title	summary
TiDB 4.0.4 Release Notes	TiDB 4.0.4 was released on July 31, 2020. Bug fixes include issues with querying `information_schema.columns`, errors with `PointGet` and `BatchPointGet` operators, wrong results with `BatchPointGet`, and incorrect query results with the `HashJoin` operator encountering `set` or `enum` type.

TiDB 4.0.4 Release Notes

Release date: July 31, 2020

TiDB version: 4.0.4

Bug Fixes

TiDB
- Fix the issue of getting stuck when querying information_schema.columns #18849
- Fix the errors that occur when the PointGet and BatchPointGet operators encounter in null #18848
- Fix the wrong result of BatchPointGet #18815
- Fix the issue of incorrect query result that occurs when the HashJoin operator encounters the set or enum type #18859