---
title: Known issues and limitations
description: Known issues or limitations for the Island Enterprise Browser Device Trust Integration Kit:
component: island-enterprise-browser
page_id: island-enterprise-browser:release_notes:pf_island_browser_known_issues_and_limitations
canonical_url: https://docs.pingidentity.com/integrations/island-enterprise-browser/release_notes/pf_island_browser_known_issues_and_limitations.html
revdate: August 6, 2025
section_ids:
  known-issues: Known issues
  known-limitations: Known limitations
---

# Known issues and limitations

Known issues or limitations for the Island Enterprise Browser Device Trust Integration Kit:

## Known issues

There are no known issues.

## Known limitations

* PingFederate Authentication API support

  The Island Enterprise Browser Device Trust IdP Adapter doesn't support the PingFederate Authentication API because it's not feasible to generate the challenge response value externally. The challenge response is built into the Island Enterprise browser engine and only works with redirects.