the new MyDAC version 8.5 is available for download now.
In this version:
- RAD Studio XE8 is supported
 - AppMethod is supported
 - Bug with invalid names of Master-Detail parameters is fixed
 - Bug with the 'Cannot convert type' error in the TDADataSet.RefreshRecord method when data type mapping is used is fixed
 - Bug with AV failure in the SmartFetch mode is fixed
 - Bug with AV on calling GetVersion() in C++Builder is fixed
 - Bug with generating update SQL queries when table or field name is a keyword is fixed
 - Bug in TMyDump with bit and number fields backup is fixed
 - Bug in TMyDump with table backup when its name contains a dot character is fixed
 
http://www.devart.com/mydac