This update from Apple will improve the functionality of this app. No new features are included.

How to handle Open In (Import from other applications) has been changed.
After this version, files will be imported into a folder named Migration.
If you placed a file in the Inbox folder in the previous version, the file will be moved automatically when updating.
In addition, bugs related to import has also been fixed.

When copying files to mimiCopy on file sharing on Windows, it was fixed that some files could not be read.
Problems may still occur if you use some letters for file names. In that case please change the file name.

Fixed that the Filter button behavior was wrong.

Mid / sysx file can be copied to other applications. Press and hold the file to display the menu. There is a menu item called Other App and select it.