Smack 4.1.6/4.2.0-alpha3 发布，更新如下： 4.1.6 -- 2016-01-23 Bug [SMACK-705] - PubSub's Affiliation.getElementName() returns wrong name [SMACK-706] - Smack may sends <bind/> and <session/> twice if Stream Management is used and a previous SM state exists [SMACK-707] - Infinite loop of NullPointerExceptions in Socks5Proxy [SMACK-708] - DeliveryReceipt(Manager) should ensure that receipts (and requests) have an ID set [SMACK-709] - Don't request delivery receipts for messages without a body [SMACK-710] - SASL DIGEST-MD5 backslash must be quoted 4.1 系列更新内容请看：Smack Changelog 4.2 系列更新内容请看：Smack 4.2 Readme and Upgrade Guide · igniterealtime/Smack Wiki · GitHub Smack是一个开源，易于使用的XMPP（jabber）的 Java 客户端类库。 Smack 4.1.6/4.2.0-alpha3 发布下载地址
