File transfer is not working, Base64 encoding is parsed incorrectly when returning binary data from remote

[Hi-Fi]

When trying to return Binary data with following Java method:

    @RobotKeyword
    @ArgumentNames({ "file_name" })
    public byte[] returnImage(String fileName) throws IOException {
        return Files.readAllBytes(new File(fileName).toPath());
    }

image can't be written to file at the client side. When removing usage of custom TypeFactory, transfer seems to be working OK. With Python and Javascript remote servers file transfer works without issues.

[Hi-Fi]

Fixed in release 4.0.0