The primary backup tool and default in /e/OS would be the /e/OS Backup which is under development and testing phase at present.
Seedvault may be retained but in a limited capacity as a continuity for those who were using it. It is to be noted that Seedvault while being shipped for a long time was not fully implemented. For example, the restore through Setup Wizard was never enabled.
A final decision on this has not been taken as yet. Not targeted for v4.2 .
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