They are not gone, they are simply not found in your case.
Since Devilbox v1.0.0 it is using Docker Volumes instead of directories for database storage due to performance and compatibility reasons.
See announcements:
- Devilbox v1.0.0 released
- https://www.reddit.com/r/PHP/comments/az54a2/announcement_devilbox_v0150_and_v100alpha/
And see updating procedure:
So what you will need to do in your case:
- Downgrade to any
0.X
version - Backup your databases: https://devilbox.readthedocs.io/en/latest/maintenance/backup-and-restore-mysql.html
- Switch back to latest version
- Import your databases
This is a one-time task and everything should run smoothly afterwards.