+2011-03-28, Version 5.0.0
+ * collectd: The "FQDNLookup" option is now enabled by default.
+ * collectd: The internal representation of time has been changed to
+ allow a higher accuracy than one second.
+ * collectdcmd: This new command line utility can send various commands
+ to collectd using the UnixSock plugin. Thanks to Håkon Dugstad
+ Johnsen and Sebastian Harl for their code.
+ * collectd-nagios: The "-m" option has been implemented (treat NaNs as
+ critical).
+ * collectd-tg: Traffic generator creating bogus network traffic
+ compatible to the Network plugin. This utility can be used to
+ stress-test new write plugins and collectd in general.
+ * libcollectdclient: Creating and sending network packets has been
+ added to the collectd client library.
+ * All data sets: The data source name of all data sets with exactly
+ one data source has been changed to "value".
+ * All plugins: All "counter" data sources have been converted to
+ "derive" data sources. All plugins now use "derive" by default, but
+ plugins such as the network plugin can still handle "counter", of
+ course. The minimum value of all derive data sources is zero, the
+ maximum value is unspecified.
+ * amqp plugin: The new AMQP plugin can send data to and receive data
+ from an AMQP broker. Thanks to Sebastien Pahl for his code.
+ * apache plugin: Backwards compatibility code has been removed.
+ Support for the IBM HTTP Server has been added. Thanks to Manuel
+ Luis Sanmartín Rozada for his patch.
+ * contextswitch plugin: Support for sysctlbyname(3) has been added.
+ Thanks to Kimo Rosenbaum for his patch.
+ * df plugin: The default behavior has been changed to be equivalent to
+ the "ReportReserved" behavior of v4.
+ * dns plugin: Improved RFC 1035 name parsing has been imported from
+ "dnstop".
+ * exec plugin: Backwards compatibility code has been removed.
+ * GenericJMX plugin: The "InstancePrefix" option has been added to
+ "Connection" blocks.
+ * hddtemp plugin: The "TranslateDevicename" config option has been
+ removed.
+ * interface plugin: Use the "plugin instance" to store the interface
+ value.
+ * libvirt plugin: The "InterfaceFormat" option has been added. Thanks
+ to Ruben Kerkhof for his patch.
+ * lpar plugin: New plugins for "logical partitions", a virtualization
+ technique of POWER CPUs. Thanks to Aurélien Reynaud for his code and
+ patience.
+ * modbus plugin: Support for libmodbus 2.9.2 has been added and the
+ license has been changes to LGPLv2.1.
+ * mysql plugin: Backwards compatibility code has been removed. The
+ data sets used have been improved.
+ * network plugin: The default buffer size has been increased to
+ 1452 bytes.
+ * perl plugin: Backwards compatibility code has been removed.
+ * postgresql plugin: Backwards compatibility code has been removed.
+ * redis plugin: Plugin for collecting statistics from Redis, a key-
+ value store, has been added. Thanks to Andres J. Diaz for his code.
+ * swap plugin: Implement collection of physical and virtual memory
+ statistics under Solaris. The new default is collecting physical
+ memory. Thanks to Aurélien Reynaud for his patches.
+ * threshold plugin: The threshold configuration has been moved into
+ this separate plugin.
+ * unixsock plugin: The "DeleteSocket" option has been added.
+ * varnish plugin: The new Varnish plugin reads statistics from
+ Varnish, a web accelerator. Thanks to Jérôme Renard and Marc
+ Fournier for their contributions.
+ * write_redis: New plugin for writing data to Redis, a key-value
+ store.
+ * zfs_arc plugin: The data sets have been replaced by more elegant
+ alternatives.
+ * v5upgrade target: Target for converting v4 data sets to the v5
+ schema.
+
+ 2011-10-07, Version 4.10.4
+ * collectd: A mutex leak has been fixed in the meta data code. Thanks
+ to Rafal Lesniak for his patch.
+ * collectd: Compatibility fixes for GCC 4.6 have been applied.
+ * csv plugin: The line buffer size has been increased. Thanks to Colin
+ McCabe for the patch.
+ * curl_json plugin: Don't use the "parent" node to build the type
+ instance, if it is empty. Compatibility with libyajl 2 has been
+ added. Thanks to "spupykin" of the Arch Linux project for the initial
+ code.
+ * iptables plugin: Fix linking with some versions of libiptc.
+ * irq plugin: Fix support for interrupts under Linux. The old code
+ assumed that interrupts have a numeric value -- this is no longer
+ true for Linux. Thanks to Bostjan Skufca for implementing this.
+ * notify_desktop plugin: Compatibility with libnotify 0.7 has been
+ added. Thanks to Samuli Suominen for his patch.
+ * processes plugin: Fix handling of regular expressions containing
+ spaces. Thanks for Sebastian Harl for fixing this.
+ * rrdtool, rrdcached plugins: Improve precision of the XFF parameter.
+ Previously, values like 0.999 would have been rounded to 1.0. Thanks
+ to Francois-Xavier Bourlet for fixing this.
+ * Various plugin: Set a multi-threading flag in libcurl. Thanks to Mike
+ Flisher for the fix.
+
2011-03-26, Version 4.10.3
* Documentation: Several updates and additions. Thanks to Sebastian Harl.
* collectd: Build issues (compiler warnings) have been fixed. Thanks to