+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
+
+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
+
2016-09-11, Version 5.6.0
* Build system: An option to to avoid building the DF plugin against XFS
has been added. Thanks to Ruben Kerkhof. #1878
* Zone plugin: This new plugin reads per-zone CPU usage on Solaris.
Thanks to Mathijs Mohlmann and Dagobert Michelsen.
+2016-11-28, Version 5.5.3
+ * collectd: Write threads are stopped before shutdown callbacks are
+ called. Thanks to Florian Forster. #1110
+ * collectd: A compile error on AIX has been fixed: "MSG_DONTWAIT" is not
+ available on AIX. Thanks to Chao Yang.
+ * libcollectdclient: Lines printed to "STDERR" are now guarded by the
+ environment variable "COLLECTD_TRACE". Thanks to Florian Forster. #105
+ * collectd.conf(5): Various typos have been fixed. Thanks to Marc
+ Fournier.
+ * Build system: Detection of the Java environment has been made
+ deterministic to allow for reproducible builds. Thanks to Marc
+ Fournier. #1523
+ * APC UPS plugin: Unavailable metrics are now skipped instead of
+ reported as 0 (zero). Thanks to Florian Forster. #2025
+ * Battery plugin: The minimum value has been removed from the power type
+ to allow the plugin to report discharging batteries as negative power.
+ Thanks to Florian Forster.
+ * DBI, Oracle and PostgreSQL plugins: An error message when the type
+ instance is truncated has been added. Thanks to Florian Forster. #4
+ * cURL-JSON plugin: A possible segmentation fault when parsing
+ unexpected JSON has been fixed. Thanks to Florian Forster. #1896
+ * DF plugin: Compilation with xfsprogs ≥ 4.7.0 has been fixed. Thanks
+ to Thomas Deutschmann. #1877
+ * Modbus plugin: Build issues on FreeBSD have been fixed. Thanks to
+ Florian Forster.
+ * Network plugin: An error message has been corrected. Thanks to Florian
+ Forster.
+ * Network plugin: Handling of errors form secure memory initialization
+ has been improved: the plugin fails gracefully now instead of calling
+ "abort()". Thanks to Sebastian Harl.
+ * Network plugin: The gcrypt library is only initialized when it is
+ actually required due to the network plugin's configuration. Thanks to
+ Florian Forster. #1902
+ * Ping plugin: The init callback has been changed to be idempotent,
+ fixing errors being reported on Solaris. Thanks to Florian Forster.
+ #869
+ * PostgreSQL plugin: The query_plans and query_plans_by_table queries
+ have been improved to return 0 (zero) instead of "NULL" when not
+ available. Thanks to Bernd Zeimetz. #1905
+ * PowerDNS plugin: The "recursor command" has been fixed so PowerDNS can
+ correctly parse all requested fields. Thanks to Ruben Kerkhof.
+ * Python plugin: Handling of data sets with multiple data sources of
+ different type has been fixed. Thanks to Sebastian Harl.
+ * RRDCacheD plugin: Reconnection behavior after failed operations has
+ been added. Thanks to Sebastian Harl. Debian#657877
+ * Write Graphite and AMQP plugins: A bug that could lead to a missing
+ null-termination has been fixed. Thanks to Markus Linnala.
+ * 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.
+
2016-07-25, Version 5.5.2
* collectd: A division by zero has been fixed in the
"plugin_dispatch_multivalue()" function. Thanks to Corey Kosak.