This page details the changes in the various django-formtools releases.
Added the request parameter to WizardView.get_prefix().
This was originally reported and fixed in the main Django repository:
A form wizard using the CookieWizardView will now ignore an invalid cookie, and the wizard will restart from the first step. An invalid cookie can occur in cases of intentional manipulation, but also after a secret key change. Previously, this would raise WizardViewCookieModified, a SuspiciousOperation, causing an exception for any user with an invalid cookie upon every request to the wizard, until the cookie is removed.
This was originally reported and fixed in the main Django repository:
Added missing form element to default wizard form template formtools/wizard/wizard_form.html.