Smack 3.3.1 发布了，这是一个小更新版本，主要更新包括：
[SMACK-441] - Memory leak in KeepAliveManager
[SMACK-447] - Compression is not enabled for Java7ZlibInputOutputStream
[SMACK-448] - Java7ZlibInputOutputStream does not work. Deflater.DEFAULT_STRATEGY is used as compression level when it should use Deflater.DEFAULT_COMPRESSION
[SMACK-450] - VCard.load() throws null pointer exception if there is no VCard for the user
[SMACK-455] - Multiple items doesn`t not parse correctly in a pubsub message
[SMACK-369] - Exceptions during login should get thrown back up to the caller.
Smack是一个开源，易于使用的XMPP（jabber）的 Java 客户端类库。
官方首页：http://www.igniterealtime.org/projects/smack/
来自:开源中国社区
