The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Effective in version 10.4.1, when you refresh the source or target schema at run time in a dynamic mapping, the Data Integration Service uses the values that you specify for the delimiter, text qualifier, and escape character for a flat file.
Previously, the values that you specify were not used and the default values were used leading to unexpected results in the target.