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ChangeLog
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# Icinga 2.x CHANGELOG
Please check [doc/1-about.md].
## What's New
### What's New in Version 2.5.4
#### Bugfixes
* Bug 11932 (Checker): many check commands executed at same time when master reload
### What's New in Version 2.5.3
#### Changes
This release addresses an issue with PostgreSQL support for the IDO database module.
#### Bugfixes
* Bug 12533 (DB IDO): ido pgsql migration from 2.4.0 to 2.5.0 : wrong size for config_hash
### What's New in Version 2.5.2
#### Bugfixes
* Bug 12527 (DB IDO): Newly added group member tables in the IDO database are not updated
* Bug 12529 (Checker): Icinga 2 sends SOFT recovery notifications
### What's New in Version 2.5.1
#### Bugfixes
* Bug 12517 (Notifications): Icinga 2 sends recovery notifications for SOFT NOT-OK states
### What's New in Version 2.5.0
#### Changes
* InfluxdbWriter feature
* API
* New endpoints: /v1/variables and /v1/templates (GET requests), /v1/action/generate-ticket (POST request)
* State/type filters for notifications/users are now string values (PUT, POST, GET requests)
* Configuration
* TimePeriod excludes/includes attributes
* DateTime object for formatting time strings
* New prototype methods: Array#filter, Array#unique, Array#map, Array#reduce
* icinga2.conf now includes plugins-contrib, manubulon, windows-plugins, nscp by default (ITL CheckCommand definitions)
* Performance improvements (config compiler and validation)
* CLI
* 'icinga2 object list' formats state/type filters as string values
* Compiled config files are now visible with "notice" debug level (hidden by default)
* CA serial file now uses a hash value (HA cluster w/ 2 CA directories)
* Cluster
* There is a known issue with >2 endpoints inside a zone. Icinga 2 will now log a warning.
* Support for accepted ciphers and minimum TLS version
* Connection and error logging has been improved.
* DB IDO
* Schema upgrade required (2.5.0.sql)
* Incremental config dump (performance boost)
* `categories` attribute is now an array. Previous method is deprecated and to be removed.
* DbCatLog is not enabled by default anymore.
* SSL support for MySQL
* New packages
* vim-icinga2 for syntax highlighting
* libicinga2 (Debian), icinga2-libs (RPM) for Icinga Studio packages
#### Feature
* Feature 7355 (libicinga): Exclude option for TimePeriod definitions
* Feature 8401 (Packages): Package for syntax highlighting
* Feature 9184 (Perfdata): Add timestamp support for GelfWriter
* Feature 9264 (ITL): Extend CheckCommand definitions for nscp-local
* Feature 9725 (DB IDO): Add SSL support for the IdoMysqlConnection feature
* Feature 9839 (Configuration): Implement support for formatting date/time
* Feature 9858 (Perfdata): Gelf module: expose 'perfdata' fields for 'CHECK_RESULT' events
* Feature 10140 (libicinga): Remove the deprecated IcingaStatusWriter feature
* Feature 10480 (Perfdata): Add InfluxDbWriter feature
* Feature 10553 (Documentation): Update SELinux documentation
* Feature 10669 (ITL): Add IPv4/IPv6 support to the rest of the monitoring-plugins
* Feature 10722 (ITL): icinga2.conf: Include plugins-contrib, manubulon, windows-plugins, nscp by default
* Feature 10816 (libbase): Add name attribute for WorkQueue class
* Feature 10952 (Packages): Provide packages for icinga-studio on Fedora
* Feature 11063 (API): Implement SSL cipher configuration support for the API feature
* Feature 11290 (API): ApiListener: Force server's preferred cipher
* Feature 11292 (API): ApiListener: Make minimum TLS version configurable
* Feature 11359 (ITL): Add "retries" option to check_snmp command
* Feature 11419 (Configuration): Config parser should not log names of included files by default
* Feature 11423 (libicinga): Cleanup downtimes created by ScheduleDowntime
* Feature 11445 (Configuration): Allow strings in state/type filters
* Feature 11599 (Documentation): Documentation review
* Feature 11612 (Configuration): Improve performance for field accesses
* Feature 11623 (Installation): Add script for automatically cherry-picking commits for minor versions
* Feature 11659 (Configuration): Remove the (unused) 'inherits' keyword
* Feature 11706 (API): Improve logging for HTTP API requests
* Feature 11739 (Packages): Windows Installer: Remove dependency on KB2999226 package
* Feature 11772 (Cluster): Add lag threshold for cluster-zone check
* Feature 11837 (Documentation): Use HTTPS for debmon.org links in the documentation
* Feature 11869 (ITL): Add CIM port parameter for esxi_hardware CheckCommand
* Feature 11875 (Tests): Add debugging mode for Utility::GetTime
* Feature 11931 (ITL): Adding option to access ifName for manubulon snmp-interface check command
* Feature 11941 (API): Support for enumerating available templates via the API
* Feature 11955 (API): Implement support for getting a list of global variables from the API
* Feature 11967 (DB IDO): Update DB IDO schema version to 1.14.1
* Feature 11968 (DB IDO): Enhance IDO check with schema version info
* Feature 11970 (ITL): add check command for plugin check_apache_status
* Feature 12006 (ITL): Add check command definitions for kdc and rbl
* Feature 12018 (Graphite): Add acknowledgement type to Graphite, InfluxDB, OpenTSDB metadata
* Feature 12024 (DB IDO): Change Ido*Connection 'categories' attribute to an array
* Feature 12041 (API): API: Add missing downtime_depth attribute
* Feature 12061 (ITL): Add check command definition for db2_health
* Feature 12106 (DB IDO): Do not populate logentries table by default
* Feature 12116 (Cluster): Enhance client disconnect message for "No data received on new API connection."
* Feature 12189 (ITL): Add support for "-A" command line switch to CheckCommand "snmp-process"
* Feature 12194 (Cluster): Improve log message for connecting nodes without configured Endpoint object
* Feature 12201 (Cluster): Improve error messages for failed certificate validation
* Feature 12215 (Cluster): Include IP address and port in the "New connection" log message
* Feature 12221 (ITL): A lot of missing parameters for (latest) mysql_health
* Feature 12222 (Cluster): Log a warning if there are more than 2 zone endpoint members
* Feature 12234 (CLI): Add history for icinga2 console
* Feature 12247 (Configuration): Add map/reduce and filter functionality for the Array class
* Feature 12254 (API): Remove obsolete debug log message
* Feature 12256 (ITL): Add check command definition for check_graphite
* Feature 12287 (Cluster): Enhance TLS handshake error messages with connection information
* Feature 12304 (Notifications): Add the notification type into the log message
* Feature 12314 (ITL): Add command definition for check_mysql_query
* Feature 12327 (API): Support for determining the Icinga 2 version via the API
* Feature 12329 (libicinga): Implement process_check_result script method for the Checkable class
* Feature 12336 (libbase): Improve logging for the WorkQueue class
* Feature 12338 (Configuration): Move internal script functions into the 'Internal' namespace
* Feature 12386 (Documentation): Rewrite Client and Cluster chapter and; add service monitoring chapter
* Feature 12389 (libbase): Include compiler name/version and build host name in --version
* Feature 12392 (ITL): Add custom variables for all check_swap arguments
* Feature 12393 (libbase): Implement support for marking functions as deprecated
* Feature 12407 (CLI): Implement support for inspecting variables with LLDB/GDB
* Feature 12408 (Configuration): Implement support for namespaces
* Feature 12412 (Documentation): Add URL and short description for Monitoring Plugins inside the ITL documentation
* Feature 12424 (ITL): Add perfsyntax parameter to nscp-local-counter CheckCommand
* Feature 12426 (Configuration): Implement comparison operators for the Array class
* Feature 12433 (API): Add API action for generating a PKI ticket
* Feature 12434 (DB IDO): Remove unused code from the IDO classes
* Feature 12435 (DB IDO): Incremental updates for the IDO database
* Feature 12448 (libbase): Improve performance for type lookups
* Feature 12450 (Cluster): Improve performance for Endpoint config validation
* Feature 12457 (libbase): Remove unnecessary Dictionary::Contains calls
* Feature 12468 (ITL): Add interfacetable CheckCommand options --trafficwithpkt and --snmp-maxmsgsize
* Feature 12477 (Documentation): Development docs: Add own section for gdb backtrace from a running process
* Feature 12481 (libbase): Remove some unused #includes
#### Bugfixes
* Bug 7354 (libicinga): Disable immediate hard state after first checkresult
* Bug 9242 (Cluster): Custom notification external commands do not work in a master-master setup
* Bug 9848 (libbase): Function::Invoke should optionally register ScriptFrame
* Bug 10061 (DB IDO): IDO: icinga_host/service_groups alias columns are TEXT columns
* Bug 10066 (DB IDO): Missing indexes for icinga_endpoints* and icinga_zones* tables in DB IDO schema
* Bug 10069 (DB IDO): IDO: check_source should not be a TEXT field
* Bug 10070 (DB IDO): IDO: there is no usable object index on icinga_{scheduleddowntime,comments}
* Bug 10075 (libbase): Race condition in CreatePipeOverlapped
* Bug 10363 (Notifications): Notification times w/ empty begin/end specifications prevent sending notifications
* Bug 10570 (API): /v1 returns HTML even if JSON is requested
* Bug 10903 (Perfdata): GELF multi-line output
* Bug 10937 (Configuration): High CPU usage with self-referenced parent zone config
* Bug 11182 (DB IDO): IDO: entry_time of all comments is set to the date and time when Icinga 2 was restarted
* Bug 11196 (Cluster): High load when pinning command endpoint on HA cluster
* Bug 11483 (libicinga): Numbers are not properly formatted in runtime macro strings
* Bug 11562 (Notifications): last_problem_notification should be synced in HA cluster
* Bug 11590 (Notifications): notification interval = 0 not honoured in HA clusters
* Bug 11622 (Configuration): Don't allow flow control keywords outside of other flow control constructs
* Bug 11648 (Packages): Reload permission error with SELinux
* Bug 11650 (Packages): RPM update starts disabled icinga2 service
* Bug 11688 (DB IDO): Outdated downtime/comments not removed from IDO database (restart)
* Bug 11730 (libicinga): Icinga 2 client gets killed during network scans
* Bug 11782 (Packages): Incorrect filter in pick.py
* Bug 11793 (Documentation): node setup: Add a note for --endpoint syntax for client-master connection
* Bug 11817 (Installation): Windows: Error with repository handler (missing /var/lib/icinga2/api/repository path)
* Bug 11823 (DB IDO): Volatile check results for OK->OK transitions are logged into DB IDO statehistory
* Bug 11825 (libicinga): Problems with check scheduling for HARD state changes (standalone/command_endpoint)
* Bug 11832 (Tests): Boost tests are missing a dependency on libmethods
* Bug 11847 (Documentation): Missing quotes for API action URL
* Bug 11851 (Notifications): Downtime notifications do not pass author and comment
* Bug 11862 (libicinga): SOFT OK-state after returning from a soft state
* Bug 11887 (ITL): Add "fuse.gvfsd-fuse" to the list of excluded file systems for check_disk
* Bug 11890 (Configuration): Config validation should not delete comments/downtimes w/o reference
* Bug 11894 (Configuration): Incorrect custom variable name in the hosts.conf example config
* Bug 11898 (libicinga): last SOFT state should be hard (max_check_attempts)
* Bug 11899 (libicinga): Flapping Notifications dependent on state change
* Bug 11903 (Documentation): Fix systemd client command formatting
* Bug 11905 (Documentation): Improve "Endpoint" documentation
* Bug 11926 (API): Trying to delete an object protected by a permissions filter, ends up deleting all objects that match the filter instead
* Bug 11933 (DB IDO): SOFT state changes with the same state are not logged
* Bug 11962 (DB IDO): Overflow in current_notification_number column in DB IDO MySQL
* Bug 11991 (Documentation): Incorrect URL for API examples in the documentation
* Bug 11993 (DB IDO): Comment/Downtime delete queries are slow
* Bug 12003 (libbase): Hang in TlsStream::Handshake
* Bug 12008 (Documentation): Add a note about creating Zone/Endpoint objects with the API
* Bug 12016 (Configuration): ConfigWriter::EmitScope incorrectly quotes dictionary keys
* Bug 12022 (Configuration): Icinga crashes when using include_recursive in an object definition
* Bug 12029 (Documentation): Migration docs still show unsupported CHANGE_*MODATTR external commands
* Bug 12044 (Packages): Icinga fails to build with OpenSSL 1.1.0
* Bug 12046 (Documentation): Typo in Manubulon CheckCommand documentation
* Bug 12067 (Documentation): Documentation: Setting up Plugins section is broken
* Bug 12077 (Documentation): Add a note to the docs that API POST updates to custom attributes/groups won't trigger re-evaluation
* Bug 12085 (DB IDO): deadlock in ido reconnect
* Bug 12092 (API): Icinga incorrectly disconnects all endpoints if one has a wrong certificate
* Bug 12098 (Configuration): include_recursive should gracefully handle inaccessible files
* Bug 12099 (Packages): Build fails with Visual Studio 2013
* Bug 12100 (libbase): Ensure to clear the SSL error queue before calling SSL_{read,write,do_handshake}
* Bug 12107 (DB IDO): Add missing index on state history for DB IDO cleanup
* Bug 12135 (ITL): ITL: check_iftraffic64.pl default values, wrong postfix value in CheckCommand
* Bug 12144 (Documentation): pkg-config is not listed as a build requirement in INSTALL.md
* Bug 12147 (DB IDO): IDO module starts threads before daemonize
* Bug 12179 (Cluster): Duplicate messages for command_endpoint w/ master and satellite
* Bug 12180 (Cluster): CheckerComponent sometimes fails to schedule checks in time
* Bug 12193 (Cluster): Increase cluster reconnect interval
* Bug 12199 (API): Fix URL encoding for '&'
* Bug 12204 (Documentation): Improve author information about check_yum
* Bug 12210 (DB IDO): Do not clear {host,service,contact}group_members tables on restart
* Bug 12216 (libicinga): icinga check reports "-1" for minimum latency and execution time and only uptime has a number but 0
* Bug 12217 (Documentation): Incorrect documentation about apply rules in zones.d directories
* Bug 12219 (Documentation): Missing explanation for three level clusters with CSR auto-signing
* Bug 12225 (libicinga): Icinga stats min_execution_time and max_execution_time are invalid
* Bug 12227 (Perfdata): Incorrect escaping / formatting of perfdata to InfluxDB
* Bug 12237 (Installation): Increase default systemd timeout
* Bug 12257 (Notifications): Notification interval mistimed
* Bug 12259 (Documentation): Incorrect API permission name for /v1/status in the documentation
* Bug 12267 (Notifications): Multiple notifications when master fails
* Bug 12274 (ITL): -q option for check_ntp_time is wrong
* Bug 12288 (DB IDO): Change the way outdated comments/downtimes are deleted on restart
* Bug 12293 (Notifications): Missing notification for recovery during downtime
* Bug 12302 (Cluster): Remove obsolete README files in tools/syntax
* Bug 12310 (Notifications): Notification sent too fast when one master fails
* Bug 12318 (Configuration): Icinga doesn't delete temporary icinga2.debug file when config validation fails
* Bug 12331 (libbase): Fix building Icinga with -fvisibility=hidden
* Bug 12333 (Notifications): Incorrect downtime notification events
* Bug 12334 (libbase): Handle I/O errors while writing the Icinga state file more gracefully
* Bug 12390 (libbase): Disallow casting "" to an Object
* Bug 12391 (libbase): Don't violate POSIX by ensuring that the argument to usleep(3) is less than 1000000
* Bug 12395 (libicinga): Flexible downtimes should be removed after trigger_time+duration
* Bug 12401 (DB IDO): Fixed downtime start does not update actual_start_time
* Bug 12402 (Notifications): Notification resent, even if interval = 0
* Bug 12404 (Notifications): Add log message if notifications are forced (i.e. filters are not checked)
* Bug 12409 (Configuration): 'use' keyword cannot be used with templates
* Bug 12416 (Documentation): The description for the http_certificate attribute doesn't have the right default value
* Bug 12417 (DB IDO): IDO does duplicate config updates
* Bug 12418 (DB IDO): IDO marks objects as inactive on shutdown
* Bug 12422 (CLI): pki sign-csr does not log where it is writing the certificate file
* Bug 12425 (libicinga): CompatUtility::GetCheckableNotificationStateFilter is returning an incorrect value
* Bug 12428 (DB IDO): Fix the "ido" check command for use with command_endpoint
* Bug 12430 (DB IDO): ido CheckCommand returns returns "Could not connect to database server" when HA enabled
* Bug 12432 (Cluster): Only allow sending command_endpoint checks to directly connected child zones
* Bug 12438 (libbase): Replace GetType()->GetName() calls with GetReflectionType()->GetName()
* Bug 12442 (Documentation): Missing documentation for "legacy-timeperiod" template
* Bug 12452 (Installation): Remove unused functions from icinga-installer
* Bug 12453 (libbase): Use hash-based serial numbers for new certificates
* Bug 12454 (API): API: action schedule-downtime requires a duration also when fixed is true
* Bug 12458 (DB IDO): Insert fails for the icinga_scheduleddowntime table due to duplicate key
* Bug 12459 (DB IDO): Query for customvariablestatus incorrectly updates the host's/service's insert ID
* Bug 12460 (Cluster): DB IDO started before daemonizing (no systemd)
* Bug 12461 (DB IDO): IDO query fails due to key contraint violation for the icinga_customvariablestatus table
* Bug 12464 (API): API: events for DowntimeTriggered does not provide needed information
* Bug 12473 (Documentation): Docs: API example uses wrong attribute name
* Bug 12474 (libmethods): ClrCheck is null on *nix
* Bug 12475 (Cluster): Incorrect certificate validation error message
* Bug 12487 (Configuration): Memory leak when using closures
* Bug 12488 (Documentation): Typo in Notification object documentation
### What's New in Version 2.4.10
#### Bugfixes
* Bug 11812 (Checker): Checker component doesn't execute any checks for command_endpoint
### What's New in Version 2.4.9
#### Changes
This release fixes a number of issues introduced in 2.4.8.
#### Bugfixes
* Bug 11801 (Perfdata): Error: Function call 'rename' for file '/var/spool/icinga2/tmp/service-perfdata' failed with error code 2, 'No such file or directory'
* Bug 11804 (Configuration): Segfault when trying to start 2.4.8
* Bug 11807 (Compat): Command Pipe thread 100% CPU Usage
### What's New in Version 2.4.8
#### Changes
* Bugfixes
* Support for limiting the maximum number of concurrent checks (new configuration option)
* HA-aware features now wait for connected cluster nodes in the same zone (e.g. DB IDO)
* The 'icinga' check now alerts on failed reloads
#### Feature
* Feature 8137 (Checker): Maximum concurrent service checks
* Feature 9236 (Perfdata): PerfdataWriter: Better failure handling for file renames across file systems
* Feature 9997 (libmethods): "icinga" check should have state WARNING when the last reload failed
* Feature 10581 (ITL): Provide icingacli in the ITL
* Feature 11556 (libbase): Add support for subjectAltName in SSL certificates
* Feature 11651 (CLI): Implement SNI support for the CLI commands
* Feature 11720 (ITL): 'disk' CheckCommand: Exclude 'cgroup' and 'tracefs' by default
* Feature 11748 (Cluster): Remove unused cluster commands
* Feature 11765 (Cluster): Only activate HARunOnce objects once there's a cluster connection
* Feature 11768 (Documentation): Add the category to the generated changelog
#### Bugfixes
* Bug 9989 (Configuration): Service apply without name possible
* Bug 10426 (libicinga): Icinga crashes with a segfault on receiving a lot of check results for nonexisting hosts/services
* Bug 10717 (Configuration): Comments and downtimes of deleted checkable objects are not deleted
* Bug 11046 (Cluster): Icinga2 agent gets stuck after disconnect and won't relay messages
* Bug 11112 (Compat): Empty author/text attribute for comment/downtimes external commands causing crash
* Bug 11147 (libicinga): "day -X" time specifications are parsed incorrectly
* Bug 11158 (libicinga): Crash with empty ScheduledDowntime 'ranges' attribute
* Bug 11374 (API): Icinga2 API: deleting service with cascade=1 does not delete dependant notification
* Bug 11390 (Compat): Command pipe overloaded: Can't send external Icinga command to the local command file
* Bug 11396 (API): inconsistent API /v1/objects/* response for PUT requests
* Bug 11589 (libicinga): notification sent out during flexible downtime
* Bug 11645 (Documentation): Incorrect chapter headings for Object#to_string and Object#type
* Bug 11646 (Configuration): Wrong log severity causes segfault
* Bug 11686 (API): Icinga Crash with the workflow Create_Host-> Downtime for the Host -> Delete Downtime -> Remove Host
* Bug 11711 (libicinga): Expired downtimes are not removed
* Bug 11714 (libbase): Crash in UnameHelper
* Bug 11742 (Documentation): Missing documentation for event commands w/ execution bridge
* Bug 11757 (API): API: Missing error handling for invalid JSON request body
* Bug 11767 (DB IDO): Ensure that program status updates are immediately updated in DB IDO
* Bug 11779 (API): Incorrect variable names for joined fields in filters
### What's New in Version 2.4.7
#### Bugfixes
* Bug 11639: Crash in IdoMysqlConnection::ExecuteMultipleQueries
### What's New in Version 2.4.6
#### Feature
* Feature 11638: Update RELEASE.md
#### Bugfixes
* Bug 11628: Docs: Zone attribute 'endpoints' is an array
* Bug 11634: Icinga 2 fails to build on Ubuntu Xenial
* Bug 11635: Failed assertion in IdoPgsqlConnection::FieldToEscapedString
### What's New in Version 2.4.5
#### Changes
* Windows Installer changed from NSIS to MSI
* New configuration attribute for hosts and services: check_timeout (overrides the CheckCommand's timeout when set)
* ITL updates
* Lots of bugfixes
#### Feature
* Feature 9283: Implement support for overriding check command timeout
* Feature 9618: Add Windows setup wizard screenshots
* Feature 11098: Add --method parameter for check_{oracle,mysql,mssql}_health CheckCommands
* Feature 11194: Add --units, --rate and --rate-multiplier support for the snmpv3 check command
* Feature 11399: Update .mailmap for Markus Frosch
* Feature 11437: Add silent install / reference to NSClient++ to documentation
* Feature 11449: Build 64-bit packages for Windows
* Feature 11473: Update NSClient++ to version 0.4.4.19
* Feature 11474: Install 64-bit version of NSClient++ on 64-bit versions of Windows
* Feature 11585: Make sure to update the agent wizard banner
* Feature 11587: Update chocolatey uninstall script for the MSI package
#### Bugfixes
* Bug 9249: logrotate fails since the "su" directive was removed
* Bug 10624: Add application manifest for the Windows agent wizard
* Bug 10843: DB IDO: downtime is not in effect after restart
* Bug 11106: Too many assign where filters cause stack overflow
* Bug 11224: Socket Exceptions (Operation not permitted) while reading from API
* Bug 11227: Downtimes and Comments are not synced to child zones
* Bug 11258: Incorrect base URL in the icinga-rpm-release packages for Fedora
* Bug 11336: Use retry_interval instead of check_interval for first OK -> NOT-OK state change
* Bug 11347: Symlink subfolders not followed/considered for config files
* Bug 11382: Downtimes are not always activated/expired on restart
* Bug 11384: Remove dependency for .NET 3.5 from the chocolatey package
* Bug 11387: IDO: historical contact notifications table column notification_id is off-by-one
* Bug 11402: Explain how to use functions for wildcard matches for arrays and/or dictionaries in assign where expressions
* Bug 11407: Docs: Remove the migration script chapter
* Bug 11434: Config validation for Notification objects should check whether the state filters are valid
* Bug 11435: Icinga 2 Windows Agent does not honor install path during upgrade
* Bug 11438: Remove semi-colons in the auto-generated configs
* Bug 11439: Update the CentOS installation documentation
* Bug 11440: Docs: Cluster manual SSL generation formatting is broken
* Bug 11455: ConfigSync broken from 2.4.3. to 2.4.4 under Windows
* Bug 11462: Error compiling icinga2 targeted for x64 on Windows
* Bug 11475: FatalError() returns when called before Application.Run
* Bug 11482: API User gets wrongly authenticated (client_cn and no password)
* Bug 11484: Overwriting global type variables causes crash in ConfigItem::Commit()
* Bug 11494: Update documentation URL for Icinga Web 2
* Bug 11522: Make the socket event engine configurable
* Bug 11534: DowntimesExpireTimerHandler crashes Icinga2 with <unknown function>
* Bug 11542: make install overwrites configuration files
* Bug 11559: Segfault during config validation if host exists, service does not exist any longer and downtime expires
* Bug 11564: Incorrect link in the documentation
* Bug 11567: Navigation attributes are missing in /v1/objects/<type>
* Bug 11574: Package fails to build on *NIX
* Bug 11577: Compiler warning in NotifyActive
* Bug 11582: icinga2 crashes when a command_endpoint is set, but the api feature is not active
* Bug 11586: icinga2-installer.exe doesn't wait until NSIS uninstall.exe exits
* Bug 11592: Remove instance_name from Ido*Connection example
* Bug 11610: Windows installer does not copy "features-enabled" on upgrade
* Bug 11617: Vim Syntax Highlighting does not work with assign where
### What's New in Version 2.4.4
#### Feature
* Feature 10358: ITL: Allow to enforce specific SSL versions using the http check command
* Feature 11205: Add "query" option to check_postgres command.
#### Bugfixes
* Bug 9642: Flapping notifications are sent for hosts/services which are in a downtime
* Bug 9969: Problem notifications while Flapping is active
* Bug 10225: Host notification type is PROBLEM but should be RECOVERY
* Bug 10231: MkDirP not working on Windows
* Bug 10766: DB IDO: User notification type filters are incorrect
* Bug 10770: Status code 200 even if an object could not be deleted.
* Bug 10795: http check's URI is really just Path
* Bug 10976: Explain how to join hosts/services for /v1/objects/comments
* Bug 11107: ITL: Missing documentation for nwc_health "mode" parameter
* Bug 11159: Common name in node wizard isn't case sensitive
* Bug 11208: CMake does not find MySQL libraries on Windows
* Bug 11209: Wrong log message for trusted cert in node setup command
* Bug 11240: DEL_DOWNTIME_BY_HOST_NAME does not accept optional arguments
* Bug 11248: Active checks are executed even though passive results are submitted
* Bug 11257: Incorrect check interval when passive check results are used
* Bug 11273: Services status updated multiple times within check_interval even though no retry was triggered
* Bug 11289: epoll_ctl might cause oops on Ubuntu trusty
* Bug 11320: Volatile transitions from HARD NOT-OK->NOT-OK do not trigger notifications
* Bug 11328: Typo in API docs
* Bug 11331: Update build requirements for SLES 11 SP4
* Bug 11349: 'icinga2 feature list' fails when all features are disabled
* Bug 11350: Docs: Add API examples for creating services and check commands
* Bug 11352: Segmentation fault during 'icinga2 daemon -C'
* Bug 11369: Chocolatey package is missing uninstall function
* Bug 11385: Update development docs to use 'thread apply all bt full'
### What's New in Version 2.4.3
#### Bugfixes
* Bug 11211: Permission problem after running icinga2 node wizard
* Bug 11212: Wrong permissions for files in /var/cache/icinga2/*
### What's New in Version 2.4.2
#### Changes
* ITL
Additional arguments for check_disk
Fix incorrect path for the check_hpasm plugin
New command: check_iostat
Fix incorrect variable names for the check_impi plugin
* Cluster
Improve cluster performance
Fix connection handling problems (multiple connections for the same endpoint)
* Performance improvements for the DB IDO modules
* Lots and lots of various other bugfixes
* Documentation updates
#### Feature
* Feature 10660: Add CMake flag for disabling the unit tests
* Feature 10777: Add check_iostat to ITL
* Feature 10787: Add "-x" parameter in command definition for disk-windows CheckCommand
* Feature 10807: Raise a config error for "Checkable" objects in global zones
* Feature 10857: DB IDO: Add a log message when the connection handling is completed
* Feature 10860: Log DB IDO query queue stats
* Feature 10880: "setting up check plugins" section should be enhanced with package manager examples
* Feature 10920: Add Timeout parameter to snmpv3 check
* Feature 10947: Add example how to use custom functions in attributes
* Feature 10964: Troubleshooting: Explain how to fetch the executed command
* Feature 10988: Support TLSv1.1 and TLSv1.2 for the cluster transport encryption
* Feature 11037: Add String#trim
* Feature 11138: Checkcommand Disk : Option Freespace-ignore-reserved
#### Bugfixes
* Bug 7287: Re-checks scheduling w/ retry_interval
* Bug 8714: Add priority queue for disconnect/programstatus update events
* Bug 8976: DB IDO: notification_id for contact notifications is out of range
* Bug 10226: Icinga2 reload timeout results in killing old and new process because of systemd
* Bug 10449: Livestatus log query - filter "class" yields empty results
* Bug 10458: Incorrect SQL command for creating the user of the PostgreSQL DB for the IDO
* Bug 10460: A PgSQL DB for the IDO can't be created w/ UTF8
* Bug 10497: check_memory and check_swap plugins do unit conversion and rounding before percentage calculations resulting in imprecise percentages
* Bug 10544: check_network performance data in invalid format
* Bug 10554: Non-UTF8 characters from plugins causes IDO to fail
* Bug 10655: API queries cause memory leaks
* Bug 10700: Crash in ExternalCommandListener
* Bug 10711: Zone::CanAccessObject is very expensive
* Bug 10713: ApiListener::ReplayLog can block with a lot of clients
* Bug 10714: API is not working on wheezy
* Bug 10724: Remove the local zone name question in node wizard
* Bug 10728: node wizard does not remember user defined port
* Bug 10736: Missing num_hosts_pending in /v1/status/CIB
* Bug 10739: Crash on startup with incorrect directory permissions
* Bug 10744: build of icinga2 with gcc 4.4.7 segfaulting with ido
* Bug 10745: ITL check command possibly mistyped variable names
* Bug 10748: Missing path in mkdir() exceptions
* Bug 10760: Disallow lambda expressions where side-effect-free expressions are not allowed
* Bug 10765: Avoid duplicate config and status updates on startup
* Bug 10773: chcon partial context error in safe-reload prevents reload
* Bug 10779: Wrong postgresql-setup initdb command for RHEL7
* Bug 10780: The hpasm check command is using the PluginDir constant
* Bug 10784: Incorrect information in --version on Linux
* Bug 10806: Missing SUSE repository for monitoring plugins documentation
* Bug 10817: Failed IDO query for icinga_downtimehistory
* Bug 10818: Use NodeName in null and random checks
* Bug 10819: Cluster config sync ignores zones.d from API packages
* Bug 10824: Windows build fails with latest git master
* Bug 10825: Missing documentation for API packages zones.d config sync
* Bug 10826: Build error with older CMake versions on VERSION_LESS compare
* Bug 10828: Relative path in include_zones does not work
* Bug 10829: IDO breaks when writing to icinga_programstatus with latest snapshots
* Bug 10830: Config validation doesn't fail when templates are used as object names
* Bug 10852: Formatting problem in "Advanced Filter" chapter
* Bug 10855: Implement support for re-ordering groups of IDO queries
* Bug 10862: Evaluate if CanExecuteQuery/FieldToEscapedString lead to exceptions on !m_Connected
* Bug 10867: "repository add" cli command writes invalid "type" attribute
* Bug 10883: Icinga2 crashes in IDO when removing a comment
* Bug 10890: Remove superfluous #ifdef
* Bug 10891: is_active in IDO is only re-enabled on "every second" restart
* Bug 10908: Typos in the "troubleshooting" section of the documentation
* Bug 10923: API actions: Decide whether fixed: false is the right default
* Bug 10931: Exception stack trace on icinga2 client when the master reloads the configuration
* Bug 10932: Cluster config sync: Ensure that /var/lib/icinga2/api/zones/* exists
* Bug 10935: Logrotate on systemd distros should use systemctl not service
* Bug 10948: Icinga state file corruption with temporary file creation
* Bug 10956: Compiler warnings in lib/remote/base64.cpp
* Bug 10959: Better explaination for array values in "disk" CheckCommand docs
* Bug 10963: high load and memory consumption on icinga2 agent v2.4.1
* Bug 10968: Race condition when using systemd unit file
* Bug 10974: Modified attributes do not work for the IcingaApplication object w/ external commands
* Bug 10979: Mistake in mongodb command definition (mongodb_replicaset)
* Bug 10981: Incorrect name in AUTHORS
* Bug 10989: Escaped sequences not properly generated with 'node update-config'
* Bug 10991: Stream buffer size is 512 bytes, could be raised
* Bug 10998: Incorrect IdoPgSqlConnection Example in Documentation
* Bug 11006: Segfault in ApiListener::ConfigUpdateObjectAPIHandler
* Bug 11014: Check event duplication with parallel connections involved
* Bug 11019: next_check noise in the IDO
* Bug 11020: Master reloads with agents generate false alarms
* Bug 11065: Deleting an object via API does not disable it in DB IDO
* Bug 11074: Partially missing escaping in doc/7-icinga-template-library.md
* Bug 11075: Outdated link to icingaweb2-module-nagvis
* Bug 11083: Ensure that config sync updates are always sent on reconnect
* Bug 11085: Crash in ConfigItem::RunWithActivationContext
* Bug 11088: API queries on non-existant objects cause exception
* Bug 11096: Windows build fails on InterlockedIncrement type
* Bug 11103: Problem with hostgroup_members table cleanup
* Bug 11111: Clean up unused variables a bit
* Bug 11118: Cluster WQ thread dies after fork()
* Bug 11122: Connections are not cleaned up properly
* Bug 11132: YYYY-MM-DD time specs are parsed incorrectly
* Bug 11178: Documentation: Unescaped pipe character in tables
* Bug 11179: CentOS 5 doesn't support epoll_create1
* Bug 11204: "node setup" tries to chown() files before they're created
### What's New in Version 2.4.1
#### Changes
* ITL
* Add running_kernel_use_sudo option for the running_kernel check
* Configuration
* Add global constants: `PlatformName`. `PlatformVersion`, `PlatformKernel` and `PlatformKernelVersion`
* CLI
* Use NodeName and ZoneName constants for 'node setup' and 'node wizard'
#### Feature
* Feature 10622: Add by_ssh_options argument for the check_by_ssh plugin
* Feature 10693: Add running_kernel_use_sudo option for the running_kernel check
* Feature 10716: Use NodeName and ZoneName constants for 'node setup' and 'node wizard'
#### Bugfixes
* Bug 10528: Documentation example in "Access Object Attributes at Runtime" doesn't work correctly
* Bug 10615: Build fails on SLES 11 SP3 with GCC 4.8
* Bug 10632: "node wizard" does not ask user to verify SSL certificate
* Bug 10641: API setup command incorrectly overwrites existing certificates
* Bug 10643: Icinga 2 crashes when ScheduledDowntime objects are used
* Bug 10645: Documentation for schedule-downtime is missing required paremeters
* Bug 10648: lib/base/process.cpp SIGSEGV on Debian squeeze / RHEL 6
* Bug 10661: Incorrect web inject URL in documentation
* Bug 10663: Incorrect redirect for stderr in /usr/lib/icinga2/prepare-dirs
* Bug 10667: Indentation in command-plugins.conf
* Bug 10677: node wizard checks for /var/lib/icinga2/ca directory but not the files
* Bug 10690: CLI command 'repository add' doesn't work
* Bug 10692: Fix typos in the documentation
* Bug 10708: Windows setup wizard crashes when InstallDir registry key is not set
* Bug 10710: Incorrect path for icinga2 binary in development documentation
* Bug 10720: Remove --master_zone from --help because it is currently not implemented
### What's New in Version 2.4.0
#### Changes
* API
* RESTful API with basic auth or client certificates
* Filters, types, permissions
* configuration package management
* query/create/modify/delete config objects at runtime
* status queries for global stats
* actions (e.g. acknowledge all service problems)
* event streams
* ITL and Plugin Check Command definitions
* The 'running_kernel' check command was moved to the plugins-contrib section. You have to update your config to include 'plugins-contrib'
* Configuration
* The global constants Enable* and Vars have been removed. Use the IcingaApplication object attributes instead.
* Features
* New Graphite tree. Please check the documentation how enable the legacy schema.
* IcingaStatusWriter feature has been deprecated and will be removed in future versions.
* Modified attributes are not exposed as bit mask to external interfaces anymore (api related changes). External commands like CHANGE_*_MODATTR have been removed.
#### Feature
* Feature 7709: Validators should be implemented in (auto-generated) native code
* Feature 8093: Add icinga, cluster, cluster-zone check information to the ApiListener status handler
* Feature 8149: graphite writer should pass "-" in host names and "." in perf data
* Feature 8666: Allow some of the Array and Dictionary methods to be inlined by the compiler
* Feature 8688: Add embedded DB IDO version health check
* Feature 8689: Add support for current and current-1 db ido schema version
* Feature 8690: 'icinga2 console' should serialize temporary attributes (rather than just config + state)
* Feature 8738: Implement support for CLIENT_MULTI_STATEMENTS
* Feature 8741: Deprecate IcingaStatusWriter feature
* Feature 8775: Move the base command templates into libmethods
* Feature 8776: Implement support for libedit
* Feature 8791: Refactor the startup process
* Feature 8832: Implement constructor-style casts
* Feature 8842: Add support for the C++11 keyword 'override'
* Feature 8867: Use DebugHint information when reporting validation errors
* Feature 8890: Move implementation code from thpp files into separate files
* Feature 8922: Avoid unnecessary dictionary lookups
* Feature 9044: Remove the ScopeCurrent constant
* Feature 9068: Implement sandbox mode for the config parser
* Feature 9074: Basic API framework
* Feature 9076: Reflection support for the API
* Feature 9077: Implement filters for the API
* Feature 9078: Event stream support for the API
* Feature 9079: Implement status queries for the API
* Feature 9080: Add commands (actions) for the API
* Feature 9081: Add modified attribute support for the API
* Feature 9082: Runtime configuration for the API
* Feature 9083: Configuration file management for the API
* Feature 9084: Enable the ApiListener by default
* Feature 9085: Certificate-based authentication for the API
* Feature 9086: Password-based authentication for the API
* Feature 9087: Create default administrative user
* Feature 9088: API permissions
* Feature 9091: API status queries
* Feature 9093: Changelog for modified attributes
* Feature 9095: Disallow changes for certain config attributes at runtime
* Feature 9096: Dependency tracking for objects
* Feature 9098: Update modules to support adding and removing objects at runtime
* Feature 9099: Implement support for writing configuration files
* Feature 9100: Multiple sources for zone configuration tree
* Feature 9101: Commands for adding and removing objects
* Feature 9102: Support validating configuration changes
* Feature 9103: Staging for configuration validation
* Feature 9104: Implement config file management commands
* Feature 9105: API Documentation
* Feature 9175: Move 'running_kernel' check command to plugins-contrib 'operating system' section
* Feature 9286: DB IDO/Livestatus: Add zone object table w/ endpoint members
* Feature 9414: "-Wno-deprecated-register" compiler option breaks builds on SLES 11
* Feature 9447: Implement support for HTTP
* Feature 9448: Define RESTful url schema
* Feature 9461: New Graphite schema
* Feature 9470: Implement URL parser
* Feature 9471: Implement ApiUser type
* Feature 9594: Implement base64 de- and encoder
* Feature 9614: Register ServiceOK, ServiceWarning, HostUp, etc. as constants
* Feature 9647: Move url to /lib/remote from /lib/base
* Feature 9689: Add exceptions for Utility::MkDir{,P}
* Feature 9693: Add Array::FromVector() method
* Feature 9698: Implement support for X-HTTP-Method-Override
* Feature 9704: String::Trim() should return a new string rather than modifying the current string
* Feature 9705: Add real path sanity checks to provided file paths
* Feature 9723: Documentation for config management API
* Feature 9768: Update the url parsers behaviour
* Feature 9777: Make Comments and Downtime types available as ConfigObject type in the API
* Feature 9794: Setting global variables with i2tcl doesn't work
* Feature 9849: Validation for modified attributes
* Feature 9850: Re-implement events for attribute changes
* Feature 9851: Remove GetModifiedAttributes/SetModifiedAttributes
* Feature 9852: Implement support for . in modify_attribute
* Feature 9859: Implement global modified attributes
* Feature 9866: Implement support for attaching GDB to the Icinga process on crash
* Feature 9914: Rename DynamicObject/DynamicType to ConfigObject/ConfigType
* Feature 9919: Allow comments when parsing JSON
* Feature 9921: Implement the 'base' field for the Type class
* Feature 9926: Ensure that runtime config objects are persisted on disk
* Feature 9927: Figure out how to sync dynamically created objects inside the cluster
* Feature 9929: Add override keyword for all relevant methods
* Feature 9930: Document Object#clone
* Feature 9931: Implement Object#clone and rename Array/Dictionary#clone to shallow_clone
* Feature 9933: Implement support for indexers in ConfigObject::RestoreAttribute
* Feature 9935: Implement support for restoring modified attributes
* Feature 9937: Add package attribute for ConfigObject and set its origin
* Feature 9940: Implement support for filter_vars
* Feature 9944: Add String::ToLower/ToUpper
* Feature 9946: Remove debug messages in HttpRequest class
* Feature 9953: Rename config/modules to config/packages
* Feature 9960: Implement ignore_on_error keyword
* Feature 10017: Use an AST node for the 'library' keyword
* Feature 10038: Add plural_name field to /v1/types
* Feature 10039: URL class improvements
* Feature 10042: Implement a demo API client: Icinga Studio
* Feature 10060: Implement joins for status queries
* Feature 10116: Add global status handler for the API
* Feature 10186: Make ConfigObject::{G,S}etField() method public
* Feature 10194: Sanitize error status codes and messages
* Feature 10202: Add documentation for api-users.conf and app.conf
* Feature 10209: Rename statusqueryhandler to objectqueryhandler
* Feature 10212: Move /v1/<type> to /v1/objects/<type>
* Feature 10243: Provide keywords to retrieve the current file name at parse time
* Feature 10257: Change object version to timestamps for diff updates on config sync
* Feature 10329: Pretty-print arrays and dictionaries when converting them to strings
* Feature 10368: Document that modified attributes require accept_config for cluster/clients
* Feature 10374: Add check command nginx_status
* Feature 10383: DB IDO should provide its connected state via /v1/status
* Feature 10385: Add 'support' tracker to changelog.py
* Feature 10387: Use the API for "icinga2 console"
* Feature 10388: Log a warning message on unauthorized http request
* Feature 10392: Original attributes list in IDO
* Feature 10393: Hide internal attributes
* Feature 10394: Add getter for endpoint 'connected' attribute
* Feature 10407: Remove api.cpp, api.hpp
* Feature 10409: Add documentation for apply+for in the language reference chapter
* Feature 10423: Ability to set port on SNMP Checks
* Feature 10431: Add the name for comments/downtimes next to legacy_id to DB IDO
* Feature 10441: Rewrite man page
* Feature 10479: Use ZoneName variable for parent_zone in node update-config
* Feature 10482: Documentation: Reorganize Livestatus and alternative frontends
* Feature 10503: Missing parameters for check jmx4perl
* Feature 10507: Add check command negate
* Feature 10509: Change GetLastStateUp/Down to host attributes
* Feature 10511: Add check command mysql
* Feature 10513: Add ipv4/ipv6 only to tcp and http CheckCommand
* Feature 10522: Change output format for 'icinga2 console'
* Feature 10547: Icinga 2 script debugger
* Feature 10548: Implement CSRF protection for the API
* Feature 10549: Change 'api setup' into a manual step while configuring the API
* Feature 10551: Change object query result set
* Feature 10566: Enhance programmatic examples for the API docs
* Feature 10574: Mention wxWidget (optional) requirement in INSTALL.md
* Feature 10575: Documentation for /v1/console
* Feature 10576: Explain variable names for joined objects in filter expressions
* Feature 10577: Documentation for the script debugger
* Feature 10591: Explain DELETE for config stages/packages
* Feature 10630: Update wxWidgets documentation for Icinga Studio
#### Bugfixes
* Bug 8822: Update OpenSSL for the Windows builds
* Bug 8823: Don't allow users to instantiate the StreamLogger class
* Bug 8830: Make default notifications include users from host.vars.notification.mail.users
* Bug 8865: Failed assertion in IdoMysqlConnection::FieldToEscapedString
* Bug 8907: Validation fails even though field is not required
* Bug 8924: Specify pidfile for status_of_proc in the init script
* Bug 8952: Crash in VMOps::FunctionCall
* Bug 8989: pgsql driver does not have latest mysql changes synced
* Bug 9015: Compiler warnings with latest HEAD 5ac5f98
* Bug 9027: PostgreSQL schema sets default timestamps w/o time zone
* Bug 9053: icinga demo module can not be built
* Bug 9188: Remove incorrect 'ignore where' expression from 'ssh' apply example
* Bug 9455: Fix incorrect datatype for the check_source column in icinga_statehistory table
* Bug 9547: Wrong vars changed handler in api events
* Bug 9576: Overflow in freshness_threshold column (smallint) w/ DB IDO MySQL
* Bug 9590: 'node wizard/setup' should always generate new CN certificates
* Bug 9703: Problem with child nodes in http url registry
* Bug 9735: Broken cluster config sync w/o include_zones
* Bug 9778: Accessing field ID 0 ("prototype") fails
* Bug 9793: Operator - should not work with "" and numbers
* Bug 9795: ScriptFrame's 'Self' attribute gets corrupted when an expression throws an exception
* Bug 9813: win32 build: S_ISDIR is undefined
* Bug 9843: console autocompletion should take into account parent classes' prototypes
* Bug 9868: Crash in ScriptFrame::~ScriptFrame
* Bug 9872: Color codes in console prompt break line editing
* Bug 9876: Crash during cluster log replay
* Bug 9879: Missing conf.d or zones.d cause parse failure
* Bug 9911: Do not let API users create objects with invalid names
* Bug 9966: Fix formatting in mkclass
* Bug 9968: Implement support for '.' when persisting modified attributes
* Bug 9987: Crash in ConfigCompiler::RegisterZoneDir
* Bug 10008: Don't parse config files for branches not taken
* Bug 10012: Unused variable 'dobj' in configobject.tcpp
* Bug 10024: HTTP keep-alive does not work with .NET WebClient
* Bug 10027: Filtering by name doesn't work
* Bug 10034: Unused variable console_type in consolecommand.cpp
* Bug 10041: build failure: demo module
* Bug 10048: Error handling in HttpClient/icinga-studio
* Bug 10110: Add object_id where clause for icinga_downtimehistory
* Bug 10180: API actions do not follow REST guidelines
* Bug 10198: Detect infinite recursion in user scripts
* Bug 10210: Move the Collection status handler to /v1/status
* Bug 10211: PerfdataValue is not properly serialised in status queries
* Bug 10224: URL parser is cutting off last character
* Bug 10234: ASCII NULs don't work in string values
* Bug 10238: Use a temporary file for modified-attributes.conf updates
* Bug 10241: Properly encode URLs in Icinga Studio
* Bug 10249: Config Sync shouldn't send updates for objects the client doesn't have access to
* Bug 10253: /v1/objects/<type> returns an HTTP error when there are no objects of that type
* Bug 10255: Config sync does not set endpoint syncing and plays disconnect-sync ping-pong
* Bug 10256: ConfigWriter::EmitValue should format floating point values properly
* Bug 10326: icinga2 repository host add does not work
* Bug 10350: Remove duplicated text in section "Apply Notifications to Hosts and Services"
* Bug 10355: Version updates are not working properly
* Bug 10360: Icinga2 API performance regression
* Bug 10371: Ensure that modified attributes work with clients with local config and no zone attribute
* Bug 10386: restore_attribute does not work in clusters
* Bug 10403: Escaping $ not documented
* Bug 10406: Misleading wording in generated zones.conf
* Bug 10410: OpenBSD: hang during ConfigItem::ActivateItems() in daemon startup
* Bug 10417: 'which' isn't available in a minimal CentOS container
* Bug 10422: Changing a group's attributes causes duplicate rows in the icinga_*group_members table
* Bug 10433: 'dig_lookup' custom attribute for the 'dig' check command isn't optional
* Bug 10436: Custom variables aren't removed from the IDO database
* Bug 10439: "Command options" is empty when executing icinga2 without any argument.
* Bug 10440: Improve --help output for the --log-level option
* Bug 10455: Improve error handling during log replay
* Bug 10456: Incorrect attribute name in the documentation
* Bug 10457: Don't allow scripts to access FANoUserView attributes in sandbox mode
* Bug 10461: Line continuation is broken in 'icinga2 console'
* Bug 10466: Crash in IndexerExpression::GetReference when attempting to set an attribute on an object other than the current one
* Bug 10473: IDO tries to execute empty UPDATE queries
* Bug 10491: Unique constraint violation with multiple comment inserts in DB IDO
* Bug 10495: Incorrect JSON-RPC message causes Icinga 2 to crash
* Bug 10498: IcingaStudio: Accessing non-ConfigObjects causes ugly exception
* Bug 10501: Plural name rule not treating edge case correcly
* Bug 10504: Increase the default timeout for OS checks
* Bug 10508: Figure out whether we need the Checkable attributes state_raw, last_state_raw, hard_state_raw
* Bug 10510: CreatePipeOverlapped is not thread-safe
* Bug 10512: Mismatch on {comment,downtime}_id vs internal name in the API
* Bug 10517: Circular reference between *Connection and TlsStream objects
* Bug 10518: Crash in ConfigWriter::GetKeywords
* Bug 10527: Fix indentation for Dictionary::ToString
* Bug 10529: Change session_token to integer timestamp
* Bug 10535: Spaces do not work in command arguments
* Bug 10538: Crash in ConfigWriter::EmitIdentifier
* Bug 10539: Don't validate custom attributes that aren't strings
* Bug 10540: Async mysql queries aren't logged in the debug log
* Bug 10545: Broken build - unresolved external symbol "public: void __thiscall icinga::ApiClient::ExecuteScript...
* Bug 10555: Don't try to use --gc-sections on Solaris
* Bug 10556: Update OpenSSL for the Windows builds
* Bug 10558: There's a variable called 'string' in filter expressions
* Bug 10559: Autocompletion doesn't work in the debugger
* Bug 10560: 'api setup' should create a user even when api feature is already enabled
* Bug 10561: 'remove-comment' action does not support filters
* Bug 10562: Documentation should not reference real host names
* Bug 10563: /v1/console should only use a single permission
* Bug 10568: Improve location information for errors in API filters
* Bug 10569: Icinga 2 API Docs
* Bug 10578: API call doesn't fail when trying to use a template that doesn't exist
* Bug 10580: Detailed error message is missing when object creation via API fails
* Bug 10583: modify_attribute: object cannot be cloned
* Bug 10588: Documentation for /v1/types
* Bug 10596: Deadlock in MacroProcessor::EvaluateFunction
* Bug 10601: Don't allow users to set state attributes via PUT
* Bug 10602: API overwrites (and then deletes) config file when trying to create an object that already exists
* Bug 10604: Group memberships are not updated for runtime created objects
* Bug 10629: Download URL for NSClient++ is incorrect
* Bug 10637: Utility::FormatErrorNumber fails when error message uses arguments
### What's New in Version 2.3.11
#### Changes
* Function for performing CIDR matches: cidr_match()
* New methods: String#reverse and Array#reverse
* New ITL command definitions: nwc_health, hpasm, squid, pgsql
* Additional arguments for ITL command definitions: by_ssh, dig, pop, spop, imap, simap
* Documentation updates
* Various bugfixes
#### Features
* Feature 9183: Add timestamp support for OpenTsdbWriter
* Feature 9466: Add FreeBSD setup to getting started
* Feature 9812: add check command for check_nwc_health
* Feature 9854: check_command for plugin check_hpasm
* Feature 10004: escape_shell_arg() method
* Feature 10006: Implement a way for users to resolve commands+arguments in the same way Icinga does
* Feature 10057: Command Execution Bridge: Use of same endpoint names in examples for a better understanding
* Feature 10109: Add check command squid
* Feature 10112: Add check command pgsql
* Feature 10129: Add ipv4/ipv6 only to nrpe CheckCommand
* Feature 10139: expand check command dig
* Feature 10142: Update debug docs for core dumps and full backtraces
* Feature 10157: Update graphing section in the docs
* Feature 10158: Make check_disk.exe CheckCommand Config more verbose
* Feature 10161: Improve documentation for check_memory
* Feature 10197: Implement the Array#reverse and String#reverse methods
* Feature 10207: Find a better description for cluster communication requirements
* Feature 10216: Clarify on cluster/client naming convention and add troubleshooting section
* Feature 10219: Add timeout argument for pop, spop, imap, simap commands
* Feature 10352: Improve timeperiod documentation
* Feature 10354: New method: cidr_match()
* Feature 10379: Add a debug log message for updating the program status table in DB IDO
#### Bugfixes
* Bug 8805: check cluster-zone returns wrong log lag
* Bug 9322: sending multiple Livestatus commands rejects all except the first
* Bug 10002: Deadlock in WorkQueue::Enqueue
* Bug 10079: Improve error message for socket errors in Livestatus
* Bug 10093: Rather use unique SID when granting rights for folders in NSIS on Windows Client
* Bug 10177: Windows Check Update -> Access denied
* Bug 10191: String methods cannot be invoked on an empty string
* Bug 10192: null + null should not be ""
* Bug 10199: Remove unnecessary MakeLiteral calls in SetExpression::DoEvaluate
* Bug 10204: Config parser problem with parenthesis and newlines
* Bug 10205: config checker reports wrong error on apply for rules
* Bug 10235: Deadlock in TlsStream::Close
* Bug 10239: Don't throw an exception when replaying the current replay log file
* Bug 10245: Percent character whitespace on Windows
* Bug 10254: Performance Data Labels including '=' will not be displayed correct
* Bug 10262: Don't log messages we've already relayed to all relevant zones
* Bug 10266: "Not after" value overflows in X509 certificates on RHEL5
* Bug 10348: Checkresultreader is unable to process host checks
* Bug 10349: Missing Start call for base class in CheckResultReader
* Bug 10351: Broken table layout in chapter 20
* Bug 10365: ApiListener::SyncRelayMessage doesn't send message to all zone members
* Bug 10377: Wrong connection log message for global zones
### What's New in Version 2.3.10
#### Features
* Feature 9218: Use the command_endpoint name as check_source value if defined
#### Bugfixes
* Bug 9244: String escape problem with PostgreSQL >= 9.1 and standard_conforming_strings=on
* Bug 10003: Nested "outer" macro calls fails on (handled) missing "inner" values
* Bug 10051: Missing fix for reload on Windows in 2.3.9
* Bug 10058: Wrong calculation for host compat state "UNREACHABLE" in DB IDO
* Bug 10074: Missing zero padding for generated CA serial.txt
### What's New in Version 2.3.9
#### Changes
* Fix that the first SOFT state is recognized as second SOFT state
* Implemented reload functionality for Windows
* New ITL check commands
* Documentation updates
* Various other bugfixes
#### Features
* Feature 9527: CheckCommand for check_interfaces
* Feature 9671: Add check_yum to ITL
* Feature 9675: Add check_redis to ITL
* Feature 9686: Update gdb pretty printer docs w/ Python 3
* Feature 9699: Adding "-r" parameter to the check_load command for dividing the load averages by the number of CPUs.
* Feature 9747: check_command for plugin check_clamd
* Feature 9796: Implement Dictionary#get and Array#get
* Feature 9801: Add check_jmx4perl to ITL
* Feature 9811: add check command for check_mailq
* Feature 9827: snmpv3 CheckCommand section improved
* Feature 9882: Implement the Dictionary#keys method
* Feature 9883: Use an empty dictionary for the 'this' scope when executing commands with Livestatus
* Feature 9985: add check command nscp-local-counter
* Feature 9996: Add new arguments openvmtools for Open VM Tools
#### Bugfixes
* Bug 8979: Missing DEL_DOWNTIME_BY_HOST_NAME command required by Classic UI 1.x
* Bug 9262: cluster check w/ immediate parent and child zone endpoints
* Bug 9623: missing config warning on empty port in endpoints
* Bug 9769: Set correct X509 version for certificates
* Bug 9773: Add log for missing EventCommand for command_endpoints
* Bug 9779: Trying to set a field for a non-object instance fails
* Bug 9782: icinga2 node wizard don't take zone_name input
* Bug 9806: Operator + is inconsistent when used with empty and non-empty strings
* Bug 9814: Build fix for Boost 1.59
* Bug 9835: Dict initializer incorrectly re-initializes field that is set to an empty string
* Bug 9860: missing check_perfmon.exe
* Bug 9867: Agent freezes when the check returns massive output
* Bug 9884: Warning about invalid API function icinga::Hello
* Bug 9897: First SOFT state is recognized as second SOFT state
* Bug 9902: typo in docs
* Bug 9912: check_command interfaces option match_aliases has to be boolean
* Bug 9913: Default disk checks on Windows fail because check_disk doesn't support -K
* Bug 9928: Add missing category for IDO query
* Bug 9947: Serial number field is not properly initialized for CA certificates
* Bug 9961: Don't re-download NSCP for every build
* Bug 9962: Utility::Glob on Windows doesn't support wildcards in all but the last path component