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:
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