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Auth0/Auth0 Changelog/Advanced Customizations for Universal Login (Early Access) - WebAuthn + Biometrics Authentication, and Logout!

Advanced Customizations for Universal Login (Early Access) - WebAuthn + Biometrics Authentication, and Logout!

May 27, 2025Auth0 Changelog
$npx -y @buildinternet/releases show rel_9X2y85q0QwgT4jt2-mzpt

We are excited to announce the next Early Access release of Advanced Customizations for Universal Login! This release adds support for building custom versions of Universal Login’s WebAuthn + Biometrics authentication and the matching MFA and Reset Password Challenge screens, as well as Logout and a few other odds and ends, all using the new ACUL SDK.

Advanced Customizations for Universal Login enables you to build custom, client-rendered interfaces for Universal Login screens, allowing you to control every pixel of your Universal Login experience. This release allows you to building custom versions of the following screens:

  • MFA WebAuthn Change Key Nickname
  • MFA WebAuthn Enrollment Success
  • MFA WebAuthn Error
  • MFA WebAuthn Platform Challenge
  • MFA WebAuthn Platform Enrollment
  • MFA WebAuthn Roaming Challenge
  • MFA WebAuthn Roaming Enrollment
  • Reset Password MFA WebAuthn Platform Challenge
  • Reset Password MFA WebAuthn Roaming Challenge
  • Logout
  • Logout Aborted
  • Logout Complete
  • MFA Recovery Code Challenge New Code
  • Email Verification Result
  • Login Email Verification

DX Updates

The latest versions of the ACUL SDK and our CDT tooling all include support for these new screens.

We are well on our way to adding support for everything that Universal Login currently supports out of the box. Checkout our online documentation to learn more about ACUL and stay tuned to the Auth0 Changelog for updates and announcements!

Fetched April 14, 2026