No specific info about version 5.5. Please visit the main page of Déjà Vu on Mac Informer.
Built right into OS X Lion Lion Recovery lets you repair disks or reinstall OS X
Creates complete backups of any Email client in just a few moments.
Create a bootable system backup and restore files and folders.
Create a bootable clone of your disk, with support of incremental backups.
Tri-BACKUP provides all necessary tools to efficiently manage your backup.