable check now for items with scheduler configuration errors
ZBX-9882	Removed Zapcat-style and multi-level array type support in item key parameters
ZBX-12821	Fixed multiple javascript memory leaks
ZBX-13755	Fixed proxy lastaccess update on 32-bit Zabbix server
ZBX-12425	Fixed selection of web items in the "Plain text" screen element
ZBX-13781	Fixed CRLF injection in Zabbix Agentd
ZBX-13737	Fixed invalid confirmation message when mass enabling and disabling trigger, item and host prototypes
ZBX-13766	Fixed comparison of two large float numbers in expressions
ZBX-13481	Fixed incorrect parsing of BITS data type in SNMP response
ZBX-13744	Fixed potential shared memory leak when item is removed
ZBX-13742	Fixed parsing of the operator "not" in trigger expression
ZBX-13535	Fixed trigger recovery expression for 'High error rate' trigger
ZBX-13278	Fixed trigger expression for 'Link down' trigger
ZBX-12805	Increased command line limit for proc.num checks on hp-ux systems
ZBX-13749	Fixed creation of dependent items from item wizard
ZBX-13660	Fixed data types passed to is_ushort() for converting PID, port and process number
ZBX-12935, ZBX-13539	Fixed displaying of floating point values under the "Latest data" page
ZBX-13579	Fixed unnecessary data getting when agent becomes available in the non-collection data period
ZBX-13240	Removed duplicating HTML IDs from frontend and fixed SID validation in trigger wizard
ZBX-13685	Fixed maintenance entries displayed in list when filter is applied
ZBX-12756	Improved configure script to check iconv library
ZBX-13667	Added notification in zabbix server log about 'error' in elasticsearch json response
ZBX-13683	Fixed multiselect items not being sorted by name
ZBX-13299	Fixed autoregistration, discovery and internal notifications not being sent due to uninitialized severity
ZBX-13607	Changed ping script to return success also for timeouts
ZBX-12967	Fixed slide show refresh interval multiplier menu not working
ZBX-13696	Added maximum record limit to old session removal in housekeeper
ZBX-13642	Fixed undefined index in user edit form
ZBX-13546	Fixed context menu positioning in maps
ZBX-13668	Fixed dynamic widget searching for item key in item prototypes
ZBX-13500	Fixed fractional values in triggers being misinterpreted without a leading 0
ZBX-13561	Fixed incorrectly displayed pie graph when first item has no data
ZBX-13517	Fixed undefined index in pie charts
ZBX-13499	Fixed checkbox selector in problems table
ZBX-13598	Fixed crash when Zabbix process cannot connect to preprocessing service
ZBX-13522	Fixed duplicate IDs in trigger expression constructor
ZBX-13489	Fixed wrong tab iteration inside graph widget
ZBX-13625	Fixed blinking in the problem widget
ZBX-13560	Fixed acknowledge notifications being visible in the event popup
ZBX-13298	Fixed missing graph after faulty graph edit form submission
ZBX-13487	Improved widgets menu icons focus state styles
ZBX-13350	Added multiple Zabbix element default paths to output after running ./configure and --help option
ZBX-13509	Improved compilation support from source for Solaris and NetBSD
ZBX-13542	Fixed http steps on template not inheriting hosts application setting
ZBX-13618	Fixed wrong variables order in translatable error message
ZBX-13344	Fixed trigger based actions having a default "not in maintenance" condition
ZBX-13613	Improved a history syncer when backend elasticsearch is not available
ZBX-13510	Fixed error of execution "make dbschema" for NetBSD
ZBX-13544	Fixed agent crashes when using regex with 'Log' item for Mac OSX
ZBX-13611	Fixed lld rules not always saving their state/error message changes
ZBX-13571	Fixed regression that resulted in slow history data queries on partitioned tables
ZBX-13490	Fixed autofocus in forms
ZBX-13470	Improved searching IPMI items by full name
ZBX-13566	Fixed create dashboard button size in dashboard list
ZBX-13464	Fixed fullscreen attribute included in host context menu links
ZBX-13424	Added possibility to select web items as master items and improved copying of dependent items to destination hosts and templates
ZBX-13573	Fixed undefined index message changing Action "Acknowledgment operations" from "Remote command" to "Notify all involved"
ZBX-13570	Fixed undefined index in API call
ZBX-13331	Removed "recovery" property from action.get API method response
ZBX-13309	Fixed displaying of Problem/Recovery time
ZBX-13450	Fixed server and proxy compilation problem for Solaris 10
ZBX-13458, ZBX-13494	Fixed resolving of the macros in map labels for non-superadmin users
ZBX-13526	Fixed widget placeholder jumping instead of resizing while dashboard edit
ZBX-13362	Fixed potentially wrong rows deleting by housekeeper in PostgreSQL
ZBX-13506	Fixed linked trigger is moved to sibling map element
ZBX-13586	Fixed trigger-based event correlation - suspend creation of event if no problems are recovered by it
ZBX-13339	Improved deallocation of memory
ZBX-13412	Fixed JS error and wrong form behaviour when changing item type, type of information
ZBX-13471	Fixed contrast in selected item filters
ZBX-13428	Fixed long name of map outside go back button in map widget
ZBX-13340	Fixed pie graphs displaying incorrect data
ZBX-13257	Fixed display of the latest item in Audit log
ZBX-13447	Fixed trigger name readability on map in dark theme
ZBX-11994	Changed "awk" to "sed" for getting info about "Last Changed Revision"
ZBX-13360	Fixed HTML5 placeholder color that previously appeared like actual input data
ZBX-13351	Improved OpenSSL error messages
ZBX-13147	Fixed inconsistent number on map navigation tree
ZBX-13537	Fixed "Inaccessible user" in Dashboard System status widgets acknowledgement popup
ZBX-13472	Fixed description of "Server" and "ServerActive" configuration options
ZBX-13455	Added frontend error message when templates cannot be linked to LLD host
ZBX-13538	Fixed example configuration for Elasticsearch
ZBX-13434	Fixed incorrect trigger dependencies being set after copying triggers to multiple hosts; thanks to Kotaro Miyashita for the patch
ZBX-13513	Fixed input maxlength for users media of type script
ZBX-13523	Fixed error message for empty TCP response in case agent dropped connection because of access permissions
ZBX-12883	Fixed incorrect ordering the list of triggers after saving a map
ZBXNEXT-4150	Fixed URL display in hint box and focus styles for radio buttons
ZBX-12940	Fixed content does not fit dialog window
ZBX-13342	Fixed order by query in frontend Maintenance tab
ZBX-13401	Fixed successful items mass update with invalid update interval
ZBX-6167	Fixed partial updating in maintenance.update
ZBX-13062	Banned using of mutex in threads of metrics collection
ZBX-13236	Fixed error message of function parameters parse
ZBX-10433	Removed inaccurate configuration default values
ZBX-13398	Fixed configure script for Debian GNU/Linux "buster" and "sid" to work with PostgreSQL
ZBX-12754	Fixed undefined index error in map import
ZBX-13303	Improved display of user media 'Use if severity' indicators
ZBX-13166	Fixed daily and yearly notification reports not including current day/last day of leap-year
ZBX-13118	Improved readability of emails in action log by splitting them multiline
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
ZBX-13430	Fixed use of uninitialized value ttl when elasticsearch is configured
ZBX-13452	Fixed Elasticsearch history storage default value types
ZBX-13248	Fixed field trapper_hosts to optional for trapper item.create
ZBX-13307	Fixed map scaling and position to the widget left side
ZBX-12941	Fixed checkbox overlay's position over the checkbox
ZBX-13465	Fixed back button style on the sub-maps
ZBX-13334	Fixed translations of Widget parameters window
ZBX-6118	Fixed poor performance of changing an item on the template which linked with many hosts
ZBX-13454	Fixed placeholder in Administration->Scripts form
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

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Installation and Upgrade Notes

Installation

See Zabbix指导手册。 for full details.

版本升级

See 升级指南 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 升级服务 for easy migration from earlier versions of Zabbix. Please 联系我们 for pricing and more details.

• Zabbix Enterprise Support
• Zabbix 认证培训
• Zabbix 二次开发

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References

Zabbix 4.0 Manual