- Multiple Custom Domains (MCD) is now Generally Available, letting enterprises configure multiple branded login experiences within a single Auth0 tenant.
- Adds a default domain, passkey enrollment on custom domains, B2B SaaS self‑service SSO customizations, domain metadata in ACUL, and support across Management SDKs, Authentication SDKs, and Forms.
- Enables scalable custom domain setups for consumer apps, multi‑brand businesses, and B2B SaaS use cases.
Multiple Custom Domains General Availability
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Introduces early‑access Custom Rate Limits allowing per‑client or group throttling of Authentication API requests via API‑based self‑service configuration.
Introduces GA Flexible Password Policy replacing legacy settings with a unified `options.password_options` object for granular controls (composition, history, dictionary, profile data).
Custom signup/login fields and consent checkboxes now also apply to Social and Enterprise connections.