# Extensions

All WTForms extensions were removed in WTForms 3.0.

> - `wtforms.ext.appengine` was extracted to WTForms-Appengine

> - `wtforms.ext.csrf` was integrated into WTForms core. See CSRF Docs

> - `wtforms.ext.django` was extracted to WTForms-Django

> - `wtforms.ext.i18n` was integrated into WTForms core. See Internationalization (i18n)

> - `wtforms.ext.sqlalchemy` was extracted to WTForms-SQLAlchemy