0.6.0-alpha 版本
发布日期: 2015-04-17
ACL Support Now: [ACL-Design Wiki](https://github.com/emqtt/emqttd/wiki/ACL-Design)
Authentication with username, clientid Now: [Authentication Wiki](https://github.com/emqtt/emqttd/wiki/Authentication)
Seperate common MQTT library to ‘emqtt’ application
Redesign message pubsub, route and retain modules
Redesign mnesia database cluster
Feature: issues#47 - authentication, authorization support
Feature: issues#92 - merge emqttd_acl and emqttd_auth to emqttd_access_control
Feature: emqttd_acl_mod, emqttd_auth_mod behaviour to extend ACL, authentication
Feature: issues#85 - lager:info to log subscribe, unsubscribe actions
Feature: issues#77 - authentication with clientid, ipaddress
Improve: issues#90 - fix lager_file_backend log format, and rotate 10 log files
Improve: issues#88 - use ‘-mneisa_create’, ‘-mnesia_replicate’ attributes to init mneisa
Improve: issues#87 - record mqtt_user and mqtt_client is duplicated
Improve: issues#81 - redesign nodes cluster to support disc_copies mnesia tables
Improve: issues#80 - redesign emqttd_cm to handle more concurrent connections
Improve: issues#70 - how to handle connection flood? Now could support 2K+ CONNECT/sec
Change: redesign mnesia tables: message, topic, subscriber, trie, trie_node
Bugfix: issues#83 - emqttd_broker stats cannot work
Bugfix: issues#75 - careless about function name when emqttd_pubsub handle getstats message