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   Discuz! X3.3 Release 20170401
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兼容 PHP7
优化 SQL查询
修复 安全问题
优化 优化缓存机制改为扩展形式，可自由扩展
新增 APCu、Yac、文件缓存，文件缓存默认开启

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往日版本( Old Version )
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Discuz! X1 Beta Release 20100501
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