# Upgrading from 1.0 to 2.0

There are a few major changes in 3.0 that you should be aware of that affect AshPhoenix's behavior.

1. You don't need to pass in the `domain` to your forms.

~~2. When calling `AshPhoenix.Form.params/1`, for the same reasons as above, it will no longer return the hidden fields from the form. If you need these, you can add the `hidden?: true` option to `AshPhoenix.Form.params/1`.~~

The above items were worked around, and are no longer true