Nice to have - When browsing for a database file, the file picker always defaults to the home directory. Assuming people use copies of their files and put them into the same working directory (at least that's how I did it):
- FilePicker should remember last selected directory to make it more convenient to get to the files
- It would be helpful for the selection fields ("Database A Source", "Database B Target") to have a most recently used list of filepaths to select from (perhaps the same list shared by both fields). When working with multiple files, a use might switch between files and check "just to be sure".
Nice to have - When browsing for a database file, the file picker always defaults to the home directory. Assuming people use copies of their files and put them into the same working directory (at least that's how I did it):