It is a major version update. It contains some breaking changes. Please read the migration guide carefully if you want to upgrade from v1 to v2.

Couple of considerations for you.
Is it a backup or a sync? Sync will sync your deletes and corrupted data.
It’s ideal that you have your USB offsite.
I use restic and have a repo on a USB and a repo on AWS S3
Another option is a windows VM and then run sunshine and moonlight to stream word, it would give you the feeling of running office without leaving your Linux desktop