Redisson 2.2.8 发布了，Redisson 是基于Redis服务之上构建的分布式、可伸缩的Java数据结构，高级的Redis客户端。
新版本改进内容包括：
Feature - union, unionAsync, readUnion and readUnionAsync methods were added to RSet object
Feature - readAll and readAllAsync methods were added to RSetCache object
Improvement - RKeys.delete optimization in Cluster mode
Fixed - Script error during RSetCache.toArray and RSetCache.readAll methods invocation
Fixed - Sentinel doesn't support AUTH command
Fixed - RMap iterator
下载地址：
https://github.com/mrniko/redisson/releases/tag/redisson-2.2.8