BREAKING CHANGES: Backup your data in Settings -> Backups before upgrading from v0.3.0!
Here's a step by step guide: https://github.com/vas3k/TaxHacker/blob/main/docs/migrate-0.3-0.5.md
Main features:
- Moved DB to Postgres
- Auth and multi-user support
- New app structure
- Easier configuration and auto-login for self hosted mode
- Robust backup + restore