What's new in this version:
- Add context variables with compression and encryption status of current connection
- Enhance dynamic libraries loading related error messages
- Provide name of UDF function for "arithmetic exception, numeric overflow, or string truncation"
- Support auth_plugin_list DPB/SPB item from application to client
- Forward-compatible expressions LOCALTIME and LOCALTIMESTAMP
- Remove the restriction on create/delete, enable/disable the user-defined indexes in system tables
- 66 bugs fixed