Upgrading is pretty simple, FileFlows will automatically upgrade the database if needed when first starting a new version.
However it is recommend before you upgrade to backup your existing database.
For standard SQLite installations, this just involves copying your
Is located in your mapped
/app/Data directory eg if you mapped it to
/mnt/user/appdata/fileflows/data the file would be in
MySQL on unRAID
A guide is available to help you configure automatic database backups for MySQL/MariaDB on unRAID.