Release 3.20.07.3

[yanhuqing666]

Release Notes:

We have released a bug-fixed version 3.20.07.3.

Bug-fixes:

• Some connection pool bugs
• Some alert errors
• For select...for update, route to master but not a slave to avoid Permission Problem
• DDL error when not create dbgroup

发行说明：

我们发布了3.20.07.3,这是个基于3.20.07.2的bug修复版本

问题修复:

• 修复一些连接池参数的错误
• 修复一些告警错误
• 对于select...for update，由于权限问题，需要路由到主而不是从
• 未建dbgroup时候执行ddl可能的错误

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This discussion was created from the release Release 3.20.07.3.