The new version fixes two technical issues. The first one is the error code 3 (“The system cannot find the path specified”), that occured when you tried to restore your backup image after using your flash drive with the atv patchstick creator. Windows couldn’t detect the volume on the flash drive, resulting in an empty volume path. Locking this path failed and resulted in the error. This should be fixed with this version.
The second fix prevents USB Image Tool from restoring invalid images in device mode. A valid device mode image has to be multiple of 512. If that’s not the case, the write operation will fail with error code 87 close to the end of the process. To prevent this, USB Image Tool now checks, if the image file size is a multiple of 512.