Is there a way to revert back to the previous version without losing new DB records?
No, definitely not. 4.3 did work with the terms system that is not safe to downgrade with. If you want to downgrade, you need to restore from backups, completely.
Is there a way to revert back to the previous version without losing new DB records?
No, definitely not. 4.3 did work with the terms system that is not safe to downgrade with. If you want to downgrade, you need to restore from backups, completely.