+2017-11-17, Version 5.8.0
+ * collectd: The core daemon is now completely licensed under the MIT
+ license.
+ * collectd: Added daemon option to avoid making BaseDir. Thanks to
+ Nathaniel Wesley Filardo and Florian Forster. #2422
+ * collectd: Global variables have been moved to their own module to make
+ porting collectd easier. Thanks to Sean Campbell. #2467
+ * collectd as well as Apache, memcached, OpenLDAP, Perl, RouterOS, SNMP,
+ Tail-CSV plugins: Free userdata for "plugin_register_complex_read()".
+ Thanks to Pavel Rochnyack. #2349
+ * Collectd client library: Added parsing and server code. Thanks to
+ Florian Forster. #2258
+ * Build system: Dependency on libltdl has been removed, support for
+ libtool 1 has been dropped. Thanks to Ruben Kerkhof. #1898
+ * Build system: The build system has been switched to non-recursive
+ make. Thanks to Ruben Kerkhof. #2085
+ * APC UPS plugin: The plugin's configuration is now optional. Without a
+ "<Plugin />" block reasonable defaults will be used. Thanks to Pavel
+ Rochnyack. #2351
+ * Chrony plugin: Several issues found when working with a stratum-1
+ server have been fixed. Thanks to Miroslav Lichvar. #2190
+ * Ceph plugin: Support for the Ceph version "Luminous" has been added.
+ Thanks to Aleksei Zakharov. #2464
+ * CPU plugin : Linux-specific "guest" states have been added. Thanks to
+ Xavier G. #2439
+ * cURL plugin, cURL-JSON, cURL-XML, DBI, FileCount, memcachec, Oracle,
+ PostgreSQL, Table, Tail, Tail CSV plugins: The ability to configure
+ the "plugin" field of generated metrics has been added. Thanks to
+ Pavel Rochnyack. #1944, #1681, #1558
+ * cURL-JSON plugin: Parsing of arrays has been fixed. Thanks to Florian
+ Forster. #2281
+ * DPDKEvents plugin: This new plugin reports link status and keep alive
+ events. Thanks to Maryam Tahhan, Harry van Haaren, Serhiy Pshyk,
+ Kim-Marie Jones, Krzysztof Matczak, Przemyslaw Szczerbik, Christian
+ Ehrhardt and Luca Boccassi. #2157, #2348, #2400, #2405, #2417
+ * DPDKStat plugin: The plugin has been refactored to make DPDK related
+ utility functions reusable. Thanks to Krzysztof Matczak, Przemyslaw
+ Szczerbik, Christian Ehrhardt and Luca Boccassi. #2130, #2348, #2400,
+ #2405, #2417
+ * DPDKStat plugin: The "LogLevel" and "RteDriverLibPath" config options
+ have been added. Thanks to Jiri Prokes. #2505
+ * Email plugin as well as Exec and Unixsock plugins: Use
+ "_SC_GETPW_R_SIZE_MAX". Thanks to Florian Forster. #2451
+ * FileCount plugin: Custom values for reported plugin, type and type
+ instance. Thanks to Pavel Rochnyack. #1979
+ * GenericJMX plugin: Support for "AtomicInteger" and "AtomicLong" has
+ been added. Thanks to Pierre Mauduit. #2158
+ * gRPC plugin: Support for meta data has been added. Thanks to Taylor
+ Cramer. #2378
+ * IPC plugin: Fixed failed compilation on AIX. Thanks to Pavel
+ Rochnyack. #2357
+ * Intel PMU plugin: This new plugin collects CPU performance metrics
+ using Intel's Performance Monitoring Unit (PMU). Scaling information
+ added to metadata. Thanks to Serhiy Pshyk and Roman Korynkevych.
+ #2276, #2398, #2374
+ * Intel RDT plugin: Support for collectd's logging infrastructure has
+ been added. PQoS monitoring groups are being reset on start-up to fix
+ potential previous unclean shutdowns. Thanks to Roman Korynkevych.
+ #2089.
+ * IPMI plugin: Support for System Event Log (SEL) has been added. Thanks
+ to Roman Korynkevych. #2091
+ * IPMI plugin: Support for remote IPMI controllers has been added.
+ Thanks to Pavel Rochnyack. #2024
+ * LVM plugin: A check for the "CAP_SYS_ADMIN" capability has been added.
+ This will give users an informative warning when the process is not
+ running with the required privileges for this plugin. Thanks to
+ Florian Forster. #2426, #2499
+ * mcelog plugin: This new plugin subscribes to Machine Check Exceptions
+ (MCE) and dispatches notifications. Metadata reset. Thanks to Maryam
+ Tahhan, Volodymyr Mytnyk, Taras Chornyi, Krzysztof Matczak and Roman
+ Korynkevych. #2003, #2246, #2380
+ * MQTT plugin: Add support for TLS in "Subscriber" blocks. Thanks to
+ Florian Forster. #2434
+ * memcached plugin: Persistent connections have been implemented. Fix
+ hit ratio reporting, add connections rate report. Thanks to Pavel
+ Rochnyack. #2388, #2385
+ * memcached plugin: The type of the "listen_disabled" metric has been
+ changed to "total_events". Thanks to Florian Forster. #2386, #2468
+ * Netlink plugin: The dropped packets metric has been added. Thanks to
+ Denys Fedoryshchenko. #2053
+ * NFS plugin: Support for NFS 4.2 metrics has been added. Thanks to
+ Marek Becka. #2369
+ * NFS plugin: Config options to ignore specified NFS versions have been
+ added. Thanks to Christian Bartolomäus. #2430
+ * NUT plugin: The "ConnectTimeout", "ForceSSL", "VerifyPeer" and
+ "CAPath" options have been added. Thanks to Pavel Rochnyack and Steven
+ Bell. #2145, #2354
+ * OpenLDAP plugin: A segfault after a connection failure has been fixed.
+ Thanks to Pavel Rochnyack. #2377
+ * Openvpn plugin: Added support for status files from latest OpenVPN-2.4
+ and possible from future versions. Thanks to Pavel Rochnyack. #2352
+ * OVS Events plugin: This new plugin reports link state changes from
+ Open vSwitch (OVS). Thanks to Volodymyr Mytnyk. #1971
+ * OVS Stats plugin: This new plugin reports bridge / interface
+ statistics from Open vSwitch (OVS). Thanks to Volodymyr Mytnyk and
+ Taras Chornyi. #2137
+ * Perl plugin: Bugfix, added check of proper interpreter initialization.
+ Thanks to Pavel Rochnyack. #2391
+ * PostgreSQL plugin: The plugin now sets the "application_name"
+ parameter when connecting to the database. Thanks to daniacs. #2497
+ * Processes plugin: The I/O operations reported for selected processes
+ has been fixed. The metric "ps_disk_octets" has been renamed to
+ "io_octets" because it actually contains the number of I/O operation
+ by the process, not just disk related I/O. Same for "io_ops"
+ (previously "ps_disk_ops"). The new metric "disk_octets" has been
+ added and is reporting disk I/O only. Add option to collect the count
+ of active memory maps for Linux processes. The "CollectFileDescriptor"
+ and "CollectContextSwitch" options have been added. Thanks to Pavel
+ Rochnyack and to Wilfried Goesgens. #2232, #2454, #1989
+ * Processes and TCPConns plugins: The OpenBSD implementation has been
+ changed to use "kvm_openfiles" with "KVM_NO_FILES". Thanks to Jeremie
+ Courreges-Anglas. #2061
+ * Python plugin: Extend Notification class to include metadata. Thanks
+ to Volodymyr Mytnyk. #2135
+ * Python plugin: The "CollectdException" class has been added. This
+ allows to throw an exception without a stack trace being logged.
+ Thanks to Sven Trenkel. #2330, #2346
+ * Sensors plugin: Support for (electrical) current has been added.
+ Thanks to Clemens Gruber. #2255
+ * SNMP plugin: Error handling has been improved: a potential double-free
+ is now avoided (potentially leaking memory) and handling of
+ non-failing subtrees has been fixed. Thanks to Pavel Rochnyack. #2449
+ * SNMP plugin: The "Timeout" and "Retries" config options have been
+ added. Thanks to Carlos Vicente. #1472, #2488
+ * SNMP Agent plugin: This new plugin implements an SNMP AgentX subagent
+ that receives and handles queries from SNMP master agent and returns
+ configured metrics. Thanks to Roman Korynkevych, Serhiy Pshyk and
+ Pavel Rochnyack. #2105, #2362
+ * Synproxy plugin: This new plugin provides statistics for Linux
+ SYNPROXY. Thanks to Marek Bečka. #2381
+ * Tail plugin: Allow the calculation of several distributions in one
+ "tail" instance through a "bucket" type. Thanks to Pavel Rochnyack.
+ #2442
+ * Turbostat plugin: Import "msr-index.h" header from Linux and better
+ support for mutliple packages. Thanks to Vincent Brillault. #2445,
+ #2446
+ * Uptime plugin: Changed implementation to read from "/proc/uptime"
+ instead of "/proc/stat". Update for Linux and AIX, uptime is read
+ directly using a system call. Update for BSD and Solaris, uptime is
+ calculated by subtracting boot time from current time. Thanks to Ivan
+ Kurnosov and Marcin Jurkowski. #2431, #2034
+ * UUID plugin: Support for libhal has been removed. Thanks to Ruben
+ Kerkhof. #2080
+ * Varnish plugin: Extended the varnish plugin with varnish-plus
+ counters. Fixed invalid data source type. Thanks to Denes Matetelki.
+ #2453, #2463
+ * virt plugin: The plugin has been updated to use
+ "virConnectListAllDomains()". Thanks to Denis Silakov. #2051
+ * virt plugin: Support for domain tags has been added. Thanks to
+ Francesco Romani. #2048
+ * virt plugin: Connection handling has been improved. Thanks to
+ Francesco Romani. #2100, #2101
+ * virt plugin: Many metrics have been added, including disk, hypervisor
+ CPU usage, performance monitoring events, domain state, CPU pinning
+ (affinity), file system, and job statistics. Thanks to Francesco
+ Romani and Przemyslaw Szczerbik. #2103, #2175, #2168
+ * Write Graphite plugin: Additional tests have been added. Thanks to
+ Florian Forster.
+ * Write HTTP plugin: The "Attribute" and "TTL" options for the KairosDB
+ format have been added. Implementation of "Prefix" option. Thanks to
+ jaroug, Denis Pompilio and Pavel Rochnyack. #2199, #2252, #2482
+ * Write MongoDB plugin: Memory leaks have been fixed. Thanks to
+ Saikrishna Arcot. #2307
+ * Write Prometheus plugin: Label values are now properly escaped. Thanks
+ to Florian Forster. #2035
+ * Write Redis plugin: Add "max_set_duration" to set duration for value.
+ Thanks to Tomofumi Hayashi. #2440
+ * Write Riemann plugin: Export times with microsecond resolution. Thanks
+ to mcorbin. #2315
+ * Write TSDB plugin: The options "ResolveInterval" and "ResolveJitter"
+ have been added to control DNS lookup behavior. This prevents DNS
+ flooding in case TSDB is not available. Thanks to Yves Mettier and
+ Florian Forster. #2059
+ * ZFS ARC plugin: Header lines are now ignored in the Linux
+ implementation. Thanks to YmrDtnJu. #2097
+
+2017-06-06, Version 5.7.2
+ * Build system: The Notify Email plugin is no longer linked with
+ indirect dependencies. Thanks to Marc Fournier.
+ * collectd: A race condition when calculating a metric's rate has been
+ fixed. Thanks to Florian Forster. #1193
+ * AMQP, Exec, UnixSock, Write Kafka plugins: Parsing of the PUTVAL
+ command with multiple values has been fixed. Thanks to Florian
+ Forster. #2274
+ * AMQP plugin: The "ExchangeType" option is now also valid for
+ publishers. Thanks to Florian Forster. #2286
+ * BIND plugin: Fix parsing of the sample time provided by BIND.
+ Previously, the time was assumed to be in the local timezone when in
+ fact it was in UTC. Thanks to Ed Ravin. #1268
+ * BIND plugin: Memory leaks have been fixed. Thanks to Ruben Kerkhof.
+ #2303
+ * cURL-JSON plugin: Handling of arrays has been fixed. Thanks to Florian
+ Forster. #2266
+ * DPDKStat plugin: Error handling during initialization has been
+ improved. Thanks to Ruben Kerkhof.
+ * DPDKStat plugin: Handling of a number of metrics has been improved,
+ for example "rx_q0bytes". Thanks to Przemyslaw Szczerbik. #2167
+ * Intel RDT plugin: Configuration handling has been changed to be more
+ graceful. Thanks to Maryam Tahhan. #2165
+ * Log Logstash plugin: If writing the log entry fails, print it to
+ "STDERR" instead. Thanks to Marc Fournier.
+ * LogFile plugin: If writing to the file fails, print log messages on
+ "STDERR" instead. Thanks to Marc Fournier.
+ * memcachec, Tail plugins: A resource leak in the matching
+ infrastructure has been fixed. Thanks to Krzysztof Matczak. #2192
+ * MQTT plugin: Invalid symbols in topic names are now replaced and a
+ resource leak has been fixed. Thanks to Denys Fedoryshchenko. #2123
+ * Network plugin: A potential endless-loop has been fixed. This can be
+ triggered remotely by sending a signed network packet to a server
+ which is not set up to check signatures. Thanks to Marcin Kozlowski
+ and Pavel Rochnyack. #2174, #2233, CVE-2017-7401
+ * Perl plugin: A potential double-free has been fixed. Thanks to Florian
+ Forster. #2278
+ * Processes plugin: A compilation error on AIX has been fixed. Thanks to
+ Pavel Rochnyack. #2210
+ * SMART plugin: A check for the "CAP_SYS_RAWIO" capability has been
+ added. Thanks to Marc Fournier.
+ * Write Graphite plugin: Error handling in the case that calculating a
+ metric's rate fails has been improved. Previously, the raw counter
+ values were sent to Graphite. Thanks to Iain Buclaw. #2209
+ * Write Prometheus plugin: An incorrect use of "realloc(3)" has been
+ fixed. Thanks to Florian Forster. #2275
+
+2017-01-23, Version 5.7.1
+ * collectd: Handling of boolean configuration options has been unified.
+ Thanks to Sebastian Harl. #2083, #2098
+ * collectd: Reporting of internal statistics has been fixed. Thanks to
+ Florian Forster. #2108
+ * collectd, various plugins: Bugs and issues reported by scan-build and
+ coverity-scan have been fixed. Thanks to Ruben Kerkhof and Florian
+ Forster.
+ * Build system: Parallel build have been fixed. Thanks to Ruben Kerkhof.
+ #2110
+ * DPDKStat plugin: Portability issues and a double-close bug have been
+ fixed. Thanks to Ruben Kerkhof and Marc Fournier.
+ * Intel RDT plugin: A check for the libpqos library version has been
+ added. Thanks to Serhiy Pshyk.
+ * NetApp plugin: Compilation problems have been corrected. Thanks to
+ Florian Forster. #2120
+ * Write Prometheus plugin: A memory leak has been fixed. Thanks to Ruben
+ Kerkhof.
+
+2016-12-12, Version 5.7.0
+ * Documentation: The Turbostat plugin section has been improved. Thanks
+ to Florian Forster
+ * Documentation: The semantics of the "TypesDB" option have been
+ improved. Thanks to Florian Forster.
+ * collectd: A generic interface for parsing the text protocol has been
+ added. Thanks to Sebastian Harl. #1749
+ * collectd: Threads now get named, making them easier to track using
+ tools such as top, ps, etc. Thanks to Manuel Luis Sanmartín Rozada
+ and Marc Fournier. #547
+ * AMQP plugin, Write Graphite plugin, Write Kafka plugin: The new
+ "[Graphite]PreserveSeparator" option allows retaining the default dot
+ separator rather than escaping it. Thanks to Florian Forster. #419
+ * Battery plugin: A StateFS backend for gathering statistics has been
+ added. Thanks to Rinigus. #1795
+ * CPU plugin: CPU aggregation on AIX was fixed. Thanks to Chao Yang.
+ #1957
+ * Collectd::Unixsock: Fractional seconds support has been made more
+ robust. Thanks to Matthias Bethke. #2052
+ * DPDKStat plugin: This new plugin collects DPDK interface statistics.
+ Thanks to Maryam Tahhan, Harry van Haaren, Taras Chornyi and Kim
+ Jones. #1649
+ * gRPC plugin: The "DispatchValues" option has been renamed to
+ "PutValues". Thanks to Florian Forster.
+ * HDDTemp plugin: The 32 devices limit has been removed. Thanks to
+ Benjamin Gilbert. #631
+ * Hugepages plugin: This new plugin reports the number of used and free
+ hugepages on Linux. Thanks to Jaroslav Safka, Maryam Tahhan, Kim Jones
+ and Florian Forster. #1799
+ * Intel RDT plugin: This new plugin collects statistics exposed by
+ Intel's Resource Director Technology . Thanks to SerhiyX. #1970
+ * memcached plugin: The new "Address" option allows connecting to a
+ different server than specified by the "Host" option. Thanks to Pavel
+ Rochnyack. #1975
+ * nginx plugin: Support for reporting failed connections has been added.
+ Thanks to Pavel Rochnyack. #1609
+ * Perl plugin: Significant internal reworking has been made. The new
+ "RegisterLegacyFlush" option has been added. Thanks to Pavel
+ Rochnyack. #1731
+ * PostgreSQL plugin: Timestamps are now RFC 3339-formatted local time.
+ Thanks to Igor Peshansky and Dave Cunningham. #1918
+ * Processes plugin: Internal performance improvements have been made.
+ Thanks to Pavel Rochnyack. #1980, #1981
+ * RRDCacheD plugin: The plugin now tries to reconnect upon failed
+ operations. Thanks to Sebastian Harl. #1959
+ * SpamAssassin: The plugin can now run in Perl's "tainted mode" ("-T").
+ Thanks to Akos Vandra. #1962
+ * Tail plugin: Support for calculating latency distribution of matching
+ values has been added. Thanks to Pavel Rochnyack and Florian Forster.
+ #1700
+ * Tail plugin: The new "GaugePersist" option has been added. Thanks to
+ Florian Forster. #2015
+ * Target:Set, Target:Replace, Match:RegEx: MetaData support has been
+ added . Thanks to Igor Peshansky. #1922, #1923, #1930
+ * turbostat plugin: The new "LogicalCoreNames" option allows switching
+ to per-core naming rather than per-CPU. Thanks to Brock Johnson. #2056
+ * virt plugin: The new "BlockDeviceFormat" and
+ "BlockDeviceFormatBasename" options help controlling the names
+ reported for block-device metrics. Thanks to Deyan Chepishev. #2004
+ * Write Graphite plugin: A new "DropDuplicateFields" option has been
+ added. Thanks to Michael Leinartas. #1915
+ * Write Kafka plugin: The "Key Random" setting has been reintroduced.
+ Thanks to Florian Forster. #1977
+ * Write Log plugin: Support for formatting output in JSON has been
+ added, using the new "Format" configuration option. Thanks to Igor
+ Peshansky. #1924
+ * Write Prometheus plugin: This new plugin publishes values using an
+ embedded HTTP server, in a format compatible with Prometheus'
+ collectd_exporter. Thanks to Florian Forster. #1967
+
+2017-10-06, Version 5.6.3
+ * collectd: support for boolean string config values has been
+ reintroduced. Thanks to Sebastian Harl. #2083, #2098
+ * collectd: The capability checking has been changed to use
+ "cap_get_proc()". Thanks to Marc Fournier. #2151
+ * Documentation: A section documenting ignore lists has been added to
+ collectd.conf(5). Thanks to Florian Forster.
+ * AMQP plugin: The "ExchangeType" option is now also valid for
+ publishers. Thanks to Florian Forster. #2286
+ * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx, Write HTTP
+ plugins: Handling of URLs that redirect elsewhere has been fixed.
+ Thanks to Pavel Rochnyack. #2328
+ * BIND plugin: Fix parsing of the sample time provided by BIND.
+ Previously, the time was assumed to be in the local time zone when in
+ fact it was in UTC. Thanks to Ed Ravin. #1268
+ * BIND plugin: Memory leaks have been fixed. Thanks to Ruben Kerkhof.
+ #2303
+ * Chrony plugin: Build flags have been fixed. Thanks to Thomas Jost and
+ Marc Fournier. #2133
+ * cURL-JSON plugin: The timeout value has been changed to default to the
+ collection interval. This fixes a regression. Thanks to Marc Fournier.
+ * cURL-JSON plugin: Handling of arrays has been fixed. Thanks to Florian
+ Forster. #2266
+ * DBI plugin: Memory leaks at shutdown have been fixes. Thanks to Pavel
+ Rochnyack and Florian Forster.
+ * E-Mail, Exec, UnixSock plugins: Group ID lookup on systems with many
+ groups has been fixed. Thanks to Ruben Kerkhof and Florian Forster.
+ #2208
+ * IPC plugin: A compilation error on AIX has been fixed. Thanks to Pavel
+ Rochnyack. #2305
+ * LogFile plugin: If writing to the file fails, print log messages on
+ "STDERR" instead. Thanks to Marc Fournier.
+ * Log Logstash plugin: If writing the log entry fails, print it to
+ "STDERR" instead. Thanks to Marc Fournier.
+ * memcachec, Tail plugins: A resource leak in the matching
+ infrastructure has been fixed. Thanks to Krzysztof Matczak. #2192
+ * MQTT plugin: Invalid symbols in topic names are now replaced and a
+ resource leak has been fixed. Thanks to Denys Fedoryshchenko. #2123
+ * Network plugin: A potential endless-loop has been fixed. This can be
+ triggered remotely by sending a signed network packet to a server
+ which is not set up to check signatures. Thanks to Marcin Kozlowski
+ and Pavel Rochnyack. #2174, #2233, CVE-2017-7401
+ * Network plugin: A use-after-free has been fixed. Thanks to Pavel
+ Rochnyack. #2375
+ * Notify Email plugin: The plugin is no longer explicitly linked against
+ libssl and libcrypto, relies on libesmtp being linked correctly.
+ Thanks to Marc Fournier. Debian#852924
+ * NTPd plugin: Calculation of loop offset and error has been fixed.
+ Thanks to Neil Wilson. #2188
+ * OpenLDAP plugin: An incorrect use of the ldap library, leading to a
+ crash, has been fixed. Thanks to Marc Fournier. #2331
+ * Perl plugin: A potential double-free has been fixed. Thanks to Florian
+ Forster. #2278
+ * Perl plugin: Print an error when an incorrect configuration is
+ encountered. Thanks to Pavel Rochnyack. #927
+ * RRDtool plugin: Incorrect handling of the flushes timeout option has
+ been fixed. Handling of the "RandomTimeout" has been fixed. Thanks to
+ Pavel Rochnyack. #2363
+ * SMART plugin: Some warning messages have been removed and the code has
+ been cleaned up. Thanks to Florian Forster. #2062
+ * SMART plugin: A check for the "CAP_SYS_RAWIO" capability has been
+ added. Thanks to Marc Fournier.
+ * SNMP plugin: A double free has been fixed. Thanks to Pavel Rochnyack.
+ #2291
+ * Write Graphite plugin: Error handling in the case that calculating a
+ metric's rate fails has been improved. Previously, the raw counter
+ values were sent to Graphite. Thanks to Iain Buclaw. #2209
+ * Write Kafka plugin: A 32 bit random number is now used when formatting
+ a random key. Thanks to Florian Forster. #2074
+
+
+2016-11-30, Version 5.6.2
+ * collectd: A compile error on AIX has been fixed: "MSG_DONTWAIT" is not
+ available on AIX. Thanks to Chao Yang.
+ * collectd: The capability checking has been rewritten to be more
+ portable. Thanks to Florian Forster. #2009
+ * collectd.conf(5): Various typos have been fixed. Thanks to Marc
+ Fournier.
+ * collectd-tg: Incorrect usage of "nanosleep()" has been fixed which
+ caused the tool to sleep (almost) indefinitely. Thanks to Florian
+ Forster.
+ * Build system: Detection of the Java environment has been made
+ deterministic to allow for reproducible builds. Thanks to Marc
+ Fournier. #1523
+ * Build system: Detection of the Lua headers has been improved. Thanks
+ to Ruben Kerkhof.
+ * APC UPS plugin: Unavailable metrics are now skipped instead of
+ reported as 0 (zero). Thanks to Florian Forster. #2025
+ * Modbus plugin: Build issues on FreeBSD have been fixed. Thanks to
+ Florian Forster.
+ * OpenVPN plugin: Gracefully handle empty configurations. Thanks to
+ Pavel Rochnyack. #1932
+ * PowerDNS plugin: The "recursor command" has been fixed so PowerDNS can
+ correctly parse all requested fields. Thanks to Ruben Kerkhof.
+ * Write Graphite and AMQP plugins: A bug that could lead to a missing
+ null-termination has been fixed. Thanks to Markus Linnala.
+ * Write HTTP plugin: A logic error when checking the correctness of the
+ data set has been fixed. Thanks to Pavel Rochnyack. #1996
+ * Write Kafka plugin: The "Key Random" config option has been fixed.
+ Thanks to Florian Forster. #1977
+ * Write Kafka plugin: Support for librdkafka 0.9.0 has been added.
+ Thanks to Florian Forster.
+ * Write Riemann plugin: Build issues on Solaris have been fixed. Thanks
+ to Florian Forster.
+ * ZFS ARC plugin: A duplicate metric has been removed. Thanks to Ruben
+ Kerkhof. #1963
+
+2016-10-07, Version 5.6.1
+ * Build system: Unnecessary linking of the Write Graphite plugin with
+ libyajl has been removed. Thanks to Marc Fournier.
+ Debian#839771, #1976
+ * collectd: A bug in the "FlushInterval" option that caused a
+ segmentation fault in the Write HTTP plugin has been fixed. Thanks to
+ Florian Forster. #1954
+ * Apache plugin: A syntax error has been fixed. Thanks to Florian
+ Forster.
+ * cURL-JSON plugin: A segmentation fault that occurred when handling
+ JSON with unexpected structure has been fixed. Thanks to Florian
+ Forster. #1896
+ * PostgreSQL plugin: Handling of "NULL" values in the "query_plans" and
+ "query_plans_by_table" queries has been fixed. Thanks to Bernd
+ Zeimetz. #1905
+ * RRDCacheD plugin: Reconnection behavior has been added. Thanks to
+ Sebastian Harl. Debian#657877
+ * VServer plugin: Use of a deprecated API ("readdir_r()") has been
+ fixed. Thanks to Sebastian Harl.
+ * Write Graphite plugin: Make default values configurable at compile
+ time again. Thanks to Florian Forster. #1953
+ * Write HTTP plugin: A bug has been fixed that lead to flush callbacks
+ being registered twice. Thanks to Florian Forster. #1955
+