Jubatus

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* Improvements
* Expose status information of linear_mixer (1030)
* Support building with Python 3.x (841, 1025)
* Add example config file for recommender inverted_index with unlearner (1031)
* Code cleanup (1032)

* Bug fixes
* classifier: fix MIX not triggered by update count (1023, 1024)

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* Changes to Supported Systems
* Red Hat Enterprise Linux (RHEL) 7 is now officially supported (940, 1004)

* Improvements
* save RPC now returns the path to the saved model file (562, 971, 1015, 1020)
* Support non-commutative functions in combination feature plug-in (999)
* classifier: improve performance by removing giant lock (968, 976)
* Improve push mixer performance (989, 1008)
* Improve error handling of proxies (985, 993)
* Add man pages for commands (1005, 1011)
* Code cleanup (1003)

* Bug fixes
* bandit: fix reset API returns false when called before MIX (994, 1007)
* bandit: CHT replication level changed to 1 to avoid double counting (1017)
* classifier: set_label is now merged using all_and in distributed environment (1002, 1006)
* nearest_neighbor: fix to print config on startup (984, 986)
* bandit: fix bandit client is not included in client.hpp (996)
* Fix push mixer not mixing rows correctly (990, 991)
* Fix skip mixer not choosing peers correctly (915, 995, 997)
* Fix error reporting of failures occured before initializing logger (982, 987)
* Fix sigwait thread race condition (988, 992)
* Fix cleanup race condition when ZooKeeper session expiry (967, 998)
* Fix IDL files missing from installation (1009, 1010)
* Fix C++ client tests not working (959, 1018)
* Fix RPM packages does not declare clear version dependency (933, 1001)
* Fix RPM packages to correctly generate debuginfo packages (970, 1000)

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* Improvements
* Improve jubaconv to accept configurations using plug-ins (963)
* Add example configuration files for combination feature (953, 983)
* bandit: update example configuration files to use assume_unrewarded option (972)
* classifier: fix set_label to use broadcast distribution (850, 979)
* Improve ZooKeeper connection log on reconnection (913, 977)

* Bug fixes
* nearest_neighbor: fix uninitialized status values (883, 978)
* anomaly: fix get_all_rows API returning duplicated rows (974, 975)
* Fix server does not stop when MIX protocol version mismatch was detected (955, 961)

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* Improvements
* burst: Add clear API (919, 946)
* ZooKeeper logs can be rotated on SIGHUP (876, 896)
* get_status and get_diff can work in parallel (912, 941)
* jenerator refactoring (929)
* Change default ports used for RPC tests (934)
* Codes cleanup (917, 922, 938, 942, 965)
* Add language declarations to wscript (925, 930)
* Update to the latest waf-unittest (952)

* Bug fixes
* Fix segmentation fault on MIX failure (949)
* Fix RPC server to shutdown gracefully when ZK session expired (954, 960)
* Fix signal handling to always accept SIGTERM / SIGINT (956, 966)
* Fix proxies to exit with correct status (928, 936)
* Fix "stopping mixer thread" log displayed in standalone mode (916, 935)
* Fix jenerator test to work (937)

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* New machine learning service
* Distributed Multi-Armed Bandit (jubabandit) (932)

* Improvements
* Add golang client (experimental) (870, 907, 909, 923, )
* Add support for combination feature (925)
* nearest_neighbor: Implement get_all_rows API (918)
* classifier: Add example file for NN-based classifier (921)
* Upgrade to MessagePack 0.5.9 (926)
* Update copyright (906, 920, 927)

* Bug fixes
* Fix memory leak when doing MIX (914)
* Fix RPC tests occasionally fails (905)

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* Improvements
* Detect logger configuration error on startup (895, 902)