+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.
+ * collectd: The address of the Free Software Foundation has been fixed
+ in GPL license headers. Thanks to Ruben Kerkhof.
+ * Build system: Detection and handling of librrd 1.6 and later has been
+ fixed. Thanks to Ruben Kerkof.
+ * Apache plugin: A warning about a possible misconfiguration has been
+ added. Thanks to Marc Fournier.
+ * cURL, cURL-JSON and cURL-XML plugins: A memory leak when allocating
+ more memory fails has been fixed. Thanks to Brandon Arp.
+ * DF plugin: A build issue on DragonFlyBSD has been fixed. Thanks to
+ Ruben Kerkhof. #1575
+ * Ethstat plugin: Code to strip leading whitespace from device names.
+ This works around an issue in the VMXNet3 driver. Thanks to Thomas
+ Guthmann. #1059
+ * Exec plugin: A problem in the error handling of an fdopen() failure
+ has been fixed. Thanks to ciomaire.
+ * Modbus plugin: The debug output has been disabled by default. It is
+ now only enabled when building with "--enable-debug". Thanks to Eric
+ Sandeen and Marc Fournier.
+ * Network plugin: A heap overflow has been fixed in the server code.
+ This issue can be triggered remotely and is potentially exploitable.
+ Thanks to Emilien Gaspar. CVE-2016-6254
+ * Perl plugin: Init callbacks have been changed to run essentially
+ single-threaded to avoid race conditions by init functions which
+ create additional threads. Thanks to Pavel Rochnyack. #1706
+ * Processes plugin: A compilation error on systems without "regex.h" has
+ been fixed. Thanks to Corey Kosak.
+ * Processes plugin: A memory leak on Solaris has been fixed. Thanks to
+ Jim Quinn.
+ * Processes plugin: A warning about too long process names has been
+ added. Thanks to Marc Fournier. #1284
+ * Redis plugin: A memory leak in an error handling code path has been
+ fixed. Thanks to Andrés J. Díaz.
+ * Redis plugin: The data source type of the expired_keys metric has been
+ corrected to "DERIVE". Thanks to Marc Falzon and Marc Fournier. #1483.
+ * SMART plugin: A build dependency on libudev has been added. Thanks to
+ Pavel Rochnyack. #1724
+ * StatsD plugin: A deadlock on plugin shutdown has been fixed. Thanks to
+ Pavel Rochnyack #1703
+ * Write HTTP plugin: Freeing of memory holding HTTP headers during
+ shutdown has been fixed. Thanks to Tolga Ceylan.
+ * Write Sensu plugin: A segfault when the Tag was unset has been fixed.
+ Thanks to Marc Fournier.
+ * ZFS ARC plugin: The cache_operation-stolen metric has been removed for
+ FreeBSD 10.2 and later. Thanks to Ruben Kerkhof. #1580
+
2016-01-22, Version 5.5.1
* Build system: Compilation errors have been avoided by correctly
defining package name and version used by autoconf. Thanks to Nathan