The new beta update deleted all my data from the app, no history no logs, no favorites

As the title says, now what should I do.
Would getting myself deregister for beta fix the problem? If I uninstall and fresh install my data would not get back as I’m not logged into cloud storage services my account is only offline dependant.

There is a data section in the settings which you can press to restore the old database.
Are all lists are empty?

Do you use Trakt connection or the Google account?

None of those, only moviebase. But the restore old database thing seems to be working. Will let you know if I face any issue.