TiDB - v6.1.2

Improvements

• Allow setting placement rules and TiFlash replicas at the same time in one table #37171 @lcwangchao

Bug fixes

• Fix the issue that database-level privileges are incorrectly cleaned up #38363 @dveeden
• Fix the incorrect output of SHOW CREATE PLACEMENT POLICY #37526 @xhebox
• Fix the issue that when one PD node goes down, the query of information_schema.TIKV_REGION_STATUS fails due to not retrying other PD nodes #35708 @tangenta
• Fix the issue that the UNION operator might return unexpected empty result #36903 @tiancaiamao
• Fix the wrong result that occurs when enabling dynamic mode in partitioned tables for TiFlash #37254 @wshwsh12
• Fix the issue that the Region cache is not cleaned up in time when the Region is merged #37141 @sticnarf
• Fix the issue that the KV client sends unnecessary ping messages #36861 @jackysp
• Fix the issue that the EXPLAIN ANALYZE statement with DML executors might return result before the transaction commit finishes #37373 @cfzjywxk
• Fix the issue that GROUP CONCAT with ORDER BY might fail when the ORDER BY clause contains a correlated subquery #18216 @winoros
• Fix the issue that Can't find column is reported if an UPDATE statement contains common table expressions (CTE) #35758 @AilinKid
• Fix the issue that the EXECUTE might throw an unexpected error in specific scenarios #37187 @Reminiscent