Release Notes for Zabbix 3.4.0rc2

17 Aug 2017

Zabbix Team is pleased to announce the availability of Zabbix 3.4.0rc2.

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 3.4.0rc2. Download it from downloads.

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-2102	improved performance of event.get() and problem.get() methods with "selectTags" option
ZBXNEXT-3920	added Templates for some of the most common applications and devices
ZBXNEXT-2102	implemented dashboard widget linking in both directions
ZBXNEXT-2102	implemented option 'Show unavailable maps' in navigation tree widget
ZBXNEXT-2102	added support of new dashboard widgets "Plain text" and "Graph"
ZBXNEXT-2102	implemented two-direction widget linkage for data sharing; improved active element selection in map navigation tree widget when map is changed from map widget
ZBXNEXT-2102	implemented validation for empty fields in widget configuration forms
ZBXNEXT-2102	added placeholder on empty dashboard
ZBXNEXT-3006	implemented support of bulk metric collection for dependent items data population
ZBXNEXT-3725	updated templates for network devices to new version (internal version 0.10beta)
ZBXNEXT-2102	added blinking for recent problems in Problems widget
ZBXNEXT-2102	implemented additional filters for dashboard widgets
ZBXNEXT-1076	implemented new permission schema to allow view map when no permissions to all map elements
ZBXNEXT-18	implemented sending alerts on acknowledges
ZBXNEXT-3910	added support to the agent for monitoring processes in trace or uninterruptible state on Linux, FreeBSD, OpenBSD and NetBSD
ZBX-12258	added bulk selections to improve performance in processing of escalations
ZBXNEXT-2102	added support of multiple dashboards; implemented API for dashboards
ZBXNEXT-1223	implemented jmx discovery item
ZBXNEXT-2442	implemented parallel alert processing, removed database watchdog process, moved its tasks to alerter process
ZBXNEXT-3863	added jsonpath based item pre-processing option
ZBXNEXT-3864	added xmlpath based item pre-processing option
ZBXNEXT-3930	improved log monitoring by adjusting formula to process 10 times more new lines than set in MaxLinesPerSecond
ZBXNEXT-1274	added support of configurable jmx endpoint url for jmx items
ZBXNEXT-3872	implemented new internal item 'zabbix[host,discovery,interfaces]'
ZBXNEXT-3869	implemented map lines
ZBXNEXT-1675	added support for user macros and time unit suffixes in various time-related settings: update intervals, timeouts, housekeeping settings, time periods, etc.
ZBXNEXT-3762	added browser warning for IE 9 and IE10
ZBXNEXT-3870	implemented ability to drag multiple selected items in map editor
ZBXNEXT-3655	reduced self monitoring cache locking in trappers and manager processes
ZBXNEXT-51	implemented ability to copy and paste map elements
ZBXNEXT-3567	implemented ability to hide SQL error messages for non-superadmin users
ZBXNEXT-3659	reduced cache locking time during configuration synchronization
ZBXNEXT-3432	added support of {HOST.ID}, {HOST.HOST}, {HOST.NAME} macros in tags, improved to read those from cache; added support of interface macros in tags
ZBXNEXT-2074	implemented URL encoding and punycode support in web monitoring
ZBXNEXT-3687	made shared memory and semaphores private to the zabbix processes. Dropped SQLite3 support for frontend and server
ZBXNEXT-2694	implemented multiple triggers support for map elements
ZBXNEXT-2445	increase the length of alert and trigger errors
ZBXNEXT-2031	implemented map shapes
ZBXNEXT-34	implemented vector graphics for maps
ZBXNEXT-936	implemented remote command execution via proxy
ZBXNEXT-3654	implemented a feature to apply host group permissions to all existing subgroups
ZBXNEXT-3660	renamed "IT services" to "Services"
ZBXNEXT-3568	decreased internal, discovery and auto registration default data storage period to 1 day
ZBXNEXT-3679	implemented a new design for Dashboard page
ZBXNEXT-3386	added IPMI manager and reworked IPMI pollers to avoid connecting to one host from multiple pollers
ZBXNEXT-3572	added option to control amount of queued items
ZBXNEXT-491	added vfs.dir.size[dir,<regex_incl>,<regex_excl>,<mode>,<max_depth>] check
ZBXNEXT-1380	added check for exit code of scripts
ZBX-3783	deprecated mappings.sortorder parameter by iconmap.create() and iconmap.update() methods
ZBXNEXT-1443	added item pre-processing options
ZBXNEXT-830	implemented full clone of maps
ZBXNEXT-12	added support of CIDR subnet mask notations for Server option on agent config
ZBXNEXT-12	added support of CIDR subnet mask notations for Allowed hosts of trapper items
ZBXNEXT-3576	increased user media periods and item flexible intervals to 1024 characters
ZBX-3783	added support of user_medias parameter by user.update() method
ZBX-3783	prohibited deleting users and user groups which are used in actions
ZBX-3783	deprecated user.addmedia(), user.updatemedia(), user.deletemedia(), user.updateprofile(), usergroup.massadd(), usergroup.massupdate() and usermedia.get() API methods
ZBXNEXT-1804	reduced the number of connections required for proxy-server data exchange by adding new 'proxy data' request and increasing the size of data sent
ZBXNEXT-3086	improved performance of action condition evaluation by ensuring that equivalent conditions are only checked once, thus there will be less queries to database
ZBXNEXT-3570	removed the deprecated "isReadable" and "isWritable" methods as well as the "proxy.interfaces" parameter
ZBXNEXT-1667	added support of LLD macros in function parameters of trigger prototype expression
ZBXNEXT-1667	added support of LLD macros in function parameters when using function with ITEM.VALUE, ITEM.LASTVALUE in trigger prototype name, description and tags
ZBXNEXT-1667	added support of LLD macros in function parameters of graph prototype name simple macros like {host:key[].func()}
ZBXNEXT-707	implemented full clone functionality for all types of screens
ZBXNEXT-2970	increased maximum supported SNMP trapper file size
ZBXNEXT-1141	added support for AtomicBoolean, AtomicInteger, and AtomicLong to Java gateway
ZBX-10777	made checkboxes and radio buttons look the same across all browsers
ZBXNEXT-3344	increased SNMP OID length limitation from 255 to 512 bytes; thanks to Patrick Hemmer for patch
ZBX-9425	added permission check on the server side for global script execution
ZBXNEXT-3725	added templates for network devices (internal version 0.8beta)

---

Bug Fixes

ZBXNEXT-3883	fixed dependent trigger with dependent item deletion; dependent item recursion message; dependent item massupdate form master item being reset on error
ZBX-12506	fixed wrong top position of the period selection box on the graphs after closing/opening filter
ZBX-12486	fixed item removal from poller queue during configuration cache synchronization
ZBXNEXT-3890	fixed extra graph loading
ZBXNEXT-3926	fixed macros {EVENT.STATUS} and {EVENT.VALUE} to return correct value depending on the state of a problem
ZBX-12487	fixed undefined index error in item prototype update
ZBXNEXT-2102	fixed several issues in dashboard
ZBX-12505	fixed Oracle database creation scripts
ZBXNEXT-18	fixed empty acknowledge operation message tooltip visibility
ZBX-12468	fixed vertical text alignment for map shapes
ZBX-12418	fixed draggable rectangle calculation for map shape lines
ZBX-12397	fixed system.cpu.num count for 64-bit Windows with more than 64 logical cpus
ZBX-12483	fixed compilation with libevent 2.1.8 and IPC service initialization in proxy
ZBX-12485	fixed PostgreSQL query errors during sending notifications on acknowledgement
ZBXNEXT-3006	fixed web scenario item preprocessing
ZBXNEXT-2102	fixed low performance of navigation tree widget and improved dashboard performance
ZBX-12458	fixed incorrect use of zbx_strlcat() in DBpatch_3030060_migrate_pairs(); thanks to MATSUDA Daiki for patch
ZBX-12462	fixed database upgrade patch for proxy
ZBXNEXT-3006	fixed distribution archive creation (make dist) and log, web scenario item preprocessing
ZBXNEXT-3006	fixed libevent build depenedencies
ZBX-12446	fixed discovery and auto registration to accept empty DNS names
ZBXNEXT-2102	fixed several issues in dashboard
ZBXNEXT-2102	fixed copying sharing properties when cloning dashboard
ZBXNEXT-18	fixed unnecessary notification sending a recovery message
ZBXNEXT-18	fixed acknowledge notification sending in maintenance period
ZBX-12339	fixed item history and trends flags update during configuration cache synchronization
ZBXNEXT-18	fixed php5.4 incompatibility in events page and acknowledge operation form
ZBXNEXT-18	fixed script name select button for new acknowledge operation form and recovery operation form
ZBXNEXT-2102	fixed multiple issues in Map widget
ZBXNEXT-2102	fixed Undefined constant: ALERT_MAX_RETRIES in Action log widget
ZBXNEXT-2102	added check for dashboard owners in user.delete() method
ZBXNEXT-2102	fixed updating of dashboard with inaccessible elements
ZBXNEXT-2102	fixed possible sql errors in upgrade patch
ZBXNEXT-2102	fixed removing of favourites from dashboard widgets
ZBXNEXT-2031	fixed multiple bugs in maps
ZBX-12384	fixed JMX endpoint related bugs in item mass update form and item.update API
ZBX-12318	fixed maintenance status not being updated in cache if host is disabled
ZBX-12224	fixed connection to Oracle database when database server gives out warnings
ZBX-12195	fixed contamination of script output with Zabbix'es own log messages when logging level is set to 4 or 5 and LogType=console
ZBX-12270	fixed processing of AIX item 'system.stat[ent]' in agent; thanks to Marc for patch
ZBX-12277	fixed trigger expression test form incorrectly replacing macros
ZBX-12357	fixed missing user macro substitution in expression of newly added triggers
ZBX-12296	added type hinting for item preprocessor numeric conversions based on item value type
ZBX-12266	fixed memory leak when executing IPMI commands
ZBX-11938	fixed 'type of condition' dropdown appearing if only one filter condition is set
ZBX-11530	fixed lost application name in exported host web scenario
ZBX-12201	fixed crash when processing SNMP trap log item, fixed log item processing without pre-processing options
ZBX-12199	removed condition check for recovery operations
ZBX-3924	switched from POSIX extended to the PCRE regular expression library for enhanced regular expressions and consistency with frontend
ZBX-11867	fixed memory leak in history cache and history cache statistics
ZBX-11671	added register information and backtrace to log when metric thread crashes
ZBX-11381	fixed displaying list of recovery actions in "Problems" and "Event details"
ZBX-11805	fixed aggregate checks log messages formats
ZBX-11470	fixed unary minus and prefix extraction for trigger expression references; optimized simple macro and macro function calculation
ZBX-7015	forced setting UTF-8 character set for connections to Oracle database
ZBX-11371	prevented executing client side script by changing value of $ZBX_SERVER_NAME from setup.php page
ZBX-5116	prevented escaping forward slashes while encoding API response to JSON text
ZBX-11036	fixed server not to synchronize IPMI configuration for new hosts without IPMI

---

Installation and Upgrade Notes

Installation

See Zabbix Manual for full details.

Upgrade

Recompile Zabbix binaries and update front-end PHP files. Execute a database patch if migrating from Zabbix 1.8.x. See Zabbix Manual for a detailed upgrade procedure.

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

---

References

Zabbix 3.4 Manual