Release Notes:

We have released a bug-fixed version 3.21.10.1.

Bug-fixes:

• Upgrade log4j to 2.17.1
• Respective-sharding‘s view issues
• Can turn off the heartbeat recording
• Some possible hang scenarios
• Read-write separation hint statement failure problem
• Prepared statement bugs
• Back-end traffic control in read-write separation mode
• Support for com_field_list protocol in read-write separation mode
• In the scenario of read-write separation, add and delete slaves smoothly
• Error in load data with empty text
• Error with single node table ddl
• Memory leak caused by front-end slb

发行说明：

我们发布了3.21.10.1,这是个基于3.21.10.0的bug修复版本

问题修复:

• 升级log4j到 2.17.1
• 垂直拆分的view问题
• 可关闭心跳记录
• 一些可能hang的场景
• 读写分离hint语句失效问题
• prepared statement 的bug
• 读写分离模式下对后端流量的控制
• 读写分离模式下对com_field_list协议的支持
• 读写分离场景下，平滑增删从机
• 空文本的load data的错误
• 单节点表ddl的错误
• 前端slb引发的内存泄露