1. What compatibility matters need to be paid attention to when upgrading to seata 1.3.0?
The nacos registration center adds a new group attribute configuration seata.registry.nacos.group. If it is not configured, the default value is DEFAULT_GROUP. The server and client must be consistent.
The mysql undolog table removes the id field and enhances the timestamp accuracy together with branch_table to prevent dirty data from being rolled back due to sequence errors during undolog rollback. (Note: mysql version 5.6 or above is required)