the new MyDAC version 8.4.12 is available for download now.
In this version:
- Bug when using table aliases in the DetailFields name is fixed
 - Bug with using UPPER and LOWER functions in filter is fixed
 - Bug with setting TParam.Value = for a parameter with the ftDate data type is fixed
 - Bug with TCustomDADataSet.FindKey is fixed
 - Bug with editing DateTime fields when data type mapping from string to DateTime is used is fixed
 - Bug with refreshing record if the key field has the TSQLTimeStamp data type is fixed
 - Bug with the "Input\Output error(5)" error on Connect for non-Windows platforms is fixed
 - Bug with 'Thread Error' when connecting on OS X is fixed
 - Bug with setting time values greater than 24:00:00 for Time fields is fixed
 - Bug with processing Result parameters in TMyStoredProc is fixed
 
http://www.devart.com/mydac