# Upgrading to DefectDojo Version 2.56.x

## Deprecation: Questionnaire API Endpoints

The following Questionnaire API endpoints are being deprecated and will be removed in DefectDojo 2.59.0 on June 1st, 2026:

- `/api/v2/questionnaire_answered_questionnaires/`
- `/api/v2/questionnaire_answers/`
- `/api/v2/questionnaire_engagement_questionnaires/`
- `/api/v2/questionnaire_general_questionnaires/`
- `/api/v2/questionnaire_questions`

### Required Actions

Support for these endpoints will be fully removed in DefectDojo 2.59.0 (scheduled for June 1st, 2026). After this date, any requests to these endpoints will return a 404 Not Found error.

### Timeline

- **DefectDojo 2.56.x onwards**: Endpoints are deprecated with deprecation headers
- **DefectDojo 2.59.0 (June 1st, 2026)**: Endpoints will be removed entirely

For more information, check the [Release Notes](https://github.com/DefectDojo/django-DefectDojo/releases/tag/2.56.0).